MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bcedf21ae63f29a9aacc27cdcd1320259cd8a35c81befc0b960b95a93cf81e1. 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: 12


Intelligence 12 IOCs YARA 26 File information Comments

SHA256 hash: 4bcedf21ae63f29a9aacc27cdcd1320259cd8a35c81befc0b960b95a93cf81e1
SHA3-384 hash: 41c62885538cdc8fd7e1643e136a605169437dcb921307cad018178795c2298225d9a6b6b4d482d3356a73c3bcac014e
SHA1 hash: 0e64a27fbfa20126269b0c261d281585d1ddaf2a
MD5 hash: 6508ed04f7530a68909525c5b70f2ae7
humanhash: thirteen-quebec-sweet-apart
File name:Draft on Document 10.zip
Download: download sample
Signature Formbook
File size:771'955 bytes
First seen:2025-10-09 13:00:05 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:W+Za02e0L6q75phMQQz7eKRnBdBdHtUhiuDffN9sok+2M1sdqATEaC:W+ZEB7hPISKRnBdLt8Df19sFDM13D
TLSH T17EF423AE9FECA9AC9444E8D610AE84F7FD50374E5C88E3F9025A45035D8CBEF9BC1125
Magika zip
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Legal <finance@cytanet.com.cy>" (likely spoofed)
Received: "from sad-cohen.147-45-49-36.plesk.page (unknown [147.45.49.36]) "
Date: "01 Oct 2025 13:31:49 -0700"
Subject: "DRAFT DOCS 10BIXZ"
Attachment: "Draft on Document 10.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
CH CH
File Archive Information

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

File name:Draft on Document.exe
File size:1'225'216 bytes
SHA256 hash: 43b26c2424d02b6e41349628ab60570bfa754e85a4fdb7be13ab2f93ff33c40d
MD5 hash: a9ff8c5150f9a66c5e8bb098cabe3173
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
autoit emotet
Result
Verdict:
Malicious
File Type:
PE File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit cmdkey compiled-script control evasive fingerprint keylogger lolbin microsoft_visual_cc packed
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:
2025-10-01T15:37:00Z UTC
Last seen:
2025-10-02T16:06:00Z UTC
Hits:
~10
Verdict:
Malware
YARA:
3 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Zip Archive
Threat name:
Script-AutoIt.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-10-01 21:41:23 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware discovery rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
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:pe_detect_tls_callbacks
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:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:Windows_Generic_Threat_aeaeb5cf
Author:Elastic Security

File information


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

Malspam

Formbook

zip 4bcedf21ae63f29a9aacc27cdcd1320259cd8a35c81befc0b960b95a93cf81e1

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments