MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4d05175eb716ebb38c71dce1b58fe0fd995ca5c923de050f2e6957a5b98fed5. 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: 8


Intelligence 8 IOCs YARA 21 File information Comments

SHA256 hash: f4d05175eb716ebb38c71dce1b58fe0fd995ca5c923de050f2e6957a5b98fed5
SHA3-384 hash: 7d442c28776fe9d8b4c519d9474e67601e9149d9514b5e1740684aeed20aa994cb447c216cb3812cbf57edb6bbff25bb
SHA1 hash: 54302ad5b091a27a49f195910f51dd661d674dac
MD5 hash: 612353362af14e4053abf8e9baf2e2e5
humanhash: freddie-north-sierra-beer
File name:AWB 131107243 Shipping Documents.rar
Download: download sample
Signature Formbook
File size:712'237 bytes
First seen:2025-08-27 12:38:21 UTC
Last seen:2025-08-27 13:11:47 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:x01MVVJwvnqvXoIlk32HF+y+8ix3MBJEDIsdC9eksECBu7Vs1cq:xWMV+qvXVl5+y+PWLfso9jsEHpCcq
TLSH T104E4238C4C85CA241455F835BD3CF465A4843CDEF94FB0AB166E28CB8AA4EA46477FC9
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 rar Shipping


Avatar
cocaman
Malicious email (T1566.001)
From: "SFI Manding <sfi@jugro.com>" (likely spoofed)
Received: "from jugro.com (unknown [172.245.23.154]) "
Date: "18 Aug 2025 09:52:49 +0200"
Subject: "R: AWB 131107243 Shipping Documents 8/18/2025"
Attachment: "AWB 131107243 Shipping Documents.rar"

Intelligence


File Origin
# of uploads :
2
# of downloads :
44
Origin country :
CH CH
File Archive Information

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

File name:AWB 131107243 Shipping Documents.exe
File size:1'268'736 bytes
SHA256 hash: b8adc251d1e8c5217d3de458c277b3866f1b90e8d3d998f0b40ba5df25cbee17
MD5 hash: 08f5fa5f68554485163fbec206336b74
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script evasive fingerprint keylogger masquerade microsoft_visual_cc packed threat
Verdict:
Malicious
File Type:
rar
First seen:
2025-08-18T11:21:00Z UTC
Last seen:
2025-08-18T11:21:00Z UTC
Hits:
~100
Gathering data
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-08-18 09:24:40 UTC
File Type:
Binary (Archive)
Extracted files:
15
AV detection:
20 of 24 (83.33%)
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
System Network Configuration Discovery: Internet Connection 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: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

rar f4d05175eb716ebb38c71dce1b58fe0fd995ca5c923de050f2e6957a5b98fed5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments