MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecfd2874f1fce615e647c8917b74870d6fccb7b7c8a6b1ab7e500b596e4f2265. 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 31 File information Comments

SHA256 hash:	ecfd2874f1fce615e647c8917b74870d6fccb7b7c8a6b1ab7e500b596e4f2265
SHA3-384 hash:	78dbd325595cd78fad1dc6151d0e8e47162cd9ee16b45f36395e04f7ae5dea246673bbd11af41a38ba5470be166643af
SHA1 hash:	52f2bc2885e8ee9cd4dfc6a240800c6214ef65b0
MD5 hash:	ea883917d361994d6a82627d53d9f418
humanhash:	princess-louisiana-sweet-bravo
File name:	PRODUCTION 1127UC.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	748'390 bytes
First seen:	2025-06-23 22:44:35 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:bGOCOn46N69cImmtfPgPBZX/x3Ape+vrfYL+dGHqXR6Y1gm2DxBP9YtaaWI0RjUt:sZ6NFjmtEB9Jwpe+DfYydJxm9YtabJGt
TLSH	T1BBF433E656119FC0E42F406D4DA59EA02DC8BCD5979FF2C3A79209C31B8A8F5C06DCD9
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: "MUN |Accounting <kit@migenetika.com>" (likely spoofed)
Received: "from mx2.dreamhost.com (unknown [89.185.82.75]) "
Date: "23 Jun 2025 15:43:37 -0700"
Subject: "SC Documents for GIGDEC13915 "
Attachment: "PRODUCTION 1127UC.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

123

Origin country :

File Archive Information

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

File name:	PRODUCTION 1127UC.exe
File size:	1'274'368 bytes
SHA256 hash:	fc10f8a2cb7e5b03783b730fd3446f94ad4f86276ef9259a73b2bcba910da11d
MD5 hash:	ec89cdaeafe42f9ab99f71428afa4a4e
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=6859d939b06783b9ebd6c35b

Tags:

autoit emotet

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script evasive fingerprint fingerprint keylogger microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/6859d9253faf8fcd7d3dafff/reports/fd0a3f9d-c2c2-4e0f-b142-73ea7b766557/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/ecfd2874f1fce615e647c8917b74870d6fccb7b7c8a6b1ab7e500b596e4f2265

Verdict:

Malware

YARA:

1 match(es)

Tags:

AutoIt Decompiled Executable PE (Portable Executable) Rar Archive Suspect

Link:

https://app.malva.re/file/ea883917d361994d6a82627d53d9f418

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ecfd2874f1fce615e647c8917b74870d6fccb7b7c8a6b1ab7e500b596e4f2265/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-06-23 22:44:38 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=5t6sq5hr7ttblzshzcixw5ehbvx4zn5xzctldk36kafvs3spejsq._file

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ecfd2874f1fce615e647c8917b74870d6fccb7b7c8a6b1ab7e500b596e4f2265

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:	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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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

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)

Rule name:	Windows_Generic_Threat_aeaeb5cf Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Formbook Create hunting rule
Author:	@malgamy12

Rule name:	Windows_Trojan_Formbook_1112e116 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach