MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4597a42c8b87ec3a677da6892d641d81649453e7428715f642801c8f29220c13. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 4597a42c8b87ec3a677da6892d641d81649453e7428715f642801c8f29220c13
SHA3-384 hash: 718477fb008fca1da1ae3fcf38f900bd7a267bf4baa563ac849e110ee4134f3a4b2426196765e7f7f5c8a80f6f39c503
SHA1 hash: 420454b89e074d598c0c4fb0bc4cf86cafa5d018
MD5 hash: 3d9577ce4f9fc6fb74194057b43a104c
humanhash: magnesium-timing-illinois-finch
File name:PO 168S.exe
Download: download sample
Signature Formbook
File size:470'528 bytes
First seen:2021-12-21 22:52:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:74LAhe/fPsI4jo4vxha9jORTN8aUEArBhC:74LVkNJMOsrBh
Threatray 12'387 similar samples on MalwareBazaar
TLSH T152A4E069F272E9F8F52D433D35705C220BA5C512A499EBBE5A8A31A7093534310BFCCB
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 168S.exe
Verdict:
Malicious activity
Analysis date:
2021-12-21 22:56:39 UTC
Tags:
trojan formbook stealer

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
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-21 18:42:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a0qs rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
227cfa4d3aee14acee710294946fefb0ec7d22faac9c9804302e5dae3dc6b384
MD5 hash:
901837a9999bfc37da4f8af80c3be4c2
SHA1 hash:
673c03d2cae0a9a7948a4d83eb44a63f502bd933
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
dc1b436e69090c7d3f1bc4bfa91b6281c54d169016a9d1983c7b4a744cb99287
MD5 hash:
d106ba8c11619c1037d14f93a84d5428
SHA1 hash:
bb6a7c87120ff114318f4c7dbca4c3edd9ae5846
SH256 hash:
cc863038dfc58d37276a1f1cb952870d6a2cd81a7ac72d3ed7021e5c5aa1c8f0
MD5 hash:
2c5570f3b591aa1fd57f5ec62ab89b76
SHA1 hash:
7a451b030d1acef0a149e333ba9df225fc5494d1
SH256 hash:
4597a42c8b87ec3a677da6892d641d81649453e7428715f642801c8f29220c13
MD5 hash:
3d9577ce4f9fc6fb74194057b43a104c
SHA1 hash:
420454b89e074d598c0c4fb0bc4cf86cafa5d018
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:pe_imphash
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.

  
Delivery method
Other

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