MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 493b81b89f666bd76ff528664e50955615a1c39df269c0b987ca122a1f133bf9. 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: 4

Intelligence 4 IOCs YARA 7 File information Comments

SHA256 hash:	493b81b89f666bd76ff528664e50955615a1c39df269c0b987ca122a1f133bf9
SHA3-384 hash:	f49c39add504522decd14aeb42af4794f395d2c925060e6f374d03a0b3fba542e86639f8cc64780ab1b2ce8583828aac
SHA1 hash:	4ae869494493744e7be2082d3480333d35c7e697
MD5 hash:	901398e49ab36db14535f0156c584c89
humanhash:	autumn-arkansas-arizona-robin
File name:	A2028041200SD..rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	701'953 bytes
First seen:	2024-11-25 09:36:26 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:wmo3PV4uHI6+oefOweP+LS2w9LQ1EMeS3gPDz/fI/G5QzV0DTxOqgGSH146:XuF+dfrVS2w9LsCbz/g9zV0YqnSy6
TLSH	T186E4339A3D362291C63DD4F7A695863ACF1810939400C4E6A06ADF593E7F4EF133E876
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: "Fan Zhenzhen <agf@fosroc.com>" (likely spoofed)
Received: "from fosroc.com (unknown [45.137.22.248]) "
Date: "24 Nov 2024 22:24:40 -0800"
Subject: "=?UTF-8?B?UkU6IDEwLzEw77yabmV3IFJGUSBmb3IgVGVyYWR5bmU=?="
Attachment: "A2028041200SD..rar"

Intelligence

File Origin

# of uploads :

# of downloads :

112

Origin country :

File Archive Information

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

File name:	A2028041200SD..exe
File size:	1'207'808 bytes
SHA256 hash:	1f34277db210da7c0c6523afe19d14c436d995fe37165665f11cb2c23204b2e6
MD5 hash:	c986b78a1a48072903516a2d652d0159
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.27121.RarHeur.NoDP.UNOFFICIAL

SecuriteInfo.com.Suspected-exe-in-RAR-2.UNOFFICIAL

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67444541b31374f09834401d

Tags:

autoit emotet

Gathering data

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/493b81b89f666bd76ff528664e50955615a1c39df269c0b987ca122a1f133bf9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/493b81b89f666bd76ff528664e50955615a1c39df269c0b987ca122a1f133bf9/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2024-11-25 09:36:28 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=je5ydoe7mzv5o37vfbte4uevkyk2dq456ju4bomhzijcuhythp4q._file

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/241125-mpdmgaynhk/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

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

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:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

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)