MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 263d16d8918065e5214c4c16feee62dded32e4db22574f89aa4e439916bd39eb. 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 8 File information Comments

SHA256 hash:	263d16d8918065e5214c4c16feee62dded32e4db22574f89aa4e439916bd39eb
SHA3-384 hash:	95fbc9962b4927a854d009635c9965710c912023ce3ac4053df3414ec9444adf0212f8c6a5773438353f03b30354d860
SHA1 hash:	85c95fcdeeb4d10a26694c60b2cd7326e70b29c3
MD5 hash:	c6586ac76b40e80b43981aeae420d685
humanhash:	fillet-neptune-georgia-five
File name:	Revised Invoice Vt-1307701765400112977.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	693'388 bytes
First seen:	2025-03-05 02:45:37 UTC
Last seen:	2025-03-05 10:33:41 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:3yAgAGSPuCnxYdJkacjdK2t9tyqDJmKDN6m5WlrgK1PTE:3yAtvGCxYdJkacB1t9tTJmKDA+YrgYTE
TLSH	T1D0E423BBF7B0A717D5CAF1398541AF3399BBE4B4CE1BC7534DE44257228B8544872A08
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 INVOICE payment rar

cocaman

Malicious email (T1566.001)
From: "=?UTF-8?B?Sm9zw6kgRW5yaXF1ZSBOYXZhcnJv?= <jose.navarro@ciconea.com>" (likely spoofed)
Received: "from ciconea.com (unknown [185.222.58.94]) "
Date: "05 Mar 2025 02:32:09 -0800"
Subject: "Confirmation of Updated Payment Details"
Attachment: "Revised Invoice Vt-1307701765400112977.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

116

Origin country :

File Archive Information

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

File name:	Revised Invoice Vt-1307701765400112977.exe
File size:	1'188'352 bytes
SHA256 hash:	ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012
MD5 hash:	2c664fe09b80a39ad8ee155df91a64e8
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=67c7bd25c8d04e92a4bf00f6

Tags:

autorun autoit emotet

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/263d16d8918065e5214c4c16feee62dded32e4db22574f89aa4e439916bd39eb

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/263d16d8918065e5214c4c16feee62dded32e4db22574f89aa4e439916bd39eb/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-03-05 02:45:41 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=ey6rnwerqbs6kikmjqlp53tc3xwtfzg3ejlu7cnkjzbzsfv5hhvq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/250305-gtahqaz1d1/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Drops startup file

Executes dropped EXE

Loads dropped DLL

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/263d16d8918065e5214c4c16feee62dded32e4db22574f89aa4e439916bd39eb

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

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

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

Rule name:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

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)