MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49db0f5a8084b3bd660a46be3b33f497772c57cbaad095df927b7d07b73c8ffe. 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 21 File information Comments

SHA256 hash: 49db0f5a8084b3bd660a46be3b33f497772c57cbaad095df927b7d07b73c8ffe
SHA3-384 hash: 67b041b85bc6894a4a88adb90e88ca831cf84c1369c26575945ccd382c34d3f55b7b82aad8ae198c2c8b2ffb2f70b404
SHA1 hash: 2aa361a677cbc9adb21ce131fb7bd5b4684d158e
MD5 hash: 507068aa07571b73ac4bad854d8774c3
humanhash: sodium-zulu-winter-jersey
File name:payment confirmation.zip
Download: download sample
Signature Formbook
File size:616'481 bytes
First seen:2025-02-03 08:14:44 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:a6yeJOrlZ0JWthYD9U5QpPiPWqSahXXnpUpQQhKlP9PBbob4rRohBqGrDA:T40ULIiPhSaEpQQKlP9PBk4ruhBq0DA
TLSH T102D423B00975DC00741506F33599B979EBE83C8919CACF1EEA9AD483186AC45E6FFE0D
Magika zip
Reporter cocaman
Tags:FormBook payment zip


Avatar
cocaman
Malicious email (T1566.001)
From: "sale@zshuayu.com" (likely spoofed)
Received: "from [195.211.191.70] (unknown [195.211.191.70]) "
Date: "2 Feb 2025 20:59:54 -0800"
Subject: "Payment confirmation"
Attachment: "payment confirmation.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
431
Origin country :
CH CH
File Archive Information

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

File name:payment confirmation.exe
File size:696'320 bytes
SHA256 hash: 637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4
MD5 hash: 670ec4d161f3b49adb0b58058bed084b
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
virus micro msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade 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:
2025-02-03 05:19:23 UTC
File Type:
Binary (Archive)
Extracted files:
7
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a01d discovery execution rat spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
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: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: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:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Latam_MSI_and_ZIP_Files
Author:eremit4, P4nd3m1cb0y
Description:Detects suspicious .msi and .zip files used in Latam banking trojan campaigns.
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

zip 49db0f5a8084b3bd660a46be3b33f497772c57cbaad095df927b7d07b73c8ffe

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments