MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a6fc3d54528af98d4e971543db7f11f891d08269e288ad6822959c0a47665609. 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: 12
| SHA256 hash: | a6fc3d54528af98d4e971543db7f11f891d08269e288ad6822959c0a47665609 |
|---|---|
| SHA3-384 hash: | 344f8e7d4f75a0a5b04a776005f21d8e9153a962dd68c5601ee77559d1414002e0706f84bfd54419c1a8988f3817862e |
| SHA1 hash: | f8c231644d814b1bb2121c6b7b739733aef39ee8 |
| MD5 hash: | 1fd18d12f95ae72da27cab03c5136f86 |
| humanhash: | november-seven-angel-hotel |
| File name: | 1fd18d12f95ae72da27cab03c5136f86 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 782'336 bytes |
| First seen: | 2022-02-17 18:23:10 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:OREvzrqqy5VkoZEdko7/D7dhvOh/8jpnoMVgNKvcym6jNyWGLVLdvt/M19C9e3j6:OKWE2i/HX2CaMua9m0NkvtUvCY3jJ9 |
| Threatray | 10'939 similar samples on MalwareBazaar |
| TLSH | T191F4AE5671EF1096C3A2EBF20BD8FCBF869AF173160F753A31812B568761A409E42771 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
black obfuscated packed
Result
Verdict:
UNKNOWN
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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-17 18:24:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 10'929 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:p0t9 rat spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7b80a2c7265217bd995bf1f2e744faf4e53e35e833868d0d3bdbd341db35af50
MD5 hash:
1bda096df8757e97a494899ff6db8efb
SHA1 hash:
15c27390a93051dd890757b6e1834c8939b8ed31
SH256 hash:
d4ebd78abf3f30b8908a9a74c27ac3eb2d07c383e8f8ed4c75c08d03d2e8a7a8
MD5 hash:
104d4f0af6a4cbd542d57c2fa4616480
SHA1 hash:
907b5929dcf66a625a0ae6df9d24f344844483ff
SH256 hash:
144979dd08219ed780378ba92edb775d1729eb00430d553ce87b62a0cb549922
MD5 hash:
973c0be61ca5aab285ad191eab22999d
SHA1 hash:
c5c6422887e64a9ac0386e87cf8ba3f9d8b95599
SH256 hash:
7e98822f8518f0e996b7cf3acf26a5097b1d1bca30598a4ad51243e4815cd336
MD5 hash:
e935ef8d61fa963b6ed778497524d884
SHA1 hash:
935ed07dead04deecf89661c3ea1a573468e007b
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
a6fc3d54528af98d4e971543db7f11f891d08269e288ad6822959c0a47665609
MD5 hash:
1fd18d12f95ae72da27cab03c5136f86
SHA1 hash:
f8c231644d814b1bb2121c6b7b739733aef39ee8
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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: | 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.
Web download
Delivery method
Distributed via web download
Comments
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