MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0
SHA3-384 hash: fc023d34a3d9a74d45cb7eb7972c61e1bbe676e464c8a7c8997cbf5040a2c2d0f8b268e0a4b962053745f71e0e3d8682
SHA1 hash: 9b0a67df31e6029e150a35514273a7896ff44d0e
MD5 hash: d19e399e495e483d204aeddbad16f464
humanhash: oscar-mars-don-echo
File name:Contract Documents.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:717'466 bytes
First seen:2024-08-14 12:14:45 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:CXZQJvR6MswsHnEOi0WrMbI9QI4JeFRDA4n75TkCvIZCxNzm6bjSR4cXZhBey:CXUunZiLAcjRA4n7iCQaRm6bja4cBz
TLSH T1ECE4336BE76024625D91940DC2CC98F06B738AF338117F32D2D2292927F6B172976C7B
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Marwa Badawy <PUR.Contracts@pms.eg>" (likely spoofed)
Received: "from pms.eg (unknown [185.222.58.57]) "
Date: "9 Aug 2024 06:14:58 +0200"
Subject: "Re: Renewal of Contract"
Attachment: "Contract Documents.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
407
Origin country :
CH CH
File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:Contract Documents.pif
File size:753'672 bytes
SHA256 hash: fb7da117740435978f076956d360df919c4893ec6dec49ee80ff24a39e0a487e
MD5 hash: af7db219391fbfb723198dc244da478a
MIME type:application/x-dosexec
Signature Formbook
File name:32512
File size:20 bytes
SHA256 hash: 5182b442aa958896147ff8d2dbf3de54d209f9b23d98210fb1a930057fd7fa2e
MD5 hash: 9b1baa68bbcbbad546bdb310d8bd9f04
MIME type:application/octet-stream
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20240809-1037.UNOFFICIAL
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Win.Packed.Pwsx-10034480-0
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Win.Packed.Noon-10034509-0
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Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b5a740aa5b40be0a9fe45e
Tags:
Encryption Execution Static Stealth Nekark
Result
Verdict:
Unknown
File Type:
ZIP File
Link:
https://app.docguard.net/cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed
Link:
https://www.filescan.io/uploads/66bc9fca3930e113b90b3840/reports/bcc18ace-098a-4f92-85fe-f2246d03aeae/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Score:
99%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-08-09 03:32:54 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zm5h5sazkrt4llmimi5gqykmxqcubchgda3lbapivy7jffyy5sya._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

zip cb3a7ec8195467c5ad88623a68614cbc054088e61836b081e8ae3e929718ecb0

(this sample)

Formbook

Executable exe fb7da117740435978f076956d360df919c4893ec6dec49ee80ff24a39e0a487e

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 fb7da117740435978f076956d360df919c4893ec6dec49ee80ff24a39e0a487e
  
Dropping
Formbook

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