MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418. 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 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418
SHA3-384 hash: ffc5964dc4a0434bb0bdb3143e5c5883c3479c5257847e2d569946b9485d9a21b38b6f9e3305e81192e93f04b517ca39
SHA1 hash: 167828165a5ea6f842923f3ffae6fea8db032966
MD5 hash: 0c92b893fcd24aab9333a5fe79b2563f
humanhash: six-nuts-north-muppet
File name:inv 912402020.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:767'574 bytes
First seen:2025-12-08 14:51:10 UTC
Last seen:2025-12-08 15:09:32 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:SizQnz4yAlrHr5GwsZHFUdfcp6s+qfjrGrKTZ9s5EHMtFkrIGRJbS:SizQnz8PIH4cpXYEHSFJGRJG
TLSH T113F423BFD4A80345E146F9A92952C8DBFF2C1FA1EF0C64974720B12271D3BEB1527265
Magika zip
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "logistic <logistic@alragad.com>" (likely spoofed)
Received: "from alragad.com (unknown [172.245.12.77]) "
Date: "24 Nov 2025 23:52:25 -0800"
Subject: "PI-HY241018MI14 K629"
Attachment: "inv 912402020.zip"

Intelligence

File Origin
# of uploads :
3
# of downloads :
33
Origin country :
CH CH
File Archive Information

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

File name:inv 912402020.exe
File size:1'220'608 bytes
SHA256 hash: e80c725e5944992a8fc9fee172ff5dad5863a60ff23bb929eee63eca0ad6a5c3
MD5 hash: 40e5e095c05174379893527db104909d
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/0fc64dfa-6040-4cb9-934d-3a2a9b30a738/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936e63ddb58e1a2c22b860b
Tags:
autorun autoit emotet
Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6936e5e9d12d1c79d42acb92/reports/898021f5-d785-4b3d-aae4-885b0ec97903/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418
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:
2025-12-08T12:06:00Z UTC
Last seen:
2025-12-08T12:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418
Verdict:
Malware
YARA:
3 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Zip Archive
Link:
https://app.malva.re/file/0c92b893fcd24aab9333a5fe79b2563f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-11-25 09:40:27 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=onyswnlvkvrzpcoic4zctebjkqgyirgbfmvx33yvnh22cqpqcqma._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251208-tqfxjsf19g/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Formbook payload
Formbook
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418

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
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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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:win_formbook_g0
Create hunting rule
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 73712b357555639789c81732299029540d8444c12b2b7def1569f5a141f01418

(this sample)

Formbook

Executable exe e80c725e5944992a8fc9fee172ff5dad5863a60ff23bb929eee63eca0ad6a5c3

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e80c725e5944992a8fc9fee172ff5dad5863a60ff23bb929eee63eca0ad6a5c3
  
Dropping
Formbook
  
Dropping
MD5 40e5e095c05174379893527db104909d

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