MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f6c56b507816fd602186a2a9d60a2757b2e40e042f2beabb452ddca228804fa. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f6c56b507816fd602186a2a9d60a2757b2e40e042f2beabb452ddca228804fa
SHA3-384 hash: d871300796d7f09e0694124bb4965dd391c16e2f00893bc72ddc6d1a66229907f8a368d95ba5ba35209af583852bf8ea
SHA1 hash: 5e0235834b735060aefd98e7c033d0d9bd459b45
MD5 hash: 7bbc8c29e978d1f162dc3f51ea9b3b13
humanhash: violet-kentucky-friend-orange
File name:#PO-NX - LI-13-11-20.exe.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:565'393 bytes
First seen:2023-11-20 07:07:11 UTC
Last seen:2023-11-20 14:25:35 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:qa+u7hJh0SGEMJy83y2G2zmQU3KmDDl45EAoc+8alnLYejq0v2Is/vT:qQ7XySGEMJy8i29u45EAo6aLPBs/7
TLSH T19EC423FD292DD78F19ADFBE6282828BC27CD71512F566A50444CB7394362201B6CBB7C
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook INVOICE zip


Avatar
cocaman
Malicious email (T1566.001)
From: "LEE WONG (MS.) <lw@seacarrier.net>" (likely spoofed)
Received: "from [94.156.64.125] (unknown [94.156.64.125]) "
Date: "20 Nov 2023 04:04:36 +0100"
Subject: "Re: Await your invoice for remittance"
Attachment: "#PO-NX - LI-13-11-20.exe.zip"

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
CH CH
File Archive Information

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

File name:32512
File size:20 bytes
SHA256 hash: 6b2c5deeef6fa8a3be3970d874da7db3ac36a51a8ec95db6d873e5774a932a1c
MD5 hash: bbe6d39b9aa2e5a4dab07b155839decb
MIME type:application/octet-stream
Signature Formbook
File name:#PO-NX - LI-13-11-20.exe.bat
File size:605'696 bytes
SHA256 hash: 6d8288a0edeabb4ce9889e7effa3983f1b300d49082e5eed5e8d9d256b4e2367
MD5 hash: 7b6d0f4b9896f5e24aeefe13757efbe0
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_exe.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Inject4.59820.2635.30375.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Suspicious
Labled as:
Troj/Krypt
Link:
https://www.hybrid-analysis.com/sample/5f6c56b507816fd602186a2a9d60a2757b2e40e042f2beabb452ddca228804fa
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/5f6c56b507816fd602186a2a9d60a2757b2e40e042f2beabb452ddca228804fa
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Score:
100%
Verdict:
Malware
File Type:
Archive
Link:
https://malprob.io/report/5f6c56b507816fd602186a2a9d60a2757b2e40e042f2beabb452ddca228804fa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f6c56b507816fd602186a2a9d60a2757b2e40e042f2beabb452ddca228804fa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-20 04:14:39 UTC
File Type:
Binary (Archive)
Extracted files:
14
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l5wfnnihqfx5maqynivj2yfcov5s4qhailzl5k5uklo4uiuiat5a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fs35 rat spyware stealer trojan
Link:
https://tria.ge/reports/231120-h3s7vsed47/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
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/5f6c56b507816fd602186a2a9d60a2757b2e40e042f2beabb452ddca228804fa

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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 5f6c56b507816fd602186a2a9d60a2757b2e40e042f2beabb452ddca228804fa

(this sample)

Formbook

Executable exe 6d8288a0edeabb4ce9889e7effa3983f1b300d49082e5eed5e8d9d256b4e2367

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 6d8288a0edeabb4ce9889e7effa3983f1b300d49082e5eed5e8d9d256b4e2367
  
Dropping
MD5 7b6d0f4b9896f5e24aeefe13757efbe0

Comments