MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130. 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: 20

Intelligence 20 IOCs YARA 18 File information Comments

SHA256 hash:	2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130
SHA3-384 hash:	fe7387c28f472f12f1f31e8f5a6192654e3da70b9c0781341b9ce785638b1874ee80060168bfd6a93495b09aa47ce4e9
SHA1 hash:	42b273f94ed562dc2818e15fc027779c44a96d0c
MD5 hash:	8589cf7187567a34e487cc53ecfe2285
humanhash:	summer-kansas-queen-jersey
File name:	PI-HY241018MI14 K629.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	718'336 bytes
First seen:	2025-12-08 10:27:36 UTC
Last seen:	2026-01-09 15:22:44 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	21371b611d91188d602926b15db6bd48 (73 x Formbook, 60 x AgentTesla, 21 x RemcosRAT)
ssdeep	12288:6z7hU5I5yuNHIgzSFKxWltRohBfSTso93Uq2FjooFN9q7+YsrC+HvW8AjlFQboe6:6f+iN57Gtene3tk0o1qXsrCQv2jlFQ03
Threatray	2'159 similar samples on MalwareBazaar
TLSH	T151E4238295C1AEE4D1907331843ACC605A383E31AE15B7364B6DF12E6C753D7F963A2E
TrID	39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6) 38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 7.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	cocaman
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

101

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

AutoIt PEPacker

Details

AutoIt

extracted scripts and files

PEPacker

a UPX version number and an unpacked binary

Link:

https://research.acce.ciphertechsolutions.com/results/0f6e2793-3b9d-4fbd-8328-534ff9af0ae4/

Malware family:

n/a

ID:

File name:

PI-HY241018MI14 K629.exe

Verdict:

Malicious activity

Analysis date:

2025-12-08 10:29:26 UTC

Tags:

auto-startup

Link:

https://app.any.run/tasks/0b5dbedd-6d3b-4157-8083-98023f90553c

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/42980/

Detection(s):

SecuriteInfo.com.Trojan.AutoIt.1413.17876.11912.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6936a842db58e1a2c22b7d2c

Tags:

autorun autoit

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

autoit compiled-script microsoft_visual_cc packed packed packed upx

Link:

https://www.filescan.io/uploads/6936a83fbba50eaf0426a6a4/reports/7454a94f-1983-48e5-addd-f29d8d013fd4/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-28T06:47:00Z UTC

Last seen:

2025-12-09T19:02:00Z UTC

Hits:

~1000

Detections:

Trojan.Win32.Agent.sb Trojan-Spy.Win32.Noon.bopy Trojan-Spy.Win32.Noon.bojr Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb VHO:Trojan.Win32.AutoItScript.gen Trojan-Spy.Win32.Noon.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.Win32.Zenpak.sb Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Dorifel.sbd VHO:Trojan-Spy.Win32.Noon.bopy

Link:

https://opentip.kaspersky.com/2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b4e9156f-9b10-4696-89c6-34ab76cb3fe4

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1828703

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

Binary is likely a compiled AutoIt script file

Drops VBS files to the startup folder

Joe Sandbox ML detected suspicious sample

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queues an APC in another process (thread injection)

Sigma detected: Drops script at startup location

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Unusual module load detection (module proxying)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130

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/8589cf7187567a34e487cc53ecfe2285

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130/

Verdict:

Malicious

Threat:

Family.FORMBOOK

Link:

https://tip.neiki.dev/file/2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-11-28 09:52:37 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=fks44nlb3rsxufluma4dy7e3rw2uvsfgs2lcoae4ruigemlkmeya._file

Verdict:

malicious

Label(s):

formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan upx

Link:

https://tria.ge/reports/251208-mhr7aads9b/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

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

Formbook family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/76035046-7a44-479c-b659-b7ce41967f28

Unpacked files

SH256 hash:

bca978330944842a1e41f96c687c7abb17c7e2c2dead97b32b0fe93350ab6ae4

MD5 hash:

f8a94a2ec81a38282cb918e98d5e6e8c

SHA1 hash:

a98a76b025575087d6a71b4c0f3ed4f12ec97be0

Link:

https://www.unpac.me/results/7281b602-81c2-4cd7-9783-5a03394ee7eb/

SH256 hash:

cf7d5f0d04da86a44901e988105faf4bed4d1e78a894d0a2a175ec8a21d0d7bc

MD5 hash:

f490fc45ede9b2d5f69b5d4b9b5cafb0

SHA1 hash:

411bd1ab0c940c519c8f3cecf6521c98d2e21cf1

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/7281b602-81c2-4cd7-9783-5a03394ee7eb/

Parent samples :
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SH256 hash:

e071dd1330e7b22ae04827e1d9ee97885b2391acde8272649616d6db28298f47

MD5 hash:

003dccd3271ca4af63c922be23cfb8db

SHA1 hash:

e9910bc7307182e3a48eb4d1124c48b71cbfa0f4

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/7281b602-81c2-4cd7-9783-5a03394ee7eb/

SH256 hash:

2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130

MD5 hash:

8589cf7187567a34e487cc53ecfe2285

SHA1 hash:

42b273f94ed562dc2818e15fc027779c44a96d0c

Link:

https://www.unpac.me/results/7281b602-81c2-4cd7-9783-5a03394ee7eb/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2aa5ce3561dc/report/overview.html

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/2aa5ce3561dc657a157460383c7c9b8db54ac8a6969627009c8d1062316a6130

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