MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b42c818a346f33a7778116691ce0910250824d60e07df5472e6b9a4da2e04af6. 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


Formbook


Vendor detections: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b42c818a346f33a7778116691ce0910250824d60e07df5472e6b9a4da2e04af6
SHA3-384 hash: 394a9d0948e8850aae2333e13eded12e447ba3b03722fd5fdf3ee5fd5996b4b5305e724e4290e891e97b166dbe652826
SHA1 hash: 3e1ea7690bc7758381ed2c65e4f26d3b6964c561
MD5 hash: c7c202bb096e38bd3f2cde910b9ceb09
humanhash: helium-undress-spaghetti-juliet
File name:c7c202bb096e38bd3f2cde910b9ceb09.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'590'272 bytes
First seen:2023-10-23 07:45:34 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:vyr6YuDJ66ydKR4oAC62EFPV5lmJW1PnAixHahOROPUZqmoZ9BUiXcXIVVVZbNjA:6r6YuQ6SK0hn91PAqIwOI7s8kVVZnL
Threatray 1'901 similar samples on MalwareBazaar
TLSH T156752343E7D8C173EE6253B15AFB12435A6978A64C3442AF2396D94D0CB2788F474B2F
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 FormBook


Avatar
abuse_ch
Formbook C2:
109.107.182.133:19084

Intelligence

File Origin
# of uploads :
1
# of downloads :
305
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
tofsee
Create hunting rule
ID:
1
File name:
https://colegiojuanbernardone.com/wp-admin/user/setup.7z
Verdict:
Malicious activity
Analysis date:
2023-10-23 07:14:37 UTC
Tags:
privateloader evasion opendir loader stealc stealer sinkhole risepro vodkagats tofsee botnet ransomware stop arkei vidar trojan redline smoke amadey miner raccoonclipper teamspy remote g0njxa
Link:
https://app.any.run/tasks/49421f8d-c86b-48b1-a16d-b66cc8745f59

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.28840.BadO.UNOFFICIAL
Create hunting rule

Win.Packed.Stealerc-10009783-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Сreating synchronization primitives
Sending a custom TCP request
Launching a service
Creating a file
Creating a window
Running batch commands
Launching cmd.exe command interpreter
Searching for synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Blocking the Windows Defender launch
Disabling the operating system update service
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
89%
Tags:
advpack anti-vm CAB control explorer installer lolbin packed packed rundll32 setupapi sfx shell32
Link:
https://www.filescan.io/uploads/653624bb4678fc28dfc59813/reports/5870ff70-29ad-438c-817b-0988f8ded19f/overview
Verdict:
Malicious
Labled as:
TR/Dldr.Agent_AGen
Link:
https://www.hybrid-analysis.com/sample/b42c818a346f33a7778116691ce0910250824d60e07df5472e6b9a4da2e04af6
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/b585f128-2467-4dbc-ad3a-e4756b008d1c
Result
Threat name:
Amadey, LummaC Stealer, Mystic Stealer,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1330387
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
Changes security center settings (notifications, updates, antivirus, firewall)
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
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 domain / URL
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)
Query firmware table information (likely to detect VMs)
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 LummaC Stealer
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330387 Sample: hLzdz6FiKJ.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 117 raw.githubusercontent.com 2->117 119 238.14.8.0.in-addr.arpa 2->119 121 17 other IPs or domains 2->121 153 Snort IDS alert for network traffic 2->153 155 Multi AV Scanner detection for domain / URL 2->155 157 Found malware configuration 2->157 159 19 other signatures 2->159 12 hLzdz6FiKJ.exe 1 4 2->12         started        15 svchost.exe 2->15         started        18 svchost.exe 1 2->18         started        20 11 other processes 2->20 signatures3 process4 file5 101 C:\Users\user\AppData\Local\...behaviorgraphN1zF88.exe, PE32 12->101 dropped 103 C:\Users\user\AppData\Local\...\6ig6fS0.exe, PE32 12->103 dropped 22 GN1zF88.exe 1 4 12->22         started        219 Changes security center settings (notifications, updates, antivirus, firewall) 15->219 221 Query firmware table information (likely to detect VMs) 18->221 signatures6 process7 file8 91 C:\Users\user\AppData\Local\...\Kf3Pz77.exe, PE32 22->91 dropped 93 C:\Users\user\AppData\Local\...\5Ma9hP9.exe, PE32 22->93 dropped 161 Antivirus detection for dropped file 22->161 163 Multi AV Scanner detection for dropped file 22->163 165 Machine Learning detection for dropped file 22->165 26 Kf3Pz77.exe 1 4 22->26         started        30 5Ma9hP9.exe 22->30         started        signatures9 process10 file11 95 C:\Users\user\AppData\Local\...\Cz4cI11.exe, PE32 26->95 dropped 97 C:\Users\user\AppData\Local\...\4Wg381Zd.exe, PE32 26->97 dropped 199 Machine Learning detection for dropped file 26->199 32 Cz4cI11.exe 1 4 26->32         started        36 4Wg381Zd.exe 26->36         started        99 C:\Users\user\AppData\Local\...\explothe.exe, PE32 30->99 dropped 201 Antivirus detection for dropped file 30->201 203 Multi AV Scanner detection for dropped file 30->203 38 explothe.exe 30->38         started        signatures12 process13 dnsIp14 83 C:\Users\user\AppData\Local\...\tk0Cn54.exe, PE32 32->83 dropped 85 C:\Users\user\AppData\Local\...\3dq83NX.exe, PE32 32->85 dropped 137 Machine Learning detection for dropped file 32->137 41 3dq83NX.exe 32->41         started        44 tk0Cn54.exe 1 4 32->44         started        139 Writes to foreign memory regions 36->139 141 Allocates memory in foreign processes 36->141 143 Injects a PE file into a foreign processes 36->143 47 AppLaunch.exe 36->47         started        50 AppLaunch.exe 36->50         started        123 77.91.124.1, 49703, 49704, 49706 ECOTEL-ASRU Russian Federation 38->123 125 www.google.com 38->125 87 C:\Users\user\AppData\Roaming\...\clip64.dll, PE32 38->87 dropped 89 C:\Users\user\AppData\Local\...\clip64[1].dll, PE32 38->89 dropped 145 Antivirus detection for dropped file 38->145 147 Multi AV Scanner detection for dropped file 38->147 149 Creates an undocumented autostart registry key 38->149 151 Uses schtasks.exe or at.exe to add and modify task schedules 38->151 52 cmd.exe 38->52         started        54 schtasks.exe 38->54         started        56 rundll32.exe 38->56         started        file15 signatures16 process17 dnsIp18 167 Multi AV Scanner detection for dropped file 41->167 169 Writes to foreign memory regions 41->169 171 Allocates memory in foreign processes 41->171 173 Injects a PE file into a foreign processes 41->173 58 AppLaunch.exe 41->58         started        105 C:\Users\user\AppData\Local\...\2Hp2780.exe, PE32 44->105 dropped 107 C:\Users\user\AppData\Local\...\1vm54Gp7.exe, PE32 44->107 dropped 175 Machine Learning detection for dropped file 44->175 61 1vm54Gp7.exe 44->61         started        63 2Hp2780.exe 12 44->63         started        133 109.107.182.133, 19084, 49705, 49760 TELEPORT-TV-ASRU Russian Federation 47->133 177 Tries to harvest and steal browser information (history, passwords, etc) 47->177 66 conhost.exe 52->66         started        68 cmd.exe 52->68         started        70 cacls.exe 52->70         started        74 4 other processes 52->74 72 conhost.exe 54->72         started        file19 signatures20 process21 dnsIp22 179 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 58->179 181 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 58->181 183 Maps a DLL or memory area into another process 58->183 197 2 other signatures 58->197 76 explorer.exe 59 58->76 injected 185 Contains functionality to inject code into remote processes 61->185 187 Writes to foreign memory regions 61->187 189 Allocates memory in foreign processes 61->189 191 Injects a PE file into a foreign processes 61->191 81 AppLaunch.exe 9 1 61->81         started        135 193.233.255.73, 49702, 49749, 49779 FREE-NET-ASFREEnetEU Russian Federation 63->135 193 Multi AV Scanner detection for dropped file 63->193 195 Machine Learning detection for dropped file 63->195 signatures23 process24 dnsIp25 127 5.42.65.80, 49792, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 76->127 129 77.91.68.249, 49751, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 76->129 131 6 other IPs or domains 76->131 109 C:\Users\user\AppData\Local\Temp9D1.exe, PE32 76->109 dropped 111 C:\Users\user\AppData\Local\Temp\B35F.exe, PE32 76->111 dropped 113 C:\Users\user\AppData\Local\Temp\B050.exe, PE32 76->113 dropped 115 14 other files (13 malicious) 76->115 dropped 205 System process connects to network (likely due to code injection or exploit) 76->205 207 Benign windows process drops PE files 76->207 209 Hides that the sample has been downloaded from the Internet (zone.identifier) 76->209 211 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 81->211 213 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 81->213 215 Modifies windows update settings 81->215 217 2 other signatures 81->217 file26 signatures27
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b42c818a346f33a7778116691ce0910250824d60e07df5472e6b9a4da2e04af6
Detection:
redlinestealer
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b42c818a346f33a7778116691ce0910250824d60e07df5472e6b9a4da2e04af6/
Threat name:
Win32.Trojan.StealerC
Create hunting rule
Status:
Malicious
First seen:
2023-10-23 07:46:05 UTC
File Type:
PE (Exe)
Extracted files:
193
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqwidcrun4z2o54bczurzyerajiietla4b67krzonone3ixajl3a._file
Verdict:
malicious
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52d0ec4cf463ff2be417e77b5f63e1a610baa624bf7e0e0dea0343108ee679b4
Formbook
780c116701bcc7568221d468f9216baf8782d2bb483de3e00a891d15af3caa15
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Formbook
+ 1'891 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:asyncrat family:dcrat family:glupteba family:redline family:smokeloader botnet:5141679758_99 botnet:default botnet:homed botnet:kinder botnet:up3 botnet:yt&team cloud backdoor brand:google discovery dropper evasion infostealer loader persistence phishing rat rootkit spyware stealer trojan upx
Link:
https://tria.ge/reports/231023-jly78agh38/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies system certificate store
Runs net.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
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
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 cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Manipulates WinMon driver.
Manipulates WinMonFS driver.
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Blocklisted process makes network request
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Stops running service(s)
Async RAT payload
Modifies boot configuration data using bcdedit
Amadey
AsyncRat
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/
109.107.182.133:19084
http://77.91.124.1/theme/index.php
https://pastebin.com/raw/8baCJyMF
185.216.70.238:37515
http://host-file-host6.com/
http://host-host-file8.com/
89.23.100.93:4449
Unpacked files
SH256 hash:
160ea596dea538000394fde4ba2d40fd2be5ab50037a77ba3000e927bff84ef1
MD5 hash:
22b50c95b39cbbdb00d5a4cd3d4886bd
SHA1 hash:
db8326c4fad0064ce3020226e8556e7cce8ce04e
Link:
https://www.unpac.me/results/3cb72353-8eb4-449a-8344-cc43c34c366a/
Parent samples :
24b66c0d6f26f5de09b4cb7a2496bf87ad0ed9d45e846870dee70941b565bc3c
d6069cb7acd4675b324603f2adc3e83fa7fa1829e73052a8d62a10f3d99a8200
SH256 hash:
c1888d754cb453234c8276940c7ef0b9219c591b01aaacd89926c4c0afdbafd9
MD5 hash:
16c8ec64ba75d5729ef68a3831139516
SHA1 hash:
1af3d9da9866b85832a46bb68a1efac82d8bd9d8
Link:
https://www.unpac.me/results/3cb72353-8eb4-449a-8344-cc43c34c366a/
SH256 hash:
39ac65678f9cbdb023e624764bf7082c519cd04be3de142ce94ce5d0fbc42058
MD5 hash:
6c99dd3679aed48c34aa13f2a37286d0
SHA1 hash:
d8d3c2079043eb39c25d7ad5825940c2566a667d
Link:
https://www.unpac.me/results/3cb72353-8eb4-449a-8344-cc43c34c366a/
SH256 hash:
1bb7e69ddf3180accdc305b0d30f7b960271b75c0aee2075aa8e1ace893144fc
MD5 hash:
30cb70747fb230051c0d9da6b22a7c60
SHA1 hash:
e6be0a06dae44471835bd62f8d1cf0a9e9076094
Detections:
Amadey
Create hunting rule
win_amadey_auto
Create hunting rule
Link:
https://www.unpac.me/results/3cb72353-8eb4-449a-8344-cc43c34c366a/
Parent samples :
41112fc73b3599ec958d42902a20b99b6875b3aa97969e32d418ce215f29274e
52d0ec4cf463ff2be417e77b5f63e1a610baa624bf7e0e0dea0343108ee679b4
36821e69f9e1eb270bb017ff106493054dbb9729eac971490243724c39dbc813
f076d2ab79a5e3d002b1b4e71ae60b72768e80fb8cc63582b16a1afd0d9ccf80
b42c818a346f33a7778116691ce0910250824d60e07df5472e6b9a4da2e04af6
SH256 hash:
b42c818a346f33a7778116691ce0910250824d60e07df5472e6b9a4da2e04af6
MD5 hash:
c7c202bb096e38bd3f2cde910b9ceb09
SHA1 hash:
3e1ea7690bc7758381ed2c65e4f26d3b6964c561
Link:
https://www.unpac.me/results/3cb72353-8eb4-449a-8344-cc43c34c366a/
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b42c818a346f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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

Formbook

Executable exe b42c818a346f33a7778116691ce0910250824d60e07df5472e6b9a4da2e04af6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2722824/
  
Delivery method
Distributed via web download

Comments