MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4102949cc53b08046da91e0d8c3ac0f9b48e7fa9f691a088f0a58a400c7ca718. 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: 9


Intelligence 9 IOCs YARA 18 File information Comments

SHA256 hash: 4102949cc53b08046da91e0d8c3ac0f9b48e7fa9f691a088f0a58a400c7ca718
SHA3-384 hash: aa56eeea102f002f637995cbf5e73ebf35d77a5cf827e9ac9df7a31afbbb681b05b7b6e189aebcb6eaca708a19d1601e
SHA1 hash: 3eba94da5f08ac6da440b3c1b2a442c4a9751ee6
MD5 hash: e4ee7e59eb24c02c36e7085d9b3e3a0f
humanhash: river-hamper-oklahoma-friend
File name:Order Acknowledgement 125674-00 RE PO.rar
Download: download sample
Signature Formbook
File size:773'818 bytes
First seen:2025-07-03 10:00:11 UTC
Last seen:2025-07-03 12:31:11 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:AusH769I5J+PgZMfFc1UdOQC3FrfYyptci1/++iO9fK8BTZNWCZYHn:Ar7v5J3iFc1MOQC3Jf5pzcIfK8Bfbc
TLSH T167F43379AA86C3D354D92097722F4F48BBF39350D968A3D3F23679C87F30609921E952
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


Avatar
cocaman
Malicious email (T1566.001)
From: "OQRPI-Contractors Management <ds.contractors.management@oq.com>" (likely spoofed)
Received: "from oq.com (unknown [45.137.22.101]) "
Date: "3 Jul 2025 05:30:13 -0700"
Subject: "RE: Order Confirmation PO- 2925 905125"
Attachment: "Order Acknowledgement 125674-00 RE PO.rar"

Intelligence


File Origin
# of uploads :
2
# of downloads :
17
Origin country :
CH CH
File Archive Information

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

File name:Order Acknowledgement 125674-00 RE PO.exe
File size:1'330'688 bytes
SHA256 hash: 076299bd2f2e275a19527c2d9b88a3287ac6d7b7707f5c9269d571162691976d
MD5 hash: 06910ffdcdab5da8e57370a6639a9d01
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 keylogger masquerade microsoft_visual_cc obfuscated packed packed
Verdict:
Malware
YARA:
1 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) Rar Archive Suspect
Verdict:
Malicious
Threat:
Win32.Trojan.AutoitInject
Threat name:
Win32.Trojan.Zmutzy
Status:
Malicious
First seen:
2025-07-03 07:26:35 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
26 of 38 (68.42%)
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 WriteProcessMemory
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: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 4102949cc53b08046da91e0d8c3ac0f9b48e7fa9f691a088f0a58a400c7ca718

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments