MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538. 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: 16

Intelligence 16 IOCs YARA 7 File information Comments 1

SHA256 hash:	4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538
SHA3-384 hash:	ee1ca879f07a644b1777477d3a4a9295d8249257f7c6a8a0ef43cf527db78cbed4c08ff033a2d690ed4bfae17541c447
SHA1 hash:	c25b4b908a3f7e2ebc24a837fc311f2cba168447
MD5 hash:	217b817f890ef7fc49dc9207d55d2a01
humanhash:	oven-autumn-blossom-apart
File name:	217b817f890ef7fc49dc9207d55d2a01
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	240'128 bytes
First seen:	2024-07-05 12:38:59 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	3d373b41f750cfe34bc80626c0be52b2 (5 x GCleaner, 1 x Nymaim)
ssdeep	6144:L+O9JN4U5IrZpH5zmKaHVkq8xC2Y+POeMSzeQC81SxSAthE+BHgtTjEbDiLca6y9:L+O9JNaZpH5zmKaHVkq8xC2Y+POeMSzL
Threatray	135 similar samples on MalwareBazaar
TLSH	T1B0348D1074A2C872E5B2013518E8DBF6852DBC300B6559EBB7D41F7E9E702D29632E7B
TrID	32.2% (.EXE) Win64 Executable (generic) (10523/12/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	zbetcheckin
Tags:	32 exe gcleaner

Intelligence

File Origin

# of uploads :

# of downloads :

312

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538.exe

Verdict:

Malicious activity

Analysis date:

2024-07-05 12:43:20 UTC

Tags:

gcleaner loader

Link:

https://app.any.run/tasks/a47c799e-d0d6-46e6-ae42-327080900282

Note:

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

Detection(s):

Win.Malware.Zusy-10031670-0

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6687ea90198688a994b7acd6win10vpnfull_triage

Tags:

Infostealer Network Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending an HTTP GET request to an infection source

Connection attempt to an infection source

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

crypto epmicrosoft_visual_cc fingerprint gcleaner lolbin microsoft_visual_cc shell32

Link:

https://www.filescan.io/uploads/6687e9829fd5f9d592117398/reports/edfca2fa-8418-4598-9aec-4790e171154e/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Gathering data

Result

Threat name:

GCleaner, Nymaim

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1468188

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Found potential dummy code loops (likely to delay analysis)

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Yara detected GCleaner

Yara detected Nymaim

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-07-05 12:39:13 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jfjl3tw5pynxtira62ve4yhicypfwgfg3rmhyfhzqbjl4yz56u4a._file

Verdict:

malicious

GCleaner

55bfc4f6664eeab47ac132a9bebc81232c64ce420e44e1192cff4fdcacc91cae

GCleaner

66eb7fee3043bc8f34bef23ad5bca3b4a19848ec5018b2cd27cc1aaf8f6c8995

GCleaner

6a41f4693bf480f6b8957759f250b4ff8cff871b0c36e4b8fb6d00e378e38a4d

GCleaner

8c055d9a75cbb4ad28940ed89fddee3a80c933c40cd75796f716153c772325e4

GCleaner

dbf6f9bca73a3177afd8a2aea09fadba98f9ff0b4515a6b7c209b60eb08b5e89

GCleaner

+ 125 additional samples on MalwareBazaar

Result

Malware family:

gcleaner

Score:

10/10

Tags:

family:gcleaner

Link:

https://tria.ge/reports/240705-pvl7xaycml/

Behaviour

Suspicious behavior: GetForegroundWindowSpam

Malware Config

C2 Extraction:

185.172.128.90
77.105.160.30
185.172.128.69

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/0f713e10-c85c-4743-bef7-a066b3d292c9

Unpacked files

SH256 hash:

4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538

MD5 hash:

217b817f890ef7fc49dc9207d55d2a01

SHA1 hash:

c25b4b908a3f7e2ebc24a837fc311f2cba168447

Detections:

GCleaner

win_gcleaner_auto

Link:

https://www.unpac.me/results/ac43c437-e11a-42ca-ac20-fdcbe1c7a1bf/

Parent samples :
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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/4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538

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

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	win_gcleaner_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.gcleaner.

File information

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

Web download

GCleaner

exe 4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2934405/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteA
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::OpenProcess KERNEL32.dll::CloseHandle WININET.dll::InternetCloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::CreateFileW KERNEL32.dll::FindFirstFileA KERNEL32.dll::GetTempPathA
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::GetUserNameA
WIN_CRYPT_API	Uses Windows Crypt API	ADVAPI32.dll::CryptAcquireContextW ADVAPI32.dll::CryptCreateHash ADVAPI32.dll::CryptDecrypt ADVAPI32.dll::CryptDeriveKey ADVAPI32.dll::CryptHashData

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

zbet commented on 2024-07-05 12:39:00 UTC

url : hxxp://77.105.132.5/oorigg/univ.exe