MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c69ba81d86b33409613256d31d939a558e687f179df291009f953bfb3a8bed0. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
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SHA256 hash: 8c69ba81d86b33409613256d31d939a558e687f179df291009f953bfb3a8bed0
SHA3-384 hash: b0315e16bed3247b56d2605c03218fc0ca22857bbeaf119a67591adf8583f623d6fff871a2573b1bfd2df1602d5e5fe2
SHA1 hash: 0495a26dd76e4c0ec564f6ccb2d62881a87e7672
MD5 hash: 683d9fff2c8aa13a1bc18ec757c69ea8
humanhash: california-river-grey-jersey
File name:Gfm Products and company profile.exe
Download: download sample
Signature Formbook
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File size:947'200 bytes
First seen:2022-09-14 16:22:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:s4E8Tv1ZLjHMAshJXDzYuVa/jwkhphCaIKQmYGd5SEympYardZCgv:Hv1FMjXIuVw/hphClp474gv
TLSH T1BB151B0B21D409A5C87251F864CCC57347AA9E45E63BC949BFCA9CEFF192F6C42D22E1
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/310057/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42577.UNOFFICIAL
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Win.Dropper.Nanocore-9968000-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6322003a35180ec88e2af26c/reports/54585775-3c3d-45f6-b39d-259ebce404cf/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ef842e8-f993-4cae-ade7-fe4764a24978
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1070500
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in 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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 703046 Sample: Gfm Products and company pr... Startdate: 14/09/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 7 other signatures 2->40 10 Gfm Products and company profile.exe 3 2->10         started        process3 file4 28 Gfm Products and company profile.exe.log, ASCII 10->28 dropped 50 Injects a PE file into a foreign processes 10->50 14 Gfm Products and company profile.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.theinterviewworkout.biz 17->30 32 theinterviewworkout.biz 34.102.136.180, 49779, 80 GOOGLEUS United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 msdt.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/8c69ba81d86b33409613256d31d939a558e687f179df291009f953bfb3a8bed0/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-09-06 06:53:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rru3vaoynmzubfqtevwtdwjzuvmonb7rphpsseaj7fj37m5ix3ia._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:cy30 rat spyware stealer trojan
Link:
https://tria.ge/reports/220914-tvsf5sagf6/
Behaviour
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4a136025-01b4-4782-a5c7-2c92271a88ca
Unpacked files
SH256 hash:
2721c39b3178ebb4006d3348144df27b129b154952e6f898b67663010cb657cd
MD5 hash:
c7e815d895697c37ade8801ac1004e6f
SHA1 hash:
cb5618347bcb7e97516d9ede6ae60b31a03e8b18
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6bc810ed-94ff-4a5d-a0b0-e32e30a61bad/
Parent samples :
0edf2a0a4fe852db8050d58c5698b71b14a8346022eccc5180f5acd0378a9966
deebb19c47bfcc1f3e7334b92a586709da0a64275b787937a9b84b922a42f377
c0ad9b22b58868be0a5b4698f5f04775f8522cdb9b9166031244052de828b651
8c69ba81d86b33409613256d31d939a558e687f179df291009f953bfb3a8bed0
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/6bc810ed-94ff-4a5d-a0b0-e32e30a61bad/
SH256 hash:
075fba441bd77012956452f552267d9b2cad62bd1f9ab64f6ca5c9e868e3facb
MD5 hash:
836adaccfd6c6d1ec1d5014b13cc7c62
SHA1 hash:
6f5acab56bddd9278ac0383e928c94f59adfcf9f
Link:
https://www.unpac.me/results/6bc810ed-94ff-4a5d-a0b0-e32e30a61bad/
SH256 hash:
fd231a5d37b6dbaf3f8e1b29a1e5bbf3e6a223cf94494a3c066edc505332175d
MD5 hash:
1b42be341e822e931bb0950923f9604c
SHA1 hash:
334d85b2f101aa3955f1dba07da70c11795c789e
Link:
https://www.unpac.me/results/6bc810ed-94ff-4a5d-a0b0-e32e30a61bad/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/6bc810ed-94ff-4a5d-a0b0-e32e30a61bad/
SH256 hash:
8c69ba81d86b33409613256d31d939a558e687f179df291009f953bfb3a8bed0
MD5 hash:
683d9fff2c8aa13a1bc18ec757c69ea8
SHA1 hash:
0495a26dd76e4c0ec564f6ccb2d62881a87e7672
Link:
https://www.unpac.me/results/6bc810ed-94ff-4a5d-a0b0-e32e30a61bad/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8c69ba81d86b33409613256d31d939a558e687f179df291009f953bfb3a8bed0

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:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
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Rule name:RansomwareTest3
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Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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.

Malspam

Formbook

Executable exe 8c69ba81d86b33409613256d31d939a558e687f179df291009f953bfb3a8bed0

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/310057/

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