MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587. 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: 13

Intelligence 13 IOCs YARA 7 File information Comments 1

SHA256 hash:	b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587
SHA3-384 hash:	cdc29fff892530c6901a372ce7d9baa13d1f31c5f2ab9d5f3a9377bdbcc4af1e5cc06da645525f41cb0a563be7e9daf6
SHA1 hash:	31f3d75c81011a61be69464920fefe97469b2b6e
MD5 hash:	125c20de28795b115fc57f281612bb1c
humanhash:	failed-winter-william-bakerloo
File name:	125c20de28795b115fc57f281612bb1c
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	245'760 bytes
First seen:	2024-03-09 08:22:12 UTC
Last seen:	2024-03-09 10:22:02 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2d3b460caa86ad92cecbea0585c3a401 (1 x Stealc, 1 x GCleaner)
ssdeep	6144:+aAutLnZhFnStJfRgKZQdqCxe30RP+Mzb:EYLZu/pdZQs+e30V+q
Threatray	8 similar samples on MalwareBazaar
TLSH	T16B34E012B2F08832D5E355305CB087E159BFBC922760918F57983B7FAFA2AD04A7435B
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	19d8cab2d4e0f85c (1 x GCleaner)
Reporter	zbetcheckin
Tags:	32 exe gcleaner

Intelligence

File Origin

# of uploads :

# of downloads :

330

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587.exe

Verdict:

Malicious activity

Analysis date:

2024-03-09 08:24:15 UTC

Tags:

gcleaner loader

Link:

https://app.any.run/tasks/2216d46a-6641-4586-b2e8-2b04f25cd8d8

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/478281/

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.14591.31722.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

DNS request

Connection attempt

Sending an HTTP GET request

Creating a file in the %temp% directory

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

packed xpack

Link:

https://www.filescan.io/uploads/65ec1c67fc3fe20efe637d37/reports/b65eda3a-c20a-45bb-90fe-1bdcf991e89f/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587

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/4eb9122a-6508-4582-9134-3d6393f8dd9d

Result

Threat name:

GCleaner, Nymaim

Detection:

malicious

Classification:

troj

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/1405778

Signature

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Found malware configuration

Machine Learning detection for sample

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/b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-03-09 08:23:10 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

12 of 24 (50.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xhovwuisemwdezvteytr2jgc3cxym2rynq2pwlkm2pcbj6mvwwdq._file

Verdict:

malicious

GCleaner

9d11715b5fe2c2885f90432ebefa0ccf1cc564e0600d4fbab7b866d6bd7d1b8c

GCleaner

deeb5e14468e5003695c5752c47130891ccef35ab27cccc2c9c6e20bcffab590

GCleaner

Result

Malware family:

gcleaner

Score:

10/10

Tags:

family:gcleaner loader

Link:

https://tria.ge/reports/240309-j95d5seb69/

Behaviour

Program crash

Downloads MZ/PE file

GCleaner

Malware Config

C2 Extraction:

185.172.128.90
5.42.64.3
5.42.65.115

Unpacked files

SH256 hash:

07d8bd00c483ea18b026a42346905d245b84dcfbfe6290b215222f3979a8886a

MD5 hash:

638075fdc31f52e28ea21eb83157f9b4

SHA1 hash:

3feffd836aea527b25336c8fdd2101bd5e24b5f0

Detections:

win_gcleaner_auto

Link:

https://www.unpac.me/results/662d80f7-e1ea-4f90-a929-d8690bd8db45/

Parent samples :

b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587
f1a83ca51de663f90eddcee2480847538f36d6151306d4c31f9d5e8baf709a9b
508e67f9f8ecec59538cd61fc6aaf0c25b4194d6dbd8b830f7b5bb2b8adf5ae9
9314d40f064aed182d1b0910dcc17d215a7bcdfe7fa356202c0f84556fbce9f1
6a345ac4726c427e82a2121ae310adce203aa39c1c3d7ce48f5670cb833345a8
2f4e51dacadfa0f435684aea798967d63adea5f31e997cde89eed60ba4e9e364
22e81782e13556ff0e50f878303b5e66953379dee68d0f5314762585a59781a3
00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82
4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f
a2683eb772985610c4b5caac94a14d54aa018a1849a79d0ed7132e877b6a9f0a

SH256 hash:

b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587

MD5 hash:

125c20de28795b115fc57f281612bb1c

SHA1 hash:

31f3d75c81011a61be69464920fefe97469b2b6e

Link:

https://www.unpac.me/results/662d80f7-e1ea-4f90-a929-d8690bd8db45/

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/b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587

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:	Windows_Trojan_Smokeloader_3687686f Create hunting rule
Author:	Elastic Security

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 b9dd5b5112232c3266b326271d24c2d8af866a386c34fb2d4cd3c414f995b587

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2770896/

URLhaus

https://urlhaus.abuse.ch/url/2755634/

URLhaus

https://urlhaus.abuse.ch/url/2770950/

Cape

https://www.capesandbox.com/analysis/478281/

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_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleOutputCharacterW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesLengthA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateHardLinkA KERNEL32.dll::GetFileAttributesW

Comments

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zbet commented on 2024-03-09 08:22:13 UTC

url : hxxp://5.42.67.7/download.php?pub=univ/