MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13f29a3c96c0fa61028212b27c4804a9a510f6164e6ab9ed7777a6b3b60d3d01. 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 2 File information Comments

SHA256 hash:	13f29a3c96c0fa61028212b27c4804a9a510f6164e6ab9ed7777a6b3b60d3d01
SHA3-384 hash:	d6d6ed600751df22c70a607c6b1b8d5d5b8e8e48e4749c353e79b9d19a55790a0b6b1732860ecf32b652278d66732aa6
SHA1 hash:	f9c3a8f91e9e7e2807b403a30a19899b7c5481be
MD5 hash:	4588d78a96a1201801eece034d16f273
humanhash:	mike-river-charlie-montana
File name:	PO #010-240.pdf.z
Download:	download sample
Signature	Formbook Create hunting rule
File size:	561'599 bytes
First seen:	2022-05-19 19:53:19 UTC
Last seen:	Never
File type:	z
MIME type:	application/x-rar
ssdeep	12288:T30lY3wQtpO7N37vTLZn6x4wr3Z9OqXnqcKGM8ZQZS/iYxpysc3:b0lYy7N3XJ6xBr3+cK/8u0/iYxo13
TLSH	T1F5C423191315D69E2FAE1693E70B8E0E4B5D7B64CD7F04D2B2C7B822F8C9498F296C41
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	FormBook z

cocaman

Malicious email (T1566.001)
From: "sales department <rud-division@alkuhaimi.com>" (likely spoofed)
Received: "from alkuhaimi.com (unknown [45.137.22.116]) "
Date: "19 May 2022 14:31:05 +0200"
Subject: "PO #010-240 "
Attachment: "PO #010-240.pdf.z"

Intelligence

File Origin

# of uploads :

# of downloads :

304

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

obfuscated packed update.exe

Link:

https://www.filescan.io/uploads/6286a06b054dcf0ecacd7f27/reports/f48d8a88-98d0-462b-8f43-9607f63cd52b/overview

Result

Verdict:

MALICIOUS

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/13f29a3c96c0fa61028212b27c4804a9a510f6164e6ab9ed7777a6b3b60d3d01/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2022-05-19 11:58:59 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

17 of 26 (65.38%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=cpzjupewyd5gcaucckzhysaevgsrb5qwjzvlt3lxo6tlhnqnhuaq._file

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.85

Link:

https://yomi.yoroi.company/submissions/13f29a3c96c0fa61028212b27c4804a9a510f6164e6ab9ed7777a6b3b60d3d01

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:	SUSP_RAR_with_PDF_Script_Obfuscation Create hunting rule
Author:	Florian Roth
Description:	Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:	Internal Research

Rule name:	SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4 Create hunting rule
Author:	Florian Roth
Description:	Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:	Internal Research