MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 733c6fc39443e8ad3562738e6680876ce719471f950cac2aabdf77b7a35d6033. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 733c6fc39443e8ad3562738e6680876ce719471f950cac2aabdf77b7a35d6033
SHA3-384 hash: 4790d165df6bc0af173073c9b0602230f050187dc89f6971f663a19b39bab71e832a03dbdff00fa52a94c2260b8ee5d5
SHA1 hash: 659e00783ecfb82acc6aa53df5ed74fe203fafa6
MD5 hash: 42c924c48f6aa6a0e6957a465ec4a45a
humanhash: kilo-oregon-river-bluebird
File name:Original Inv_pdf.gz
Download: download sample
Signature Formbook
Create hunting rule
File size:216'667 bytes
First seen:2022-11-22 08:26:38 UTC
Last seen:Never
File type: gz
MIME type:application/gzip
ssdeep 6144:X+VjuZh52J2qRIqn6sofWCp7eyIE9tmk9:X+gD52J/eqGf7y1E9tN
TLSH T1122423B31581F98695ECE75C40CF7B4205B09937BE3FE23A4E72A5B2698A197800E653
Reporter cocaman
Tags:FormBook gz TNT


Avatar
cocaman
Malicious email (T1566.001)
From: "TNT EXPRESS <mil.sha@cobertas.com>" (likely spoofed)
Received: "from rjblxrgl.cobertas.com (rjblxrgl.cobertas.com [92.52.217.58]) "
Date: "Tue, 22 Nov 2022 09:19:01 +0100"
Subject: "Track TNT Express Shipments"
Attachment: "Original Inv_pdf.gz"

Intelligence

File Origin
# of uploads :
1
# of downloads :
192
Origin country :
n/a
File Archive Information

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

File name:Original Inv_pdf.exe
File size:230'107 bytes
SHA256 hash: 4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a
MD5 hash: 528dda2fb65f094c420a81707fe5a8a9
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Win.Dropper.Smdd-6956905-0
Create hunting rule

Sanesecurity.Malware.27383.GZipHeur.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/637c87d7fe7e1beee24199a3/reports/d11e28b2-fdba-4ccb-a1a9-a74a17c18dbd/overview
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/733c6fc39443e8ad3562738e6680876ce719471f950cac2aabdf77b7a35d6033/
Threat name:
Win32.Trojan.ZmutzyPong
Create hunting rule
Status:
Malicious
First seen:
2022-11-22 08:27:06 UTC
File Type:
Binary (Archive)
Extracted files:
5
AV detection:
10 of 40 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=om6g7q4uipuk2nlcoohgnaehnttrsry7sugkykvl3533pi25mazq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sy01 rat spyware stealer trojan
Link:
https://tria.ge/reports/221122-lm8jdscd51/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/733c6fc39443e8ad3562738e6680876ce719471f950cac2aabdf77b7a35d6033

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
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

File information

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

Malspam

Formbook

gz 733c6fc39443e8ad3562738e6680876ce719471f950cac2aabdf77b7a35d6033

(this sample)

Formbook

Executable exe 4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a
  
Dropping
Formbook
  
Dropping
MD5 528dda2fb65f094c420a81707fe5a8a9

Comments