MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6b8d91a133de2818afa7f22e83cac3581b0422ac2a76af49c2331cf8893ca97. 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 30 File information Comments

SHA256 hash: a6b8d91a133de2818afa7f22e83cac3581b0422ac2a76af49c2331cf8893ca97
SHA3-384 hash: eb5eec037acbcf98fdcc8c48d9d6df248a7c25296f840857d9f5eadd8ed0cc65f33d1de20d80acbe8a72f83bad97843e
SHA1 hash: e53ef80e6643f7b1745d4b039bd09dc082058723
MD5 hash: 5e4ea4a756556a7d74e05980c31fe1f4
humanhash: mockingbird-hydrogen-ohio-april
File name:Updated Price List for 2025 Business Year.zip
Download: download sample
Signature Formbook
File size:751'108 bytes
First seen:2025-01-28 09:36:57 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:u1fEvo9lvIw8XHJTCphyez8nh1qQ2w6z5Uqmqjhd4F2xTTf2mvkqKhMt0j9Fewzx:upjB8ZTQytaQr6O3aPx3fBvkq8rnzI38
TLSH T127F433A1CFCD5C967BF10624E8CE48105811AD109DEBDA0BE7BA3A52C53E1E3D7CD626
Magika zip
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Anna Wysocka <AWysocka@borgwarner.com>" (likely spoofed)
Received: "from borgwarner.com (unknown [141.98.10.127]) "
Date: "26 Jan 2025 17:33:14 +0100"
Subject: "Updated Price List for 2025 Business Year"
Attachment: "Updated Price List for 2025 Business Year.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Updated Price List for 2025 Business Year.exe
File size:913'408 bytes
SHA256 hash: 93d75ee7ff41d078613fe66301551570e2102d52ee9505dc09eff74d6a70df8d
MD5 hash: a505444ab0e1d6d28439fcb8f990b2a9
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
remcos virus micro msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
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.
Threat name:
ByteCode-MSIL.Trojan.SuspMsilInArcEmail
Status:
Malicious
First seen:
2025-01-26 16:31:41 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Malspam

Formbook

zip a6b8d91a133de2818afa7f22e83cac3581b0422ac2a76af49c2331cf8893ca97

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments