MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81ce9fc4460358010edd5b6939c3cdb9e25831868bc33ddb4f23a473ab467ff4. 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

GCleaner

Vendor detections: 14

Intelligence 14 IOCs YARA 30 File information Comments

SHA256 hash:	81ce9fc4460358010edd5b6939c3cdb9e25831868bc33ddb4f23a473ab467ff4
SHA3-384 hash:	1734eb3444d5b85f0ea327f689a5a93bae2227008d2ee1e205a525de7b72425d4d2bd81990056840d68decb0ff97ff5b
SHA1 hash:	43a86a5aeb436108b5d2c17c3cdfc097bd6fb607
MD5 hash:	753270b3843109dcb5f1ce2f2d095b06
humanhash:	arizona-kansas-oklahoma-texas
File name:	setup_euone.bin
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	956'176 bytes
First seen:	2026-10-05 17:52:22 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	b01b7a7d0c9d9b9bf573a0fc6aed5d5a (1 x GCleaner)
ssdeep	12288:l8KmI/ZglLGRQVQYNc/qSsdMy6cyPYib49hX6G7oGUVicfPo3OqfPjKMgqMALFB7:1FOBVPNcLsivHiX6nTqfPvlL79EUt
TLSH	T107157E62A3934433D1722A7D9C2B52649B2A7F036D37E54A27F40F482F3924D76363A7
TrID	52.9% (.EXE) Win32 Executable Delphi generic (14182/79/4) 16.8% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) Win16/32 Executable Delphi generic (2072/23) 7.5% (.EXE) OS/2 Executable (generic) (2029/13) 7.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	399998ecd4d46c0e (573 x Quakbot, 337 x GCleaner, 137 x ArkeiStealer)
Reporter	aachum
Tags:	dropped-by-OffLoader exe gcleaner

iamaachum

http://91.92.242.236/setup?name=euone

Intelligence

File Origin

# of uploads :

# of downloads :

205

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-10-05 18:05:10 UTC

Tags:

gcleaner loader

Link:

https://app.any.run/tasks/fce7c774-8278-4b70-806f-49f746e3d357

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/90775/

Detection(s):

SecuriteInfo.com.Trojan.Inject7.4418.13659.22903.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6acf89176f551121ba15439e

Tags:

cobalt delphi

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Launching a process

DNS request

Connection attempt

Connection attempt to an infection source

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-debug borland_delphi expired-cert fingerprint invalid-signature keylogger masquerade packed signed

Link:

https://www.filescan.io/uploads/6ac3e411b1bde7227b86b1ab/reports/330a4a9a-4f5e-4010-af37-73ca33b496d8/overview

Verdict:

Malicious

Labled as:

GenKryptik_AGeneric.CHO trojan

Link:

https://www.hybrid-analysis.com/sample/81ce9fc4460358010edd5b6939c3cdb9e25831868bc33ddb4f23a473ab467ff4

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-10-05T15:55:00Z UTC

Last seen:

2026-10-06T19:45:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/81ce9fc4460358010edd5b6939c3cdb9e25831868bc33ddb4f23a473ab467ff4/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/24bc8991-8b24-48f3-b829-6fcbf2d0e94a

Result

Threat name:

CryptOne, GCleaner

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1982592

Signature

Allocates memory in foreign processes

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

Found malware configuration

Hijacks the control flow in another process

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Injects a PE file into a foreign processes

Multi AV Scanner detection for submitted file

Overwrites code with unconditional jumps - possibly settings hooks in foreign process

System process connects to network (likely due to code injection or exploit)

Tries to detect sleep reduction / modifications

Unusual module load detection (module proxying)

Writes to foreign memory regions

Yara detected CryptOne packer

Yara detected GCleaner

Behaviour

Behavior Graph:

Download SVG

Score:

92%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/81ce9fc4460358010edd5b6939c3cdb9e25831868bc33ddb4f23a473ab467ff4

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 32 Exe x86

Link:

https://app.malva.re/file/753270b3843109dcb5f1ce2f2d095b06

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/81ce9fc4460358010edd5b6939c3cdb9e25831868bc33ddb4f23a473ab467ff4/

Threat name:

Win32.Trojan.GCleaner

Status:

Malicious

First seen:

2026-10-05 17:53:25 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

30 of 38 (78.95%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qhhj7rcganmacdw5lnuttq6nxhrfqmmgrpbt3w2peoshhk2gp72a._file

Result

Malware family:

gcleaner

Score:

10/10

Tags:

family:gcleaner defense_evasion discovery loader privilege_escalation

Link:

https://tria.ge/reports/261005-wgdryaad76/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Family: GCleaner

Suspicious use of NtCreateUserProcessOtherParentProcess

Malware Config

C2 Extraction:

185.156.73.98

Unpacked files

SH256 hash:

81ce9fc4460358010edd5b6939c3cdb9e25831868bc33ddb4f23a473ab467ff4

MD5 hash:

753270b3843109dcb5f1ce2f2d095b06

SHA1 hash:

43a86a5aeb436108b5d2c17c3cdfc097bd6fb607

Link:

https://www.unpac.me/results/cf7c1bbe-9217-4e94-8c5b-ba254f82d2aa/

SH256 hash:

a02bb7f7b8c1fac3ea6d5e8b06dea466e1abb1a54f9bb22d2a725f7feeef9ef6

MD5 hash:

1cd27ca75d97b1ed6a4aad8c28ffe5d0

SHA1 hash:

b6a162bc96337a6dc263a6055ed69d949b045567

Detections:

GCleaner

Link:

https://www.unpac.me/results/cf7c1bbe-9217-4e94-8c5b-ba254f82d2aa/

Malware family:

GCleaner

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/81ce9fc44603/report/overview.html

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:	BobSoftMiniDelphiBoBBobSoft Create hunting rule
Author:	malware-lu

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

Rule name:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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__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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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

Rule name:	Suspicious_Process Create hunting rule
Author:	Security Research Team
Description:	Suspicious process creation

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	WIN_Malware_SliverFox_ForgeAuto_c1e18461 Create hunting rule
Author:	Marjoriefort
Description:	Detects SliverFox (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_1762e598_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_2e3a5916_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_30f84f37 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_4286e0e1_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_598a7881_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_6422f546_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_74566f98 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_79234c04 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_99cdfd72_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_bd254b5c_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_f5d58a9e_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

File information

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

Web download

GCleaner

exe 81ce9fc4460358010edd5b6939c3cdb9e25831868bc33ddb4f23a473ab467ff4

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/90775/

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