MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b36e86335ae567a379602bd3d3fa7f1cc04019eb429aaef593c76602085773e0. 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 24 File information Comments
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SHA256 hash: b36e86335ae567a379602bd3d3fa7f1cc04019eb429aaef593c76602085773e0
SHA3-384 hash: bbc69137b16e05a18595b15096ec7a40f94ae4dfe43314ecf2c64e53f4538795ae3a036225664878668579cf2f9e4838
SHA1 hash: 45d90ab9c287097f51d152f5604da980b3bfcf35
MD5 hash: 9e4a43bded1019e2de2e588e3cdbbe8d
humanhash: beer-papa-washington-yankee
File name:MTO.rar
Download: download sample
Signature Formbook
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File size:585'483 bytes
First seen:2025-02-28 09:25:31 UTC
Last seen:2025-02-28 14:21:35 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:xSy6pPWZ+a6rweTUauBsMy9L95pkzCMJEaWjlKzpwqbiZr8yY0CM6kcfN:sWZ+aaweTUauBsMydSfIipwquGdqk
TLSH T1DEC42353E144A40723351AFFDE593C798F6D9DFC1979A99E3AAD2438BA04398123E433
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 QUOTATION rar


Avatar
cocaman
Malicious email (T1566.001)
From: ""mohammad habbal"<habbalmohammad12@hotmail.com>" (likely spoofed)
Received: "from hotmail.com (unknown [45.144.212.136]) "
Date: "28 Feb 2025 14:19:47 -0800"
Subject: "RE: Request for Quotation"
Attachment: "MTO.rar"

Intelligence

File Origin
# of uploads :
4
# of downloads :
79
Origin country :
CH CH
File Archive Information

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

File name:MTO.exe
File size:1'081'344 bytes
SHA256 hash: 61dca33592107d6dee726d1d3a960507e32b0845c9e4e8c07c81e07096b0b670
MD5 hash: 5ed230a016dd738e413233b94852ff87
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Porcupine.Win32.Injector.Autoit.GXI.331731.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c16d464e50050b2e6ef727
Tags:
autorun autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit cmdkey compiled-script evasive extrac32 fingerprint keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67c1812925afd1330131bc9e/reports/d76fd11b-e62f-41bc-9ddf-50c3d150f152/overview
Verdict:
Malicious
Labled as:
Ransom.Wacatac
Link:
https://www.hybrid-analysis.com/sample/b36e86335ae567a379602bd3d3fa7f1cc04019eb429aaef593c76602085773e0
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b36e86335ae567a379602bd3d3fa7f1cc04019eb429aaef593c76602085773e0/
Threat name:
Win32.Trojan.AutoitInject
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Status:
Malicious
First seen:
2025-02-28 06:55:59 UTC
File Type:
Binary (Archive)
Extracted files:
28
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnximm224vt2g6lafpj5h6t7dtaeagpliknk55mty5taeccxopqa._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:mg63 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250228-lrszhaym17/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b36e86335ae567a379602bd3d3fa7f1cc04019eb429aaef593c76602085773e0

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:Check_OutputDebugStringA_iat
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Rule name:DebuggerCheck__API
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
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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
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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:Formbook
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
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Author:Willi Ballenthin
Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SUSP_Imphash_Mar23_3
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Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Trojan_Formbook
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Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
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Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_g0
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Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

rar b36e86335ae567a379602bd3d3fa7f1cc04019eb429aaef593c76602085773e0

(this sample)

Formbook

Executable exe 61dca33592107d6dee726d1d3a960507e32b0845c9e4e8c07c81e07096b0b670

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 61dca33592107d6dee726d1d3a960507e32b0845c9e4e8c07c81e07096b0b670
  
Dropping
Formbook

Comments