MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83189677dfc9c1d255cf664d54f3c207c27003839af336b733444f9cf0378623. 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: 8

Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash:	83189677dfc9c1d255cf664d54f3c207c27003839af336b733444f9cf0378623
SHA3-384 hash:	69daf6add4399d6664b749c51ec81994bf331de1eee0a374d282e4758b6e81d6e8d515203f05ec8e28688d17505a7229
SHA1 hash:	a1c44963cab79d10fe20c14549364f8aee0211f0
MD5 hash:	71ffcdf7ebdaf5b2e94977a541fce29a
humanhash:	magazine-stairway-ten-single
File name:	Payment Advice.r15
Download:	download sample
Signature	Formbook Create hunting rule
File size:	653'802 bytes
First seen:	2025-02-04 10:08:00 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:bb8lY7Ef00U02iPeB8vWFxXvWZl91mbvbNs/Rlj5WiFhK1LPP85mo+:bbYY7000iiPeDxQvgrbNsLoim85S
TLSH	T1ADD423A7A388E7047C30B70F69E7111E443EBD83EE4A8E954D028E778B66F06615752E
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 payment r15 rar

cocaman

Malicious email (T1566.001)
From: "cs1@atlas-uae.com" (likely spoofed)
Received: "from [195.211.191.70] (unknown [195.211.191.70]) "
Date: "3 Feb 2025 20:34:30 -0800"
Subject: "Re : Payment confirmation"
Attachment: "Payment Advice.r15"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

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

File name:	Payment Advice.exe
File size:	701'440 bytes
SHA256 hash:	bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f
MD5 hash:	120b40f5660509f801c91710f54c0310
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a1e87b51193558eb195702

Tags:

virus micro msil

Gathering data

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/83189677dfc9c1d255cf664d54f3c207c27003839af336b733444f9cf0378623

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/83189677dfc9c1d255cf664d54f3c207c27003839af336b733444f9cf0378623/

Threat name:

Win32.Trojan.Zmutzy

Status:

Malicious

First seen:

2025-02-04 04:30:28 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qmmjm567zha5evopmzgvj46ca7bhaa4dtlztnnztirhzz4bxqyrq._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:a01d discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/250204-l8m5ksvmhm/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Deletes itself

Command and Scripting Interpreter: PowerShell

Formbook payload

Formbook

Formbook family

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/83189677dfc9c1d255cf664d54f3c207c27003839af336b733444f9cf0378623

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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

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)