MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fb9729078316a776fe49e10ae501467bac7d4df61278ca89fb08e1252ddb147. 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


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fb9729078316a776fe49e10ae501467bac7d4df61278ca89fb08e1252ddb147
SHA3-384 hash: ae5f3bd2c6820c6a04b20b9e90bfbb296540338af5486684032febdaa2f77efa32852d4000912ae72b211c6b3e61596e
SHA1 hash: 6d711f0f85ecaef7c4afdb6427f60c2f3a8818e8
MD5 hash: 0651e15f7af5590309e70879170ae946
humanhash: magnesium-mexico-berlin-skylark
File name:0651e15f7af5590309e70879170ae946.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:692'736 bytes
First seen:2021-02-05 19:53:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:YZln+CrA9wuqnViPVP/MqYwUwUkdvfc3ChSi9PW:YZ0CrnuhPt/WnwUKfVO
Threatray 3'751 similar samples on MalwareBazaar
TLSH 05E4DF043EB8D718DC2C1775CD1ECF6872B079C6A912E1F83FA42FBE15A670186527A6
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
641f4a6ccdc81b2432afeed7959255df.xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-05 08:49:20 UTC
Tags:
encrypted trojan exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/7a8a4a86-290e-4653-a3b3-03627b1ed54f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/115889/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/600792
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 349415 Sample: gRd8HGFpL7.exe Startdate: 05/02/2021 Architecture: WINDOWS Score: 100 33 www.suffocatinglymundanepodcast.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 11 gRd8HGFpL7.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\gRd8HGFpL7.exe.log, ASCII 11->31 dropped 57 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->57 15 vbc.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 2 other signatures 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.crifinmarket.com 46.28.105.4, 49749, 80 WEDOSCZ Czech Republic 18->35 37 www.pxwuo.com 185.107.56.60, 49759, 80 NFORCENL Netherlands 18->37 39 7 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 netsh.exe 18->22         started        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8fb9729078316a776fe49e10ae501467bac7d4df61278ca89fb08e1252ddb147/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-05 12:51:33 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r64xfedygfvho37etyik4uaum65mpvg7metyzke7wchbeuw5wfdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04274b027d3bd09ec0d7b58ff5af64aa06e626668995cb5ef6d7fad939bc6c33
Formbook
04e7f27915298f09a1486331df3f0e5121e4a7856f41290f48200255b8b82df8
Formbook
12898cbec097104c225702c61e311cc6e12d0f4ac55b95a1eb41a812e6941748
Formbook
2f96167c307b2b82ca3ed1b6b6368b607cb075e178aef0ea4ff7bd4c203e7d6b
Formbook
326090842ee6d692e02ae131a2003658939f60e79bceb7bad983cfe16400062f
Formbook
623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0
Formbook
7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf
Formbook
ab2d651176cc27c6b41e7d6bdb060c328d66e68c4fb8df1b2c0a217187b2c15d
Formbook
b9225c079305112fcd1d5be698796eb426a668779daff06b99986266c161ab52
Formbook
dc7d5ba2b99378adec017bb8911f3d2efd3cccf02bd0dc270e3c5ea2f875fc94
Formbook
+ 3'741 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210205-8v7z7awtps/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Uses the VBS compiler for execution
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.thesiromiel.com/kgw/
Unpacked files
SH256 hash:
b087a4c845235d514eb24a87f9af3c3f4171050906450d2d185e056caa4ba0f6
MD5 hash:
63ba6b8c7406b7c5af6526977517a7bf
SHA1 hash:
704e4e782aa010d23342b5bff350024a355c88d4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ab36ed30-84e6-4f3a-91eb-6bc4d8b4e742/
Parent samples :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 hash:
661e0e933ff874e99eb08e01c26d3c23b50968dd62a0542d060856092d318242
MD5 hash:
0cbbb85666c7cfb920c1db87f3b52498
SHA1 hash:
e80869231f5f68dc8f2003184920e72e74ca39c7
Link:
https://www.unpac.me/results/ab36ed30-84e6-4f3a-91eb-6bc4d8b4e742/
SH256 hash:
09cf61232c53fd36e5d7819f07adcc7e5072efdea93bf6629eafe4be6f12a8bd
MD5 hash:
ff750fda7740c923f561e20fd86a52bc
SHA1 hash:
5ce13aa5cab725558a2dda993fd3953030ec485e
Link:
https://www.unpac.me/results/ab36ed30-84e6-4f3a-91eb-6bc4d8b4e742/
SH256 hash:
8fb9729078316a776fe49e10ae501467bac7d4df61278ca89fb08e1252ddb147
MD5 hash:
0651e15f7af5590309e70879170ae946
SHA1 hash:
6d711f0f85ecaef7c4afdb6427f60c2f3a8818e8
Link:
https://www.unpac.me/results/ab36ed30-84e6-4f3a-91eb-6bc4d8b4e742/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8fb9729078316a776fe49e10ae501467bac7d4df61278ca89fb08e1252ddb147

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Web download

Formbook

Executable exe 8fb9729078316a776fe49e10ae501467bac7d4df61278ca89fb08e1252ddb147

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/983053/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/115889/

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