MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 535363acfc5186df10bc9c0839f30ff16c62f8637c0d3109925fb5aca4f45091. 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: 9

Intelligence 9 IOCs YARA 28 File information Comments

SHA256 hash:	535363acfc5186df10bc9c0839f30ff16c62f8637c0d3109925fb5aca4f45091
SHA3-384 hash:	13becfe24cdb3a6718093060718e94366ac94a01d4cfbf3e2a0d6fa21310b8d6773dc19e5ac83a72f003288502fb7250
SHA1 hash:	fad6cf95dd3d69da49625206af95ed290d147071
MD5 hash:	7a892536b121f9d0952eb98fd340bc78
humanhash:	eight-aspen-tennis-finch
File name:	TTCOPY.zip
Download:	download sample
Signature	Formbook Create hunting rule
File size:	606'661 bytes
First seen:	2025-03-05 11:30:15 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	12288:ZTz05fE4Ha/TGgXYHUk+fsIpeX1PnJdb27rpF9xTFFU+RDj75iDB+V+Dab:t0dKJmB+kHX1PXe9xTHLRDvL+Wb
TLSH	T1B8D4237ADA0A12BD437AFF05DC9865C3B2C1FD49CA83B56DE9061133A37EF74260425A
Magika	zip
Reporter	cocaman
Tags:	FormBook zip

cocaman

Malicious email (T1566.001)
From: "ronen@agrexco.com" (likely spoofed)
Received: "from [195.211.191.129] (unknown [195.211.191.129]) "
Date: "5 Mar 2025 03:29:23 -0800"
Subject: "RE: TT COPY"
Attachment: "TTCOPY.zip"

Intelligence

File Origin

# of uploads :

# of downloads :

535

Origin country :

File Archive Information

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

File name:	4FaxVAj4tnLxTFs.exe
File size:	694'272 bytes
SHA256 hash:	2dbc649f56dbbc3bc0b958929fd993b6a0dc60513c9cf95c9e577bc71534031c
MD5 hash:	d9a073ae613c2d5ce0e8baf11ab4be36
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67c83735c668b65489bf24eb

Tags:

autorun kryptik virus msil

Result

Verdict:

Unknown

File Type:

PE File

Link:

https://app.docguard.net/535363acfc5186df10bc9c0839f30ff16c62f8637c0d3109925fb5aca4f45091/results/dashboard

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/67c835d03c5f644bd943f928/reports/e013fd39-114b-4d57-b1bc-1ea52e692e8e/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/535363acfc5186df10bc9c0839f30ff16c62f8637c0d3109925fb5aca4f45091

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/535363acfc5186df10bc9c0839f30ff16c62f8637c0d3109925fb5aca4f45091

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Score:

100%

Verdict:

Malware

File Type:

Result

Malware family:

formbook

Score:

10/10

Tags:

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

Link:

https://tria.ge/reports/250305-q3l3jszqv8/

Behaviour

Enumerates system info in registry

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/535363acfc5186df10bc9c0839f30ff16c62f8637c0d3109925fb5aca4f45091

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:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

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:	Suspicious_Latam_MSI_and_ZIP_Files Create hunting rule
Author:	eremit4, P4nd3m1cb0y
Description:	Detects suspicious .msi and .zip files used in Latam banking trojan campaigns.

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)