MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 878780dd4a45cd2ac3266e865c987933f7f6539fe93f6bc6b314188b2e5d2a45. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 878780dd4a45cd2ac3266e865c987933f7f6539fe93f6bc6b314188b2e5d2a45
SHA3-384 hash: ff8594fc3727eaa0c5accdae2b115416f3ded15b2db0eb2563c7495d046e74601e1f6e5b2530f35b0686e1a7dad370d8
SHA1 hash: f20cecc9f753659ca7d1ce627fd4813d81e4adad
MD5 hash: c88a43469800fcd034790256cf9440c8
humanhash: quebec-march-queen-cola
File name:do202120102_010010101001010.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:904'192 bytes
First seen:2021-02-21 18:13:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:5Uh+0Kj+IntnTdP2vSUppgBiS8tuIytpBKyQPZNqHmkkkkk:5g+0l8tn9KpMiS8tuRpBiP
Threatray 3'795 similar samples on MalwareBazaar
TLSH 5615492123E8AB0CF07A773854B4090D57FAB846EB36DA9E7C54508F1DA2B81DB1B717
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: slybilgisayar.com
Sending IP: 213.142.132.183
From: Syed Imran Ali <depcoshj@emirates.net.ae>
Subject: New Inquiry
Attachment: do202120102_010010101001010.pdf.r00 (contains "do202120102_010010101001010.pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118159/
Detection(s):
SecuriteInfo.com.Win32.9093.28918.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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/613494
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/878780dd4a45cd2ac3266e865c987933f7f6539fe93f6bc6b314188b2e5d2a45/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-21 18:14:09 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6dybxkkixgsvqzgn2dfzgdzgp37mu475e7wxrvtcqmiwls5fjcq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0db69eb6654d1090cb17ab58537a7304e2c269613c0edabf123cf230d289db73
Formbook
0fbe3e570e7074462b9c44528e6a1a3e9a4d02775acf4e9877f4f3ac87cdbd2e
Formbook
1107284bdeebfe9255dcc17fcf19787a299307bf34e733f149430d334ddeda6a
Formbook
5915848dc0c0e2e649fdc29ed1d3270ec15b78493e9ca9debf5e85a090e533b6
Formbook
5d617282230f991221360f213e15b0e62d0c462afc3d32299c9b410658fbb106
Formbook
6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728
Formbook
73c58bd017026340507d10cc2b3237c6c32835dc69571e81df1a5905981b3d63
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
e68f17cfe87742103150ca9abd6cc16581caa6e0e0243d03fae2c89c2609c974
Formbook
f09416ef7aaab2c43c62ef77bb69c005ec4a57d4051586f5e7d8571e74fee41c
Formbook
+ 3'785 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210221-pspywbcmmj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.coincrush.net/fzd/
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
Link:
https://www.unpac.me/results/52ee10ac-11c3-4bc7-94d0-4b9fafaff99b/
SH256 hash:
878780dd4a45cd2ac3266e865c987933f7f6539fe93f6bc6b314188b2e5d2a45
MD5 hash:
c88a43469800fcd034790256cf9440c8
SHA1 hash:
f20cecc9f753659ca7d1ce627fd4813d81e4adad
Link:
https://www.unpac.me/results/52ee10ac-11c3-4bc7-94d0-4b9fafaff99b/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

Formbook

r00 f40467bb039025f6639a1a2cd3c57a016f91b420327cde4785297bcc7efb7f1f

Formbook

Executable exe 878780dd4a45cd2ac3266e865c987933f7f6539fe93f6bc6b314188b2e5d2a45

(this sample)

  
Dropped by
MD5 98443d87f62d882d5f056968554b3060
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/118159/
  
Dropped by
SHA256 f40467bb039025f6639a1a2cd3c57a016f91b420327cde4785297bcc7efb7f1f

Comments