MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59. 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: 18

Intelligence 18 IOCs YARA 17 File information Comments

SHA256 hash:	2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59
SHA3-384 hash:	3fa82c4df3273cccf30e7ad466814b87903e3f261c12277577c635dfb4af0d8bfa5093815972d3048c5d37ef5c881d8e
SHA1 hash:	560125b207ddc8762f87c979d9e8ec39354da533
MD5 hash:	a8e6456468f0dbb0a7bb4bf688f9afc8
humanhash:	twelve-ohio-sodium-orange
File name:	2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59
Download:	download sample
Signature	Formbook Create hunting rule
File size:	709'632 bytes
First seen:	2025-12-08 14:31:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	ef471c0edf1877cd5a881a6a8bf647b9 (83 x Formbook, 33 x Loki, 31 x Loda)
ssdeep	12288:KOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiwjc/f7V3Bk4xl8HcrmEIHL6Qsg8YG:Kq5TfcdHj4fmbV0fJ3BGSGkg5iEK6FyR
Threatray	2'220 similar samples on MalwareBazaar
TLSH	T1A1E423106488CCA2E661633581BECF5509537E32CF49B76D67E9F697B8B1343988332E
TrID	33.9% (.EXE) UPX compressed Win32 Executable (27066/9/6) 33.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 13.1% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	adrian__luca
Tags:	exe FormBook UPX

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	709'632 bytes
File size (de-compressed) :	1'195'008 bytes
Format:	win32/pe
Unpacked file:	65f8634f1ce02e29a2ab4cbf72194b785b9f94533c0240ca79b01bbc0469bc0a

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/34bb1cb0-f5e9-4815-ac6f-ac105b32f9ca/

Malware family:

n/a

ID:

File name:

2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59

Verdict:

Malicious activity

Analysis date:

2025-12-08 14:52:00 UTC

Tags:

auto-startup

Link:

https://app.any.run/tasks/f6509c03-3e8b-4ad1-bcb6-809a23202509

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/43031/

Detection(s):

SecuriteInfo.com.W32.Trojan.VORE-2106.1542.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6936e155881313558a2b825b

Tags:

autorun autoit

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug autoit compiled-script control fingerprint hacktool installer-heuristic lolbin microsoft_visual_cc packed packed packed upx

Link:

https://www.filescan.io/uploads/6936e13dbba50eaf04270a55/reports/d683b815-7133-4555-8c39-f69aec8a5ac5/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-10T00:25:00Z UTC

Last seen:

2025-12-10T09:15:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/10c7461f-3ab7-4469-b0dd-4677f735c9fb

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59

Verdict:

Malware

YARA:

5 match(es)

Tags:

AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/a8e6456468f0dbb0a7bb4bf688f9afc8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-11-10 03:24:30 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

28 of 36 (77.78%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fuplywehnib5x6geftywoftgkr2houwwm2mnmyrr6gr6xsbqrrmq._file

Verdict:

malicious

Label(s):

formbook

autoit

Formbook

44eb0ca230176e7653e8287dac64b16e4cfde7088635498e52d802d8a3dcb7e9

Formbook

62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365

Formbook

69ae2e849e4b148f879630ae9e3a4f991602cc6a658dd732dd775c31839d69ce

Formbook

72e85d4b56147bbf739b9d717f2274a1a0bfb44188ba6d394e2829b8a4e024ed

Formbook

b018350b6bc1b79b22a9a03738f76bcb67e7bc635857b89eb02f4a8a3e67f78c

Formbook

b5f7ce31c9333182fd55674e84e7a60e21cfdc92cf6b3b7286be53923a03386c

Formbook

d80e5353fa1942cb04ab1f9616e401835a42d292e4b4630a79340f1776eebe8b

Formbook

f31a0ca445b46f1e75c7bf2f7cdf8eba57561df4886d4a534124fdc15daed592

Formbook

fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1

Formbook

+ 2'210 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan upx

Link:

https://tria.ge/reports/251208-rvxpraykcj/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

UPX packed file

Drops startup file

Executes dropped EXE

Formbook payload

Formbook family

Formbook

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/ea68b6fc-1649-481a-9725-d7528ad5c8be

Unpacked files

SH256 hash:

2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59

MD5 hash:

a8e6456468f0dbb0a7bb4bf688f9afc8

SHA1 hash:

560125b207ddc8762f87c979d9e8ec39354da533

Link:

https://www.unpac.me/results/4598ce3c-a5c2-4513-88fc-4109a4ac7f47/

SH256 hash:

beb083916c0287752dc4823c0cea4b443b7e710587159ed6dd07592b12d743dd

MD5 hash:

4c4d1a12304ba2cb73a4ce110e695c25

SHA1 hash:

5638d057170c35e15dac32f2fbe700d6157794b3

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/4598ce3c-a5c2-4513-88fc-4109a4ac7f47/

Parent samples :
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SH256 hash:

8cc9dc2e10902f45f7c98f1c365871795f0a6f3f44fafab82c68e1725b9d39eb

MD5 hash:

a5ca2815e7f0d0bb95b5f18c56c454a2

SHA1 hash:

88e63051d922be0a64d0538adcdf20db3b5633d1

Link:

https://www.unpac.me/results/4598ce3c-a5c2-4513-88fc-4109a4ac7f47/

SH256 hash:

29713a37a63258220751a567ccae13cdb5c6ed9b8503fe26c93e4d123972ce27

MD5 hash:

038ded4b57d2387f2894435543ff57ef

SHA1 hash:

f7a1845b1e98be88ee970e0085a24fcc88fc0bf6

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/4598ce3c-a5c2-4513-88fc-4109a4ac7f47/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2d1ebc58876a/report/overview.html

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/2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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:	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:	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:	TH_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection Rule - 2025
Reference:	https://cyfare.net/

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Formbook

exe 2d1ebc58876a03dbf8c42cf167166654747752d66698d66231f1a3ebc8308c59

(this sample)

Formbook

exe 65f8634f1ce02e29a2ab4cbf72194b785b9f94533c0240ca79b01bbc0469bc0a

Cape

https://www.capesandbox.com/analysis/43031/

Dropping

SHA256 65f8634f1ce02e29a2ab4cbf72194b785b9f94533c0240ca79b01bbc0469bc0a

Dropping

MD5 f50cce33f0df73499b5773401b2da317

Comments

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