MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2c6bb136c222573780f623053a92f68f768e7a4207912189d9f9dfac5184428. 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: 10


Intelligence 10 IOCs YARA 33 File information Comments

SHA256 hash: d2c6bb136c222573780f623053a92f68f768e7a4207912189d9f9dfac5184428
SHA3-384 hash: fc310dc710a1f6ab7395db39f3a56d8a8066e5821be1f65ef306aefd1fc94ee001ffb72a05aff4c8c4aa03ef8c7ed3f1
SHA1 hash: 68dff050422d48d8f649c5cf4eabaf4134e9306b
MD5 hash: 2aa3e57e636cef8422029fe1896ba2c3
humanhash: one-neptune-mobile-steak
File name:TT Copy.zip
Download: download sample
Signature Formbook
File size:752'118 bytes
First seen:2025-08-29 17:05:09 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:amJAIxvWKG1U4cn5OLxxerilTNSXnfIgwIauoYGSIHoIrKUwQ7mvowI71mJmHZDN:Lx+31NxeqByf371HGnrKZXI71KqZDoAN
TLSH T17AF43394CF42AD8AFC51EC0F5949B684DCE749871E94123588B5F3CC9C6C6FE63A1A8C
Magika zip
Reporter cocaman
Tags:FormBook INVOICE payment zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Team-A" <Team-A@schenkoo.com>" (likely spoofed)
Received: "from schenkoo.com (unknown [141.98.10.72]) "
Date: "08 Aug 2025 09:56:25 +0200"
Subject: "Re: Re: TAX INVOICE - PAYMENT ADVICE"
Attachment: "TT Copy.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
CH CH
File Archive Information

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

File name:TT Copy.exe
File size:929'792 bytes
SHA256 hash: 08711531856f5bac25163365862fc8a0f2c08eb8d19ea89b4d688f12ef5e841c
MD5 hash: 142c71911fcfaad9dbc0f3598c883d9b
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Tags:
virus micro msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap evasive lokibot lolbin msbuild obfuscated obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc vbnet zero
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.
Verdict:
Malicious
File Type:
zip
First seen:
2025-08-07T07:08:00Z UTC
Last seen:
2025-08-07T07:08:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.29 Zip Archive
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-08 00:36:39 UTC
File Type:
Binary (Archive)
Extracted files:
13
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
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_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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:win32_dotnet_form_obfuscate
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware
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 d2c6bb136c222573780f623053a92f68f768e7a4207912189d9f9dfac5184428

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments