MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcb7fec639066bc7dc5eb343e0fdb94102900f4859075e4639a69b40a2c482e5. 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: 6


Intelligence 6 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcb7fec639066bc7dc5eb343e0fdb94102900f4859075e4639a69b40a2c482e5
SHA3-384 hash: 25133f4eb60c5d20dac50ab031b1348c6f12f52383dd67af41f42176173097a1fec4f196072b0f898065447cc08a56ca
SHA1 hash: 09ba10965f7ceeedc8a6950099906771b2b67ccc
MD5 hash: e51ea0e5fa8fb41f55bab3d7bb674144
humanhash: timing-nebraska-moon-finch
File name:BL and shipping Document.r01
Download: download sample
Signature Formbook
Create hunting rule
File size:581'463 bytes
First seen:2024-03-11 07:00:19 UTC
Last seen:2024-03-11 08:12:27 UTC
File type: r01
MIME type:application/x-rar
ssdeep 12288:q+YsKk1moAMkfTRmfG0KCtAmQ+3lSXZGPhDa+B+O9O5D8qcptIgZ9PJ7QfdlvgcI:rYsB7AM0TRmuC+a3lSJGPY+ByapN9PJZ
TLSH T112C423A535B5BA07671021C307E526A5E4DA20F7DB337F68DEB6B3DE0369C4224CD468
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook r01 Shipping


Avatar
cocaman
Malicious email (T1566.001)
From: "PLEASE_DO_NOT_REPLY_HOU@oocl.com" (likely spoofed)
Received: "from oocl.com (unknown [172.245.12.86]) "
Date: "6 Mar 2024 12:46:37 +0100"
Subject: "OOCL Arrival Notice At Final Destination: OOLU4051770254 | COSCO SHIPPING ANDES - 017E"
Attachment: "BL and shipping Document.r01"

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
CH CH
File Archive Information

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

File name:oZF2kXw4ZRc8NjL.exe
File size:612'360 bytes
SHA256 hash: f2afb3f2fc399a22f91d7697807904a9890f2bfa18c8c78a3dfc623e7c23815d
MD5 hash: 5a359fe001dbe5d3273b0eaf98958aee
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed
Link:
https://www.filescan.io/uploads/65eeac2f1d6034c3c02a6651/reports/06c51d5d-4791-4d02-9f2d-b45a590ac114/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/fcb7fec639066bc7dc5eb343e0fdb94102900f4859075e4639a69b40a2c482e5
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/fcb7fec639066bc7dc5eb343e0fdb94102900f4859075e4639a69b40a2c482e5/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-03-05 07:41:29 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7s375rrzazv4pxc6wnb6b7nziebjad2iledv4rrzu2nubiweqlsq._file
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/fcb7fec639066bc7dc5eb343e0fdb94102900f4859075e4639a69b40a2c482e5

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: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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_g0
Create hunting rule
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

r01 fcb7fec639066bc7dc5eb343e0fdb94102900f4859075e4639a69b40a2c482e5

(this sample)

Formbook

Executable exe f2afb3f2fc399a22f91d7697807904a9890f2bfa18c8c78a3dfc623e7c23815d

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 f2afb3f2fc399a22f91d7697807904a9890f2bfa18c8c78a3dfc623e7c23815d
  
Dropping
Formbook
  
Dropping
MD5 5a359fe001dbe5d3273b0eaf98958aee

Comments