MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a73ce81a2bd44444d33f0b1b9d7d47c526ffa6f47d929b45b2b87a51b7efc0c4. 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 7 File information Comments

SHA256 hash:	a73ce81a2bd44444d33f0b1b9d7d47c526ffa6f47d929b45b2b87a51b7efc0c4
SHA3-384 hash:	347697c663db28e4cba1f99af20bab1d977d2183597610c3e64d63108ba6a808fb3f34495cda20821a8cea348216ec56
SHA1 hash:	9877f6a5e6044bad8fa2302897debe06d4245205
MD5 hash:	56bea9e8d6e8cc8a4db3baddca6f5866
humanhash:	music-north-robert-louisiana
File name:	Invoice no.9673.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	716'922 bytes
First seen:	2024-11-29 03:13:04 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:1r9eCWMGDnkvdBael9D04gpKef2z/3eMrlixT7tRqG:xaDnfw5oKefIFrQTZ
TLSH	T133E433D8EA03C11D53FB1A77E90E0EC266B545C10ADFE9C2113B4737EA6525428BDE4A
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	cocaman
Tags:	FormBook INVOICE rar

cocaman

Malicious email (T1566.001)
From: "Bahira A Samad <bindia@bharatin.com>" (likely spoofed)
Received: "from bharatin.com (unknown [45.137.22.240]) "
Date: "28 Nov 2024 19:11:48 -0800"
Subject: "RE: Request for SOA"
Attachment: "Invoice no.9673.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

108

Origin country :

File Archive Information

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

File name:	Invoice no.9673.exe
File size:	1'223'680 bytes
SHA256 hash:	693424f033f85a79af47963f829e65b5315faad47cd4a82d3a0a76c6962c9968
MD5 hash:	2902d8f9bc667f82a0bb441f3c4dae1f
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67492c92e64d1c722d79ea5d

Tags:

autoit emotet

Gathering data

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/a73ce81a2bd44444d33f0b1b9d7d47c526ffa6f47d929b45b2b87a51b7efc0c4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a73ce81a2bd44444d33f0b1b9d7d47c526ffa6f47d929b45b2b87a51b7efc0c4/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2024-11-29 03:13:13 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=u46oqgrl2rcejuz7bmnz27khyutp7jxupwjjwrnsxb5fdn7pydca._file

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/241129-hrg1fs1qdw/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

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/a73ce81a2bd44444d33f0b1b9d7d47c526ffa6f47d929b45b2b87a51b7efc0c4

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)