MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff. 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 4 File information Comments 1

SHA256 hash:	4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff
SHA3-384 hash:	f9b8c1f3e1534dbc925ca4c4bb0a5e63d099195f99a0469ecc4970231590d5e11aef7918adceac739afa3ce00ffef3a6
SHA1 hash:	b2e18e2630b546d6b88e3f8078e944fd354e16e7
MD5 hash:	11ba41fee90bd5cf149cb034d733d96a
humanhash:	nine-mars-fish-pizza
File name:	11ba41fee90bd5cf149cb034d733d96a
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	250'368 bytes
First seen:	2024-07-05 13:26:35 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	5bd7927805abb9374798a618783f0c3a (2 x GCleaner)
ssdeep	6144:ILwvTHGe7ZZG0s0frgriDl3AIUacxIX1a3yv:ouTme7L1s0fMrMlQID
Threatray	40 similar samples on MalwareBazaar
TLSH	T10134F12177F0E136F667963054F0E6E15B7B7C832730924E6BA41B3E6EA26D08A74353
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	1440c4c5daee7899 (1 x GCleaner)
Reporter	zbetcheckin
Tags:	32 exe gcleaner

Intelligence

File Origin

# of uploads :

# of downloads :

374

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff.exe

Verdict:

Malicious activity

Analysis date:

2024-07-05 13:29:20 UTC

Tags:

gcleaner loader

Link:

https://app.any.run/tasks/91f0f07c-9ff9-4281-95ee-a869fbd86be5

Note:

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

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6687f667198688a994b7af85win7simulatehigh_evasion

Tags:

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:

epmicrosoft_visual_cc fingerprint lolbin microsoft_visual_cc packed shell32

Link:

https://www.filescan.io/uploads/6687f4a79fd5f9d592117442/reports/db6a5885-dbbc-4b8b-a91c-ccf4c76c0a4c/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3302676f-b706-49a5-855d-b2df4399567a

Result

Threat name:

GCleaner, Nymaim

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1468219

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Yara detected GCleaner

Yara detected Nymaim

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff/

Threat name:

Win32.Trojan.GCleaner

Status:

Malicious

First seen:

2024-07-05 13:27:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=i6d4prwiizbjmlnzcvmz7p3ubaxfx62s7lguzyiufu4pg6at237q._file

Verdict:

malicious

GCleaner

3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c

GCleaner

55bfc4f6664eeab47ac132a9bebc81232c64ce420e44e1192cff4fdcacc91cae

GCleaner

8c055d9a75cbb4ad28940ed89fddee3a80c933c40cd75796f716153c772325e4

GCleaner

f4146aecc21e1413da1fec7e17e20a6fb90adc191c82239b24f178251baddb14

GCleaner

+ 30 additional samples on MalwareBazaar

Result

Malware family:

gcleaner

Score:

10/10

Tags:

family:gcleaner loader

Link:

https://tria.ge/reports/240705-qp3s5syglm/

Behaviour

GCleaner

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/c1595f00-f05f-4106-899d-f41e0a90ad42

Unpacked files

SH256 hash:

4952bdcedd7e1b79a220f6aa4e60e8161e5b18a6dc587c14f98052be633df538

MD5 hash:

217b817f890ef7fc49dc9207d55d2a01

SHA1 hash:

c25b4b908a3f7e2ebc24a837fc311f2cba168447

Detections:

GCleaner

win_gcleaner_auto

Link:

https://www.unpac.me/results/30536a03-33e7-4b6d-bf6c-cb7254d42fb0/

Parent samples :
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SH256 hash:

4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff

MD5 hash:

11ba41fee90bd5cf149cb034d733d96a

SHA1 hash:

b2e18e2630b546d6b88e3f8078e944fd354e16e7

Link:

https://www.unpac.me/results/30536a03-33e7-4b6d-bf6c-cb7254d42fb0/

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/4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff

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

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

File information

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

Web download

GCleaner

exe 4787c7c6c84642962db915599fbf74082e5bfb52facd4ce1142d38f37813d6ff

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2934398/

URLhaus

https://urlhaus.abuse.ch/url/2934399/

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
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::CopySid
SHELL_API	Manipulates System Shell	SHELL32.dll::FindExecutableA
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleInputA KERNEL32.dll::GetConsoleAliasesLengthW
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileA KERNEL32.dll::ReplaceFileW KERNEL32.dll::GetWindowsDirectoryA ADVAPI32.dll::BackupEventLogW
WIN_HTTP_API	Uses HTTP services	WINHTTP.dll::WinHttpWriteData

Comments

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zbet commented on 2024-07-05 13:26:36 UTC

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