MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18f3dd99c131c25cba7ca4689fa9fec8b6ea374fea9ccd28f5b2f8fd04324ede. 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 4 File information Comments

SHA256 hash:	18f3dd99c131c25cba7ca4689fa9fec8b6ea374fea9ccd28f5b2f8fd04324ede
SHA3-384 hash:	58142705ce1ad5596c0a1fff462633b8462ad3d5556b8e47a0649956e173c9db0d917e1b2589ec066ddd1f5282f3bfdc
SHA1 hash:	a83af47b6df60f05e7716ac9cc0f3c4195caaf28
MD5 hash:	210b3e271d976febb9acfcd34eaae767
humanhash:	september-artist-quiet-two
File name:	SKMBT-283202109080.pdf.lzh
Download:	download sample
Signature	Formbook Create hunting rule
File size:	529'056 bytes
First seen:	2023-02-14 09:03:04 UTC
Last seen:	2023-02-14 09:06:36 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:/O1DuY1qfcJYjQEJ4J35su0Ds3tWlghj72n0efbZkDgwG:mUY1fgQEJ2t4s/49v
TLSH	T1F4B4239427053B9823E572CA3B447B667380F7D8034E8B4C145E36BF96FF6711EAA960
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	FormBook lzh rar

cocaman

Malicious email (T1566.001)
From: "SBA Amerat <sbaamerat@pipoman.com>" (likely spoofed)
Received: "from pipoman.com (unknown [185.222.58.242]) "
Date: "14 Feb 2023 08:33:50 +0100"
Subject: "Cash request 12.02.2023 (SBA Al Amerat)"
Attachment: "SKMBT-283202109080.pdf.lzh"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

File Archive Information

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

File name:	SKMBT-283202109080.pdf.exe
File size:	584'192 bytes
SHA256 hash:	2fb0a24e905687a5443fbe50d21033e4318da3275260bd82d016a9af346bb09b
MD5 hash:	1b2504eaa55097312bfb5e80d81cf897
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Rogue.0hr.20230214-0632.UNOFFICIAL

Gathering data

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/18f3dd99c131c25cba7ca4689fa9fec8b6ea374fea9ccd28f5b2f8fd04324ede

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/18f3dd99c131c25cba7ca4689fa9fec8b6ea374fea9ccd28f5b2f8fd04324ede/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2023-02-14 07:17:30 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

21 of 39 (53.85%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ddz53gobghbfzot4uruj7kp6zc3oun2p5kom2khvwl4p2bbsj3pa._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:gg62 rat spyware stealer trojan

Link:

https://tria.ge/reports/230214-k82gjacc35/

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

Suspicious use of SetThreadContext

Deletes itself

Formbook payload

Formbook

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

Threat name:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/18f3dd99c131c25cba7ca4689fa9fec8b6ea374fea9ccd28f5b2f8fd04324ede

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:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_RAR_with_PDF_Script_Obfuscation Create hunting rule
Author:	Florian Roth (Nextron Systems)
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