MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1dcfc787da7529c477198a644aeb9071bba6bacfb3b6f43104305ed4cf4dfd7. 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: 5


Intelligence 5 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1dcfc787da7529c477198a644aeb9071bba6bacfb3b6f43104305ed4cf4dfd7
SHA3-384 hash: e03e7b85e6f09bd6d82228b90030368a6f12765af8c8139c7bc6bbf625e1cc344472560db7cbe06634c75ed37ae7dba0
SHA1 hash: 2a0662fc2b0d864e428bf6f1c897639922b693da
MD5 hash: 02b973ef40db50fcb52fef21baf35a1d
humanhash: yellow-helium-mike-asparagus
File name:RFQ.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:433'365 bytes
First seen:2023-01-17 09:23:56 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:9v3rFCIMks/1vZ6+Pk7BzAKqpzWawlCY4NYdlXkEkJUdvvZ1gDX6c2f+:9frpMTvZ6RzAzWawlCY4NOU0NHW6r2
TLSH T10D9423EFA074BEC8690201E5E3728590F0EB2E8765E63B455A3BB63592F250D3C4CCB5
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook RFQ zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Diakite Melik <info@ept-batterys.com>" (likely spoofed)
Received: "from srv1.ept-batterys.com (srv1.ept-batterys.com [23.95.50.116]) "
Date: "17 Jan 2023 01:23:31 -0800"
Subject: "Dekota#621028"
Attachment: "RFQ.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
File Archive Information

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

File name:RFQ.exe
File size:544'277 bytes
SHA256 hash: cef638f9ba310dfd22719a682dfe6ad1a07c06b122b54127e2a6257e9acc7752
MD5 hash: 2784a34d639dbcd54f77651b0440929c
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs1280.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/b1dcfc787da7529c477198a644aeb9071bba6bacfb3b6f43104305ed4cf4dfd7/results/dashboard
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c669338352dc7065e33d49/reports/b9a2b52f-115f-460d-b416-87a249418679/overview
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b1dcfc787da7529c477198a644aeb9071bba6bacfb3b6f43104305ed4cf4dfd7
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/b1dcfc787da7529c477198a644aeb9071bba6bacfb3b6f43104305ed4cf4dfd7/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whopy6d5u5jjyr3rtctejlvza4n3u25m7m5w6qyqimc62thu37lq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230117-ltb4rshh8s/
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Blocklisted process makes network request
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/b1dcfc787da7529c477198a644aeb9071bba6bacfb3b6f43104305ed4cf4dfd7

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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

zip b1dcfc787da7529c477198a644aeb9071bba6bacfb3b6f43104305ed4cf4dfd7

(this sample)

Formbook

Executable exe cef638f9ba310dfd22719a682dfe6ad1a07c06b122b54127e2a6257e9acc7752

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 cef638f9ba310dfd22719a682dfe6ad1a07c06b122b54127e2a6257e9acc7752
  
Dropping
MD5 2784a34d639dbcd54f77651b0440929c

Comments