MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ff1725bbd606965f0e37f15d60f0979a280bc05ea1a3fbd70cb8ee9d7031bb0. 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 16 File information Comments

SHA256 hash:	1ff1725bbd606965f0e37f15d60f0979a280bc05ea1a3fbd70cb8ee9d7031bb0
SHA3-384 hash:	de069cbb590b7d9feeebc249d00e4c6ca3aa388444fca57005fd2647fe9e578cdb3e5a8b35085102eee2b1047fbc2c3d
SHA1 hash:	393be34da9d1edcd25676f4cf97c9e5a95f9970c
MD5 hash:	e643c74601ccdfa409a6577191c2dccc
humanhash:	black-spaghetti-utah-oklahoma
File name:	PROFORMA.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	589'016 bytes
First seen:	2025-03-05 06:50:24 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:MJQbu+hiBz3YArZTEF5bjfcg+C2wqDZuN4ING67TcQe/qdSwQ:MJL8iZ3YArK0g+eGMNPnxeidC
TLSH	T1F9C42361C8E3FC0210F2E64176B3BF55D159EE82C52C2DAB7F8999A0334D8AD54EA371
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 rar

cocaman

Malicious email (T1566.001)
From: "info@alvanweverwijk.com" (likely spoofed)
Received: "from [195.211.191.129] (unknown [195.211.191.129]) "
Date: "4 Mar 2025 22:50:03 -0800"
Subject: "RE: PROFORMA"
Attachment: "PROFORMA.rar"

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:	UkSYZASAwY7B3Kk.exe
File size:	644'096 bytes
SHA256 hash:	54902efb04a961959a6ac354c9c54fa1cd59172ae5f713c3a0bfa30448217af3
MD5 hash:	0e195be20bc715959546a04ee38b1ded
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=67c7f6e0c8d04e92a4bf04bf

Tags:

stealer virus word

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/67c7f4624a3011c802c7e724/reports/99075a80-aa72-4fd0-8b62-ccfc1d21bfd4/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/1ff1725bbd606965f0e37f15d60f0979a280bc05ea1a3fbd70cb8ee9d7031bb0

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/1ff1725bbd606965f0e37f15d60f0979a280bc05ea1a3fbd70cb8ee9d7031bb0/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-03-05 04:46:06 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=d7yxew55mbuwl4hdp4k5mdyjpgribpaf5ind7plqzohotvyddoya._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:my18 discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/250305-hrkfkssj15/

Behaviour

Modifies registry class

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

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/1ff1725bbd606965f0e37f15d60f0979a280bc05ea1a3fbd70cb8ee9d7031bb0

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

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

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

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

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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

Rule name:	pe_imphash Create hunting rule

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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)