MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9fc1f40d3d199b16916017a1a34929db04b1117a7c25890d3c98b7289b546c3. 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 13 File information Comments

SHA256 hash: a9fc1f40d3d199b16916017a1a34929db04b1117a7c25890d3c98b7289b546c3
SHA3-384 hash: 06cfbab16b9bc026aac205324fcf9874e5c8481952216b6019583f2ab899eeb80da8f1365c0df27d157adbda2530f3c4
SHA1 hash: 311fac1050805e257fe3859f143ecdde237ccb72
MD5 hash: 31097110d8e59ecd608cb2a216d29d93
humanhash: cardinal-charlie-friend-harry
File name:PAYMENT.r15
Download: download sample
Signature Formbook
File size:699'580 bytes
First seen:2025-11-06 09:45:22 UTC
Last seen:2025-11-10 13:32:46 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:zXrqLgI3y6USQNM8siYWZPtAtEdNTu98v/0RywXOR1YSL+GErW/k:SEwGNM8nYFtEnLgy4OYSL+GECs
TLSH T13AE433B4A2AA8424ED011179B873D1F52606024F1F3D27D2E5A4D9FFC80A6FBEEB05D5
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:FormBook payment r15 rar


Avatar
cocaman
Malicious email (T1566.001)
From: "agencqhd@hoscogroup.com" (likely spoofed)
Received: "from [91.92.243.33] (unknown [91.92.243.33]) "
Date: "6 Nov 2025 10:56:57 -0800"
Subject: "RE: PAYMENT DUE & SHIPMENT STATUS"
Attachment: "PAYMENT.r15"

Intelligence


File Origin
# of uploads :
5
# of downloads :
41
Origin country :
CH CH
File Archive Information

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

File name:PAYMENT.exe
File size:1'206'272 bytes
SHA256 hash: 2968dbd64af4b7668158b729f043c71b653bec1d5e4c965359bbc662a4cd3fda
MD5 hash: 450b2c1de23060168de9df437e260e04
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint installer-heuristic keylogger masquerade microsoft_visual_cc packed
Verdict:
Malicious
File Type:
rar
First seen:
2025-11-05T23:57:00Z UTC
Last seen:
2025-11-08T07:04:00Z UTC
Hits:
~1000
Verdict:
Malware
YARA:
1 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Rar Archive Suspect
Threat name:
Script-AutoIt.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-11-06 06:10:08 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
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
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_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:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Author:Willi Ballenthin
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: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:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


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

Malspam

Formbook

rar a9fc1f40d3d199b16916017a1a34929db04b1117a7c25890d3c98b7289b546c3

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments