MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5051fb6e35a32742bd84a73d2dfcb41b7460a75b14df025b6fd9003cfd2f4dd5. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 5051fb6e35a32742bd84a73d2dfcb41b7460a75b14df025b6fd9003cfd2f4dd5
SHA3-384 hash: 27331d79df0c0a0b2527f588fe95bcc72452e9b28149d60ed83eaa0128c4d0178c95c9386945f137b9642bc17021c662
SHA1 hash: 4fb7a5c54d1ab98ccb7f53800aaa9903b73ab28f
MD5 hash: 121ecfa02c21b1f6b897a815f3e6ba9c
humanhash: island-texas-lion-saturn
File name:5051fb6e35a32742bd84a73d2dfcb41b7460a75b14df025b6fd9003cfd2f4dd5
Download: download sample
Signature Formbook
File size:795'136 bytes
First seen:2022-11-09 10:50:23 UTC
Last seen:2022-11-09 12:55:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:zoJVurpxDFA2hYhBQmsdtLN9zrtEbjbzGSDSiMJVyVA4Y1OR3Pf2Kxj6+G/s8x+J:1zorszNXmnMei1c/P4+G/s8xQLnEyL
Threatray 17'255 similar samples on MalwareBazaar
TLSH T172058B74275F4F0BD0DACE34B4B0D2F41A624DBBBD6E8A86C6D46CF378161B46A1D086
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
191
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5051fb6e35a32742bd84a73d2dfcb41b7460a75b14df025b6fd9003cfd2f4dd5
Verdict:
Malicious activity
Analysis date:
2022-11-09 13:18:43 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 741855 Sample: DhdIVG9n9X.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for URL or domain 2->70 72 9 other signatures 2->72 10 DhdIVG9n9X.exe 7 2->10         started        14 sRLVFBjRQqBYe.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\...\sRLVFBjRQqBYe.exe, PE32 10->46 dropped 48 C:\...\sRLVFBjRQqBYe.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmpBBAA.tmp, XML 10->50 dropped 52 C:\Users\user\AppData\...\DhdIVG9n9X.exe.log, ASCII 10->52 dropped 80 Uses schtasks.exe or at.exe to add and modify task schedules 10->80 82 Adds a directory exclusion to Windows Defender 10->82 84 Tries to detect virtualization through RDTSC time measurements 10->84 16 DhdIVG9n9X.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        86 Multi AV Scanner detection for dropped file 14->86 88 Machine Learning detection for dropped file 14->88 90 Injects a PE file into a foreign processes 14->90 23 sRLVFBjRQqBYe.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 16->58 60 Maps a DLL or memory area into another process 16->60 62 Sample uses process hollowing technique 16->62 64 Queues an APC in another process (thread injection) 16->64 27 explorer.exe 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 54 www.vivencie.shop 27->54 56 vivencie.shop 34.102.136.180, 49697, 80 GOOGLEUS United States 27->56 92 System process connects to network (likely due to code injection or exploit) 27->92 37 colorcpl.exe 27->37         started        40 WWAHost.exe 27->40         started        signatures10 process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 37->74 76 Maps a DLL or memory area into another process 37->76 78 Tries to detect virtualization through RDTSC time measurements 37->78 42 cmd.exe 1 37->42         started        process13 process14 44 conhost.exe 42->44         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-29 14:18:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oi05 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
b13398f344cf3dd0b6fe84d88c660632fb920b5372ae3c6589ee066943701ce2
MD5 hash:
4545769ce5c787ac0bbe1d83ac5f41ac
SHA1 hash:
9bbdb83fcc1e3a6b87155001a7ab2188a9518111
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
e12b6b1652b350b80cd8358eeb50a2d36a3789c4494859bd55501d598cab86de
MD5 hash:
711243d4729a251649c822cb63dc2852
SHA1 hash:
b48c88ce78588ba9685d20cc751a64776106beff
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
SH256 hash:
3ba16a92b2b40d38c6e5e30f882a4c60b3838611868d990b7d986eb4018c17cb
MD5 hash:
16d6f358cc62b12dc869da8a59b03eda
SHA1 hash:
5eaf3662fbd4193086df2ba7233e9652542be8a3
SH256 hash:
246a13b28b332c948a55a4c067af6953469da418e9dda49a09d6044d9d622a33
MD5 hash:
f4c38cadf1ac6ff255ed3b9f609c794e
SHA1 hash:
480f5c364cc03d98ca4276a10094c6d445c45f6e
SH256 hash:
5051fb6e35a32742bd84a73d2dfcb41b7460a75b14df025b6fd9003cfd2f4dd5
MD5 hash:
121ecfa02c21b1f6b897a815f3e6ba9c
SHA1 hash:
4fb7a5c54d1ab98ccb7f53800aaa9903b73ab28f
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:meth_get_eip
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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