MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbbdd11f3c10442270e55644139bb1b4a7917393b2b7084df6057151470e2bbc. 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: cbbdd11f3c10442270e55644139bb1b4a7917393b2b7084df6057151470e2bbc
SHA3-384 hash: 6d374f2404c26fdceb142b5c4ded0b32bc7ddd17448263a0c5de0d34f86963909622079a0e5a7419597cecdcec67a398
SHA1 hash: 6331cc3a13f80144e0e8be2972f88d157b5787bc
MD5 hash: c9213e536d6f36843c625f15ebf98609
humanhash: west-artist-music-august
File name:shipment airway bill_pdf.gz
Download: download sample
Signature Formbook
Create hunting rule
File size:214'668 bytes
First seen:2022-11-14 09:58:17 UTC
Last seen:Never
File type: gz
MIME type:application/gzip
ssdeep 6144:Yts2T7DPxZQGQfdJKKRBLJuFw4fj38KssoQ7:t2T7DPAGQVpLR4Lya
TLSH T1FE2413D80ED3BBE4F4EDE3504E061EF701F83064BE17B692966E6A2D4BD44B48C65385
Reporter cocaman
Tags:DHL FormBook gz


Avatar
cocaman
Malicious email (T1566.001)
From: "DHL_COURIER_2022 <mil.sha@cobertas.com>" (likely spoofed)
Received: "from rjblxrgl.cobertas.com (unknown [92.52.217.58]) "
Date: "Mon, 14 Nov 2022 09:36:00 +0100"
Subject: "DHL Express shipment pre-alert!!"
Attachment: "shipment airway bill_pdf.gz"

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
File Archive Information

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

File name:shipment airway bill_pdf.exe
File size:228'041 bytes
SHA256 hash: 071b55748a4bf8024c8db0de1a1e0201eb18bac7def0ceb902f0ff18039dfb2e
MD5 hash: cb8241dbfc0c15ca8618989f04b55bed
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27383.GZipHeur.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63721166f75d59fef0b95165/reports/a59e8987-5258-43a0-88a6-0d5014ec4749/overview
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cbbdd11f3c10442270e55644139bb1b4a7917393b2b7084df6057151470e2bbc/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-14 09:59:06 UTC
File Type:
Binary (Archive)
Extracted files:
5
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zo65chz4cbcce4hfkzcbhg5rwstzc44twk3qqtpwavyvcryofo6a._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/221114-mr866agg73/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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/cbbdd11f3c10442270e55644139bb1b4a7917393b2b7084df6057151470e2bbc

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 cbbdd11f3c10442270e55644139bb1b4a7917393b2b7084df6057151470e2bbc

(this sample)

Formbook

Executable exe 071b55748a4bf8024c8db0de1a1e0201eb18bac7def0ceb902f0ff18039dfb2e

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 071b55748a4bf8024c8db0de1a1e0201eb18bac7def0ceb902f0ff18039dfb2e
  
Dropping
Formbook
  
Dropping
MD5 cb8241dbfc0c15ca8618989f04b55bed

Comments