MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c3eadc4f7c08ebd652e9fdf54d8e71d234cbedfeb314ecf13dc41c0f7733eaf. 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 20 File information Comments

SHA256 hash:	3c3eadc4f7c08ebd652e9fdf54d8e71d234cbedfeb314ecf13dc41c0f7733eaf
SHA3-384 hash:	e5dfa1e4bc961beb868c5da8ac96717d407bfef296377e88dc96a9e0de4a4065e9a58024c9cf2ffcfaee722b5ea1f089
SHA1 hash:	2e0e1ad02aaacbf5d0744c455c9d1211e6a42f9d
MD5 hash:	42f06ec830c005559397040ef47be152
humanhash:	kansas-louisiana-golf-hawaii
File name:	INVOICE.zip
Download:	download sample
Signature	Formbook Create hunting rule
File size:	649'129 bytes
First seen:	2025-03-14 07:26:45 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	12288:1+d4XkmsoctSVx5DIA5wkH16wzIffehCKME776XKQ7BHU5uBX/8WE2MtNzNA2dmx:1w4HcYVx5kUB2R7p7mA8V9tNRFdmv83k
TLSH	T120D4233EE1B9E404A74BDA0F4811796A69297C7C337243099D95F6B3324FD7A7E36220
Magika	zip
Reporter	cocaman
Tags:	FormBook INVOICE zip

cocaman

Malicious email (T1566.001)
From: "secretariat@citainsp.org" (likely spoofed)
Received: "from [195.211.191.129] (unknown [195.211.191.129]) "
Date: "13 Mar 2025 23:46:42 -0700"
Subject: "RE: INVOICE"
Attachment: "INVOICE.zip"

Intelligence

File Origin

# of uploads :

# of downloads :

477

Origin country :

File Archive Information

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

File name:	FRj8jsPL59L2bmq.exe
File size:	746'496 bytes
SHA256 hash:	f2d754008958e2c90dbac5f60958e0add5403563e51f5414599d35f88cd0db2b
MD5 hash:	216ab54a1a4dd6973c9ce706cb010113
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67d3d80a3962f1a6f47128c9

Tags:

stration shell spawn

Result

Verdict:

Unknown

File Type:

PE File

Link:

https://app.docguard.net/3c3eadc4f7c08ebd652e9fdf54d8e71d234cbedfeb314ecf13dc41c0f7733eaf/results/dashboard

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/67d3da4a0a7899f357959e83/reports/7b02bd41-44de-4067-afea-41da640ae9d5/overview

Verdict:

Suspicious

Labled as:

Ransom.Wacatac

Link:

https://www.hybrid-analysis.com/sample/3c3eadc4f7c08ebd652e9fdf54d8e71d234cbedfeb314ecf13dc41c0f7733eaf

Result

Verdict:

UNKNOWN

Link:

https://labs.inquest.net/dfi/sha256/3c3eadc4f7c08ebd652e9fdf54d8e71d234cbedfeb314ecf13dc41c0f7733eaf

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/250314-jd6bkayn15/

Behaviour

Gathers network information

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

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/3c3eadc4f7c08ebd652e9fdf54d8e71d234cbedfeb314ecf13dc41c0f7733eaf

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:	DebuggerException__SetConsoleCtrl 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)