MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a3e53c4e425125504f39cc4d912677074a15fc4cfe529d1814262b04b50e60f. 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 2 File information Comments
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SHA256 hash: 3a3e53c4e425125504f39cc4d912677074a15fc4cfe529d1814262b04b50e60f
SHA3-384 hash: 09fe83e25f77f1f301fbad786ce1d7ef021c9b0e76a5f029f403858f350bfa957a1d2af5c0a5cfb9b76981452f97eb0a
SHA1 hash: 7b805a63a8b0286f8cec79b24ad505e7ef1bb0e3
MD5 hash: b67ab478ddcd3d560869e74582314617
humanhash: beryllium-kitten-nineteen-twenty
File name:Specification & Samples-pdf-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:790'016 bytes
First seen:2022-06-08 19:18:07 UTC
Last seen:2022-06-08 19:34:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 24576:fMEqLhc66dY8xOoeDZDfapG0GqI7mj4O:UEccNdY2OVDZDf77mjF
TLSH T125F4E002F5BB8E32F29603B7C4D2545097B69149A297F70F329802D6AD43BDEC993787
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
333
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Specification & Samples-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-06-08 19:21:27 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e9b55780-d371-46d7-ad44-4027623cc8c8

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/277882/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.31341.22610.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker control.exe obfuscated packed replace.exe wacatac
Link:
https://www.filescan.io/uploads/62a0f62c5dc88d35716c7a03/reports/e84c39c9-3603-42c7-b4c7-77faf6fd778b/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e58386ec-61ef-41d2-bb9e-73295e8c93e3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1009350
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 641846 Sample: Specification & Samples-pdf-.exe Startdate: 08/06/2022 Architecture: WINDOWS Score: 100 19 Multi AV Scanner detection for domain / URL 2->19 21 Malicious sample detected (through community Yara rule) 2->21 23 Antivirus detection for URL or domain 2->23 25 7 other signatures 2->25 6 Specification & Samples-pdf-.exe 3 2->6         started        process3 file4 17 C:\...\Specification & Samples-pdf-.exe.log, ASCII 6->17 dropped 9 vbc.exe 6->9         started        11 vbc.exe 6->11         started        13 vbc.exe 6->13         started        15 2 other processes 6->15 process5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a3e53c4e425125504f39cc4d912677074a15fc4cfe529d1814262b04b50e60f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-08 14:46:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hi7fhrheeujfkbhtttcnsethob2kcx6ez7sstumbijrlas2q4yhq._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:ae25 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220608-x1g45sdecp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
930ad9d2cb793005580bfce82af3f49650d738e691a6a9aef537d8d3d47516a1
MD5 hash:
d1c4c7f310fb64891a1cdfedd62eeed1
SHA1 hash:
9b89d545bb9b25dd43fba3eb0b695ce186c29271
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b3046e71-a22d-48f1-b8dd-8a3519343857/
Parent samples :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 hash:
7ad98aaf8f2b38497aa47add592d3fdfaaaaeccb4853b014aa1f4c7d9f75e4c2
MD5 hash:
00908ce1659d78fc410cb17cfdcb587e
SHA1 hash:
a077e085ed291db5ce20a56c490f12486be65660
Link:
https://www.unpac.me/results/b3046e71-a22d-48f1-b8dd-8a3519343857/
SH256 hash:
b001e2ff5b169859d10a9cb4a71982b450370df8d4b57fb06caca97e9fb97e44
MD5 hash:
1789fb69765214b42c05de6731b565fe
SHA1 hash:
22e333025840f803296602740ac63c2370298c09
Link:
https://www.unpac.me/results/b3046e71-a22d-48f1-b8dd-8a3519343857/
SH256 hash:
06712ae095595ceac05adfc286990d3276f8ce95bb4a32433cf3f860e80997a7
MD5 hash:
a636683a3478dabe841b6357dc503602
SHA1 hash:
16622c7a7f952f9f11d2bc6dd9c24df6ff1d2ff6
Link:
https://www.unpac.me/results/b3046e71-a22d-48f1-b8dd-8a3519343857/
SH256 hash:
3a3e53c4e425125504f39cc4d912677074a15fc4cfe529d1814262b04b50e60f
MD5 hash:
b67ab478ddcd3d560869e74582314617
SHA1 hash:
7b805a63a8b0286f8cec79b24ad505e7ef1bb0e3
Link:
https://www.unpac.me/results/b3046e71-a22d-48f1-b8dd-8a3519343857/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a3e53c4e425/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3a3e53c4e425125504f39cc4d912677074a15fc4cfe529d1814262b04b50e60f

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
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Rule name:Skystars_Malware_Imphash
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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 3a3e53c4e425125504f39cc4d912677074a15fc4cfe529d1814262b04b50e60f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/277882/

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