MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Stealc


Vendor detections: 19


Intelligence 19 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94
SHA3-384 hash: cb47682e389f182cb938b22244ba1bcab03d41a3fa6d9d41b06abd979af3907815e09231a3ffcbae3832e6d94dc4f8b2
SHA1 hash: c015bfa9bd2c65f4d2076823bf742729afc259ee
MD5 hash: be767b3590941b8a61d0e0c82702cf7a
humanhash: autumn-georgia-black-three
File name:be767b3590941b8a61d0e0c82702cf7a.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:1'633'280 bytes
First seen:2023-10-25 21:16:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 24576:jyf1Y/2LH+EXfNfLhhJmdbGiLiiOECsY80BVsO/9kfGdGL0dehsaVTUgP1AExqIz:26/ef9hqdaMgNyfYGRhtoEq4N
TLSH T15F7523229AD89072D8F537F008FB42431736FC766C38876932269C9F1C726E1597AB67
TrID 70.4% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
11.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://matthewsamuel.top/3886d2276f6914c4.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
be767b3590941b8a61d0e0c82702cf7a.exe
Verdict:
Malicious activity
Analysis date:
2023-10-25 21:16:51 UTC
Tags:
stealc stealer amadey botnet trojan redline loader smoke sinkhole opendir
Link:
https://app.any.run/tasks/1a6864a9-4d8d-40b4-8c66-45e56645bb6a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/456386/
Detection(s):
Sanesecurity.Malware.28840.BadO.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Agent.EAOQ.26295.2066.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
Launching a service
Сreating synchronization primitives
Creating a file
Creating a window
Launching cmd.exe command interpreter
Running batch commands
Forced shutdown of a system process
Blocking the Windows Defender launch
Disabling the operating system update service
Unauthorized injection to a system process
Enabling autorun by creating a file
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
advpack anti-vm CAB control explorer installer installer lolbin packed rundll32 setupapi sfx shell32
Link:
https://www.filescan.io/uploads/65398598bc703e36b08d4c38/reports/95014c7a-1fc8-4c9c-9e83-1060ede16f04/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d87ac8a2-82c9-477e-8b9a-3631ce81fb89
Result
Threat name:
Amadey, Babadeda, Mystic Stealer, Raccoo
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1332229
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies windows update settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Performs DNS queries to domains with low reputation
Phishing site detected (based on logo match)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys Clipper DLL
Yara detected Amadeys stealer DLL
Yara detected Babadeda
Yara detected Mystic Stealer
Yara detected Raccoon Stealer v2
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Stealc
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1332229 Sample: LoxaGfh98b.exe Startdate: 25/10/2023 Architecture: WINDOWS Score: 100 162 raw.githubusercontent.com 2->162 164 amx435.xyz 2->164 166 20 other IPs or domains 2->166 222 Snort IDS alert for network traffic 2->222 224 Found malware configuration 2->224 226 Malicious sample detected (through community Yara rule) 2->226 228 26 other signatures 2->228 15 LoxaGfh98b.exe 1 4 2->15         started        18 svchost.exe 2->18         started        21 rundll32.exe 2->21         started        23 explothe.exe 2->23         started        signatures3 process4 dnsIp5 158 C:\Users\user\AppData\Local\...\FC3yG32.exe, PE32 15->158 dropped 160 C:\Users\user\AppData\Local\...\7GC6mY08.exe, PE32 15->160 dropped 25 FC3yG32.exe 1 4 15->25         started        168 127.0.0.1 unknown unknown 18->168 file6 process7 file8 146 C:\Users\user\AppData\Local\...\gn5Ir00.exe, PE32 25->146 dropped 148 C:\Users\user\AppData\Local\...\6Od8MJ3.exe, PE32 25->148 dropped 262 Antivirus detection for dropped file 25->262 264 Multi AV Scanner detection for dropped file 25->264 266 Machine Learning detection for dropped file 25->266 29 gn5Ir00.exe 1 4 25->29         started        signatures9 process10 file11 154 C:\Users\user\AppData\Local\...\rl3oq26.exe, PE32 29->154 dropped 156 C:\Users\user\AppData\Local\...\5kY0MO2.exe, PE32 29->156 dropped 272 Antivirus detection for dropped file 29->272 274 Multi AV Scanner detection for dropped file 29->274 276 Machine Learning detection for dropped file 29->276 33 rl3oq26.exe 1 4 29->33         started        37 5kY0MO2.exe 29->37         started        signatures12 process13 file14 120 C:\Users\user\AppData\Local\...\gi0Zj15.exe, PE32 33->120 dropped 122 C:\Users\user\AppData\Local\...\4zb256uR.exe, PE32 33->122 dropped 212 Antivirus detection for dropped file 33->212 214 Multi AV Scanner detection for dropped file 33->214 216 Machine Learning detection for dropped file 33->216 39 gi0Zj15.exe 1 4 33->39         started        43 4zb256uR.exe 33->43         started        124 C:\Users\user\AppData\Local\...\explothe.exe, PE32 37->124 dropped 45 explothe.exe 37->45         started        signatures15 process16 dnsIp17 138 C:\Users\user\AppData\Local\...\jr2uH26.exe, PE32 39->138 dropped 140 C:\Users\user\AppData\Local\...\3BI32UB.exe, PE32 39->140 dropped 248 Multi AV Scanner detection for dropped file 39->248 48 3BI32UB.exe 39->48         started        51 jr2uH26.exe 1 4 39->51         started        250 Antivirus detection for dropped file 43->250 252 Machine Learning detection for dropped file 43->252 254 Writes to foreign memory regions 43->254 260 2 other signatures 43->260 54 AppLaunch.exe 43->54         started        178 77.91.124.1 ECOTEL-ASRU Russian Federation 45->178 180 i.ytimg.com 45->180 142 C:\Users\user\AppData\Roaming\...\clip64.dll, PE32 45->142 dropped 144 C:\Users\user\AppData\Local\...\clip64[1].dll, PE32 45->144 dropped 256 Creates an undocumented autostart registry key 45->256 258 Uses schtasks.exe or at.exe to add and modify task schedules 45->258 57 cmd.exe 45->57         started        59 schtasks.exe 45->59         started        61 rundll32.exe 45->61         started        file18 signatures19 process20 dnsIp21 188 Multi AV Scanner detection for dropped file 48->188 190 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 48->190 192 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 48->192 196 3 other signatures 48->196 63 explorer.exe 40 30 48->63 injected 134 C:\Users\user\AppData\Local\...\2OO0930.exe, PE32 51->134 dropped 136 C:\Users\user\AppData\Local\...\1Om01MJ1.exe, PE32 51->136 dropped 68 1Om01MJ1.exe 51->68         started        70 2OO0930.exe 51->70         started        174 77.91.124.86 ECOTEL-ASRU Russian Federation 54->174 194 Found many strings related to Crypto-Wallets (likely being stolen) 54->194 72 conhost.exe 57->72         started        74 cmd.exe 57->74         started        76 cacls.exe 57->76         started        80 4 other processes 57->80 78 conhost.exe 59->78         started        file22 signatures23 process24 dnsIp25 182 5.42.65.80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 63->182 184 amx435.xyz 193.31.28.64 QUICKPACKETUS United Kingdom 63->184 186 6 other IPs or domains 63->186 112 C:\Users\user\AppData\Local\TempE1C.exe, PE32 63->112 dropped 114 C:\Users\user\AppData\Local\Temp\D052.exe, PE32 63->114 dropped 116 C:\Users\user\AppData\Local\Temp\BD75.exe, PE32 63->116 dropped 118 10 other malicious files 63->118 dropped 198 System process connects to network (likely due to code injection or exploit) 63->198 200 Benign windows process drops PE files 63->200 82 2168.exe 63->82         started        86 2C49.exe 63->86         started        88 3534.exe 63->88         started        95 5 other processes 63->95 202 Multi AV Scanner detection for dropped file 68->202 204 Contains functionality to inject code into remote processes 68->204 206 Writes to foreign memory regions 68->206 90 AppLaunch.exe 9 1 68->90         started        208 Allocates memory in foreign processes 70->208 210 Injects a PE file into a foreign processes 70->210 92 AppLaunch.exe 12 70->92         started        file26 signatures27 process28 dnsIp29 130 C:\Users\user\AppData\Local\...\jP1tO9rH.exe, PE32 82->130 dropped 132 C:\Users\user\AppData\Local\...\6NK51ue.exe, PE32 82->132 dropped 230 Antivirus detection for dropped file 82->230 232 Machine Learning detection for dropped file 82->232 97 jP1tO9rH.exe 82->97         started        234 Multi AV Scanner detection for dropped file 86->234 236 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 86->236 238 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 86->238 240 Tries to harvest and steal browser information (history, passwords, etc) 86->240 242 Modifies windows update settings 90->242 244 Disable Windows Defender notifications (registry) 90->244 246 Disable Windows Defender real time protection (registry) 90->246 176 193.233.255.73 FREE-NET-ASFREEnetEU Russian Federation 92->176 101 chrome.exe 95->101         started        104 chrome.exe 95->104         started        106 conhost.exe 95->106         started        file30 signatures31 process32 dnsIp33 126 C:\Users\user\AppData\Local\...\dE8Ly2Sj.exe, PE32 97->126 dropped 128 C:\Users\user\AppData\Local\...\5BO16Vx.exe, PE32 97->128 dropped 218 Antivirus detection for dropped file 97->218 220 Machine Learning detection for dropped file 97->220 108 dE8Ly2Sj.exe 97->108         started        170 192.168.2.6 unknown unknown 101->170 172 239.255.255.250 unknown Reserved 101->172 file34 signatures35 process36 file37 150 C:\Users\user\AppData\Local\...behaviorgraphd2Oq8Gf.exe, PE32 108->150 dropped 152 C:\Users\user\AppData\Local\...\4ko113Nk.exe, PE32 108->152 dropped 268 Antivirus detection for dropped file 108->268 270 Machine Learning detection for dropped file 108->270 signatures38
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-25 21:17:06 UTC
File Type:
PE (Exe)
Extracted files:
226
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7nk5r6ebxm6inuzugssq6hztazoavvysr4mfgqlaovkgotznb6ka._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:dcrat family:glupteba family:redline family:smokeloader botnet:grome botnet:kinza botnet:up3 backdoor brand:google collection discovery dropper evasion infostealer loader persistence phishing rat rootkit spyware stealer trojan
Link:
https://tria.ge/reports/231025-z4fftsge4v/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Manipulates WinMon driver.
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Windows security modification
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Stops running service(s)
Modifies boot configuration data using bcdedit
Amadey
DcRat
Detected google phishing page
Glupteba
Glupteba payload
Modifies Windows Defender Real-time Protection settings
RedLine
RedLine payload
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Windows security bypass
Malware Config
C2 Extraction:
http://77.91.68.29/fks/
77.91.124.86:19084
http://77.91.124.1/theme/index.php
http://host-file-host6.com/
http://host-host-file8.com/
Unpacked files
SH256 hash:
160ea596dea538000394fde4ba2d40fd2be5ab50037a77ba3000e927bff84ef1
MD5 hash:
22b50c95b39cbbdb00d5a4cd3d4886bd
SHA1 hash:
db8326c4fad0064ce3020226e8556e7cce8ce04e
Link:
https://www.unpac.me/results/aedfeef5-aea5-4197-a352-80b31edc5b16/
Parent samples :
24b66c0d6f26f5de09b4cb7a2496bf87ad0ed9d45e846870dee70941b565bc3c
d6069cb7acd4675b324603f2adc3e83fa7fa1829e73052a8d62a10f3d99a8200
SH256 hash:
0379f151dea6196b29494710abd857a86f54636d4c662a7a5b89bd29a12c2615
MD5 hash:
990b10666cb4ddd3769a8517f42b06aa
SHA1 hash:
e2871497595c400a90123a78a0406cdc4e802e3c
Link:
https://www.unpac.me/results/aedfeef5-aea5-4197-a352-80b31edc5b16/
SH256 hash:
f6b0528bce345f58801a2de1a84e7414b5f68a01712fa13e2f7f5975ada6dfed
MD5 hash:
3fae55ceec273ee0943a4922c5f19a4e
SHA1 hash:
2b944619d70cc4a281021841524f4b200e13f7ef
Detections:
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/aedfeef5-aea5-4197-a352-80b31edc5b16/
SH256 hash:
d360da58a167d763157145e74d0e912fd27ef5d8c691f6c1ed28cbdf73bc56d7
MD5 hash:
37075fdad81628a58bac2994a50ffedb
SHA1 hash:
96f435df68b1d7a79e89afad59d9b0d5a5d9a4cd
Detections:
Amadey
Create hunting rule
win_amadey_auto
Create hunting rule
Link:
https://www.unpac.me/results/aedfeef5-aea5-4197-a352-80b31edc5b16/
Parent samples :
d0fe92f6f9e21e5b0f1f8458541c180cda9deb266f14b4d73b5c4210b1df9f54
43bee53aef0f275501c7bdfbb78033a1e190e7872419167eb6c909dd42785cb1
0941c20c54da85bf850ce242b601b448aa43d9397f0564f31ba81539c2bd48d9
fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94
SH256 hash:
d039a695d97020ecb66156ceda4567b47fc9f57ffbbd98d8ee6cc251e02ff1bd
MD5 hash:
476b8c6a04a500e5e46ba87c2ec35157
SHA1 hash:
e5660332c318df77547e446cabd650a45de9b2eb
Link:
https://www.unpac.me/results/aedfeef5-aea5-4197-a352-80b31edc5b16/
SH256 hash:
567f91e1f5c76217d5bac44229acedae8f5760e10d8012d51adecb675bd25038
MD5 hash:
86e9bd80af1030382e127838138da5f1
SHA1 hash:
2f98cdc0533fd37dc07640dc7f60703781bf4dd4
Link:
https://www.unpac.me/results/aedfeef5-aea5-4197-a352-80b31edc5b16/
SH256 hash:
fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94
MD5 hash:
be767b3590941b8a61d0e0c82702cf7a
SHA1 hash:
c015bfa9bd2c65f4d2076823bf742729afc259ee
Link:
https://www.unpac.me/results/aedfeef5-aea5-4197-a352-80b31edc5b16/
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fb55d8f881bb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:detect_Redline_Stealer
Create hunting rule
Author:Varp0s
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:mal_healer
Create hunting rule
Author:Nikos 'n0t' Totosis
Description:Payload disabling Windows AV
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

Executable exe fb55d8f881bb3c86d33434a50f1f33065c0ad7128f185341607554674f2d0f94

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2722824/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/456386/

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