MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5a72931bf9ae50af5468152e0fea3af59e7f0e0beb39e397c9aac6f5fce62f6. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5a72931bf9ae50af5468152e0fea3af59e7f0e0beb39e397c9aac6f5fce62f6
SHA3-384 hash: 68bfd930421560df7bc6d583138cdd7d21715b26d6f2436296fd469a49d3f869ed981c2517d830d3005b8704b2278231
SHA1 hash: 9a36a4b9f11388a7f488cd8f6e4f2194a2f095c7
MD5 hash: 7888cb625a4bf4306955cda6a54ca705
humanhash: saturn-king-alpha-cardinal
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'043'968 bytes
First seen:2023-10-16 09:08:29 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:TyNwm74hUsqkM9YP5BcP9oX2+mEFp6kqLHJdAtoH6NI:mNEUsk9YP5ylom+NF0a
TLSH T1BD252342EEDD1032DEF553B099FE12430F357E919A3C571717E6A50F09B22C4AA363AA
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 andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://77.91.68.249/navi/kur90.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
331
Origin country :
US US
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-16 09:10:41 UTC
Tags:
stealc stealer loader smoke redline
Link:
https://app.any.run/tasks/6efd1645-fb6d-4525-9064-6f8d8d9a54a9

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/454798/
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 service
Creating a file
Launching a process
Сreating synchronization primitives
Running batch commands
Creating a window
Searching for synchronization primitives
Searching for the browser window
DNS request
Sending a custom TCP request
Blocking the Windows Defender launch
Disabling the operating system update service
Forced shutdown of a system process
Sending a TCP request to an infection source
Unauthorized injection to a system process
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/652cfdaf5da218a42f510b30/reports/9bfdd98b-64a8-4886-a625-a40ba5525cbc/overview
Verdict:
Malicious
Labled as:
TR/Dropper.MSIL
Link:
https://www.hybrid-analysis.com/sample/b5a72931bf9ae50af5468152e0fea3af59e7f0e0beb39e397c9aac6f5fce62f6
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:
RedLine Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/228ecaf7-ba66-48e4-918e-1d44b0ac127e
Result
Threat name:
Amadey, Babadeda, RedLine, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1326349
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
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)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys stealer DLL
Yara detected Babadeda
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1326349 Sample: file.exe Startdate: 16/10/2023 Architecture: WINDOWS Score: 100 126 www3.l.google.com 2->126 128 www.google.com 2->128 130 9 other IPs or domains 2->130 182 Snort IDS alert for network traffic 2->182 184 Found malware configuration 2->184 186 Malicious sample detected (through community Yara rule) 2->186 188 18 other signatures 2->188 15 file.exe 1 4 2->15         started        18 rundll32.exe 2->18         started        20 rundll32.exe 2->20         started        22 ihhdiud 2->22         started        signatures3 process4 file5 122 C:\Users\user\AppData\Local\...\rD9kB70.exe, PE32 15->122 dropped 124 C:\Users\user\AppData\Local\...\5yu3PE7.exe, PE32 15->124 dropped 24 rD9kB70.exe 1 4 15->24         started        28 chrome.exe 15->28         started        31 conhost.exe 15->31         started        33 chrome.exe 15->33         started        process6 dnsIp7 98 C:\Users\user\AppData\Local\...\Al2Ji02.exe, PE32 24->98 dropped 100 C:\Users\user\AppData\Local\...\4OV846mC.exe, PE32 24->100 dropped 206 Antivirus detection for dropped file 24->206 208 Multi AV Scanner detection for dropped file 24->208 210 Machine Learning detection for dropped file 24->210 35 Al2Ji02.exe 1 4 24->35         started        39 4OV846mC.exe 24->39         started        140 192.168.2.7, 19071, 37515, 37637 unknown unknown 28->140 142 239.255.255.250 unknown Reserved 28->142 file8 signatures9 process10 file11 94 C:\Users\user\AppData\Local\...94Q4HA26.exe, PE32 35->94 dropped 96 C:\Users\user\AppData\Local\...\3Lw04HM.exe, PE32 35->96 dropped 194 Antivirus detection for dropped file 35->194 196 Multi AV Scanner detection for dropped file 35->196 198 Machine Learning detection for dropped file 35->198 41 3Lw04HM.exe 35->41         started        44 NQ4HA26.exe 1 4 35->44         started        200 Writes to foreign memory regions 39->200 202 Allocates memory in foreign processes 39->202 204 Injects a PE file into a foreign processes 39->204 47 AppLaunch.exe 3 39->47         started        signatures12 process13 dnsIp14 212 Multi AV Scanner detection for dropped file 41->212 214 Writes to foreign memory regions 41->214 216 Allocates memory in foreign processes 41->216 218 Injects a PE file into a foreign processes 41->218 50 AppLaunch.exe 41->50         started        114 C:\Users\user\AppData\Local\...\2bj5365.exe, PE32 44->114 dropped 116 C:\Users\user\AppData\Local\...\1EN61kI1.exe, PE32 44->116 dropped 220 Antivirus detection for dropped file 44->220 222 Machine Learning detection for dropped file 44->222 53 2bj5365.exe 44->53         started        55 1EN61kI1.exe 9 1 44->55         started        144 77.91.124.55, 19071, 49706, 49707 ECOTEL-ASRU Russian Federation 47->144 224 Found many strings related to Crypto-Wallets (likely being stolen) 47->224 226 Tries to harvest and steal browser information (history, passwords, etc) 47->226 file15 signatures16 process17 signatures18 158 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 50->158 160 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 50->160 162 Maps a DLL or memory area into another process 50->162 176 2 other signatures 50->176 57 explorer.exe 50->57 injected 164 Machine Learning detection for dropped file 53->164 166 Contains functionality to inject code into remote processes 53->166 168 Writes to foreign memory regions 53->168 178 2 other signatures 53->178 62 AppLaunch.exe 12 53->62         started        170 Antivirus detection for dropped file 55->170 172 Found many strings related to Crypto-Wallets (likely being stolen) 55->172 174 Modifies windows update settings 55->174 180 2 other signatures 55->180 process19 dnsIp20 132 5.42.65.80, 49799, 49820, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 57->132 134 77.91.68.29, 49709, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 57->134 138 3 other IPs or domains 57->138 106 C:\Users\user\AppData\Local\Temp\F24D.exe, PE32 57->106 dropped 108 C:\Users\user\AppData\Local\Temp106.exe, PE32 57->108 dropped 110 C:\Users\user\AppData\Local\Temp\DB19.exe, PE32 57->110 dropped 112 8 other files (7 malicious) 57->112 dropped 234 System process connects to network (likely due to code injection or exploit) 57->234 236 Benign windows process drops PE files 57->236 238 Hides that the sample has been downloaded from the Internet (zone.identifier) 57->238 64 ADB9.exe 57->64         started        68 B27D.exe 57->68         started        70 cmd.exe 57->70         started        136 5.42.92.88, 49705, 49714, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 62->136 240 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 62->240 242 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 62->242 file21 signatures22 process23 file24 86 C:\Users\user\AppData\Local\...\CK5Zd6dO.exe, PE32 64->86 dropped 88 C:\Users\user\AppData\Local\...\6aL10Fh.exe, PE32 64->88 dropped 146 Antivirus detection for dropped file 64->146 148 Multi AV Scanner detection for dropped file 64->148 150 Machine Learning detection for dropped file 64->150 72 CK5Zd6dO.exe 64->72         started        152 Writes to foreign memory regions 68->152 154 Allocates memory in foreign processes 68->154 156 Injects a PE file into a foreign processes 68->156 76 AppLaunch.exe 68->76         started        signatures25 process26 file27 102 C:\Users\user\AppData\Local\...\UA3fJ1NO.exe, PE32 72->102 dropped 104 C:\Users\user\AppData\Local\...\5RX07fp.exe, PE32 72->104 dropped 228 Antivirus detection for dropped file 72->228 230 Multi AV Scanner detection for dropped file 72->230 232 Machine Learning detection for dropped file 72->232 78 UA3fJ1NO.exe 72->78         started        signatures28 process29 file30 118 C:\Users\user\AppData\Local\...\TO5Lp2pd.exe, PE32 78->118 dropped 120 C:\Users\user\AppData\Local\...\4ZM858XN.exe, PE32 78->120 dropped 244 Antivirus detection for dropped file 78->244 246 Machine Learning detection for dropped file 78->246 82 TO5Lp2pd.exe 78->82         started        signatures31 process32 file33 90 C:\Users\user\AppData\Local\...b6mz3RS.exe, PE32 82->90 dropped 92 C:\Users\user\AppData\Local\...\3LK4Sc76.exe, PE32 82->92 dropped 190 Antivirus detection for dropped file 82->190 192 Machine Learning detection for dropped file 82->192 signatures34
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b5a72931bf9ae50af5468152e0fea3af59e7f0e0beb39e397c9aac6f5fce62f6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5a72931bf9ae50af5468152e0fea3af59e7f0e0beb39e397c9aac6f5fce62f6/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-16 09:09:06 UTC
File Type:
PE (Exe)
Extracted files:
151
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwtssmn7tlsqv5kgqfjob7vdv5m6p4hax2zz4ol4tkwg6x6oml3a._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:dcrat family:redline family:sectoprat family:smokeloader botnet:@ytlogsbot botnet:breha botnet:kukish botnet:pixelscloud2.0 backdoor brand:google discovery evasion infostealer persistence phishing rat spyware stealer trojan
Link:
https://tria.ge/reports/231016-k4fz2ada8v/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Checks SCSI registry key(s)
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
.NET Reactor proctector
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Windows security modification
Downloads MZ/PE file
Amadey
DcRat
Detected google phishing page
Modifies Windows Defender Real-time Protection settings
RedLine
RedLine payload
SectopRAT
SectopRAT payload
SmokeLoader
Malware Config
C2 Extraction:
77.91.124.55:19071
http://77.91.68.29/fks/
85.209.176.128:80
http://77.91.124.1/theme/index.php
185.216.70.238:37515
Unpacked files
SH256 hash:
5c59db3277aefb761d4b814aaf5f5acd1fd1a0ea154dc565c78b082a3df4566e
MD5 hash:
53e28e07671d832a65fbfe3aa38b6678
SHA1 hash:
6f9ea0ed8109030511c2c09c848f66bd0d16d1e1
Link:
https://www.unpac.me/results/e77ef038-f8a8-484a-bff4-2613ccc92c0e/
SH256 hash:
8626e4d70c40ca7c21bd00f88433ebb3ac18f28f19c1dabfa95ccf0fdc81e11b
MD5 hash:
82a821b19e683abb373d2bf019d710cc
SHA1 hash:
0364df58d2a87b6008ec53f4ec2e3450ffdcbd91
Link:
https://www.unpac.me/results/e77ef038-f8a8-484a-bff4-2613ccc92c0e/
SH256 hash:
90f765cbe5959bbbea898c7739ebb92b938030861302273e92f9d1d9422dcfa1
MD5 hash:
31f5a16570945ad71b705e029bf70523
SHA1 hash:
028c5f2f8de305a682baac7a15acc0ea3e47af3f
Link:
https://www.unpac.me/results/e77ef038-f8a8-484a-bff4-2613ccc92c0e/
SH256 hash:
d8afffdad6de607872739974dfd124daf70cbdb2c1a125b02be2dbb04bd55f59
MD5 hash:
1988215cab0c892f148cfa39313e8aff
SHA1 hash:
43a3919a1d0a11a266b764f27213a4c5f54d889d
Link:
https://www.unpac.me/results/e77ef038-f8a8-484a-bff4-2613ccc92c0e/
SH256 hash:
6d7f62ca6e91a9d1c9bc70564379c3a3ed3b2f37eea89b9a60b5fbe6de7b01b4
MD5 hash:
7ed4886c5a6e52bdca6db1f76f854ca2
SHA1 hash:
62555fe2fa865e9edae5b1e8611613e9d0a8d6c9
Link:
https://www.unpac.me/results/e77ef038-f8a8-484a-bff4-2613ccc92c0e/
SH256 hash:
81cba65f7430ec2dcac519ed461bbf2ebfa1741522e61d8274e1eb6b79260dfb
MD5 hash:
5bfe47d7223c39fba3d6a027901cbc3c
SHA1 hash:
71fd340f2d444a0c2f011e44eb5037179600e795
Link:
https://www.unpac.me/results/e77ef038-f8a8-484a-bff4-2613ccc92c0e/
SH256 hash:
b5a72931bf9ae50af5468152e0fea3af59e7f0e0beb39e397c9aac6f5fce62f6
MD5 hash:
7888cb625a4bf4306955cda6a54ca705
SHA1 hash:
9a36a4b9f11388a7f488cd8f6e4f2194a2f095c7
Link:
https://www.unpac.me/results/e77ef038-f8a8-484a-bff4-2613ccc92c0e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Redline
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b5a72931bf9ae50af5468152e0fea3af59e7f0e0beb39e397c9aac6f5fce62f6

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

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/454798/
  
URLhaus
https://urlhaus.abuse.ch/url/2715539/

Comments