MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd42d4f84b7b9321266ca8529d2f05f6c1532cd8dbd11906db1d62e737b0287c. 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: 7

Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash:	bd42d4f84b7b9321266ca8529d2f05f6c1532cd8dbd11906db1d62e737b0287c
SHA3-384 hash:	c83dcbb8de58d4f4d803bfb9a5e032ba5369d537cb23d9fbe5a19ff404abe026b042c32d4ba012534415750330690f3c
SHA1 hash:	9844f684abcb0247bdd2659c796b8bfcdfc6117f
MD5 hash:	0a3f80c0b036fef7e1fac2a0a8f17269
humanhash:	fruit-washington-kitten-mockingbird
File name:	payment slip.r15
Download:	download sample
Signature	Formbook Create hunting rule
File size:	706'778 bytes
First seen:	2025-02-10 13:15:26 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:+b3aw5T6Vwi8ihmn3IFL37QPogXTwH36JGnye0Rypj4qi+MNPadt5G902Lk+iq1j:WN6VwTyQ7XJGnyeipPadKdoR63T
TLSH	T1E7E423EC39B526B1E2352766273AD9CB876EFB244908D15FCE0CBD6293C1311B8411E7
TrID	58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1) 41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	cocaman
Tags:	FormBook INVOICE payment r15 rar

cocaman

Malicious email (T1566.001)
From: "cwzhou@eshine-logistics.com" (likely spoofed)
Received: "from [103.237.86.143] (unknown [103.237.86.143]) "
Date: "10 Feb 2025 13:38:43 +0700"
Subject: "RE: SOA & INVOICE -USD 17,193.96"
Attachment: "payment slip.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 slip.exe
File size:	783'360 bytes
SHA256 hash:	c6b7c7784ebcff9da356fe18cdeb164d121d9def409bfe81f445e5c77cfea314
MD5 hash:	bae88c130317978cb05ea2fee779a1ad
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a9fc4949f32dfb0d82cce9

Tags:

micro shell msil

Verdict:

Suspicious

Labled as:

Mal/DrodRar

Link:

https://www.hybrid-analysis.com/sample/bd42d4f84b7b9321266ca8529d2f05f6c1532cd8dbd11906db1d62e737b0287c

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/bd42d4f84b7b9321266ca8529d2f05f6c1532cd8dbd11906db1d62e737b0287c/

Threat name:

ByteCode-MSIL.Backdoor.FormBook

Status:

Malicious

First seen:

2025-02-10 06:44:21 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

23 of 38 (60.53%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xvbnj6clpojscjtmvbjj2lyf63avglgy3pirsbw3dvroon5qfb6a._file

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery execution

Link:

https://tria.ge/reports/250210-rhcttatmgm/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Downloads MZ/PE file

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/bd42d4f84b7b9321266ca8529d2f05f6c1532cd8dbd11906db1d62e737b0287c

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)