MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f. 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 2 File information Comments

SHA256 hash:	4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f
SHA3-384 hash:	469cc694a45f3fb3f950946ee0495cdf9137aa25cd9a53b85a1b4efa0228112159fced46cc60810137c2251e4b3f8e93
SHA1 hash:	96f231a59c8bfb43aa78aa43501973a52919b7df
MD5 hash:	c2aab8150d3d763706fbe02fe07f8aa1
humanhash:	golf-maryland-uncle-papa
File name:	c2aab8150d3d763706fbe02fe07f8aa1.exe
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	374'784 bytes
First seen:	2024-03-28 18:53:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	72e186f4643d828245a9b4274ecaa3d8 (2 x Vidar, 1 x GCleaner, 1 x Smoke Loader)
ssdeep	6144:CAY8rOF+nQq97PgSKA9XncgrLZEeMlFjT:CR8ru+nJ7YEXcgrLZNGF3
TLSH	T1F784AD13B2D2FC60E56246F28D2DC5E8262EF9628E687B2733687F0F34B11A1D563751
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	90009890acd9e020 (1 x GCleaner)
Reporter	abuse_ch
Tags:	exe gcleaner

Intelligence

File Origin

# of uploads :

# of downloads :

314

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f.exe

Verdict:

Malicious activity

Analysis date:

2024-03-28 18:59:24 UTC

Tags:

gcleaner loader

Link:

https://app.any.run/tasks/68614049-b1e7-4bbb-a819-0de898b9361a

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Connection attempt

Sending an HTTP GET request

Creating a file in the %temp% directory

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

danabot fingerprint

Link:

https://www.filescan.io/uploads/6605bd7ea0783463fa9d953e/reports/a62d7f8e-2e51-4331-abdb-ba52839dad76/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f

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/c2135706-c8a2-485c-a8b8-85bac02d2c35

Result

Threat name:

GCleaner, Nymaim

Detection:

malicious

Classification:

troj

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/1417239

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/4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f/

Threat name:

Win32.Trojan.Glupteba

Status:

Malicious

First seen:

2024-03-26 21:14:36 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=jl4j4wq47keuz2ildjnmxffl2nxjam46slatpuxxpvm4fypp3nxq._file

Verdict:

malicious

Result

Malware family:

gcleaner

Score:

10/10

Tags:

family:gcleaner loader

Link:

https://tria.ge/reports/240328-xj7y8sde5z/

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:

GCleaner

win_gcleaner_auto

Link:

https://www.unpac.me/results/e0f2d864-75bd-4220-901a-dffaa18a6257/

Parent samples :

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

SH256 hash:

4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f

MD5 hash:

c2aab8150d3d763706fbe02fe07f8aa1

SHA1 hash:

96f231a59c8bfb43aa78aa43501973a52919b7df

Link:

https://www.unpac.me/results/e0f2d864-75bd-4220-901a-dffaa18a6257/

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/4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f

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:	EXE_Stealer_StealC_Feb2024 Create hunting rule
Author:	Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

File information

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

Web download

GCleaner

exe 4af89e5a1cfa894ce90b1a5acb94abd36e90339e92c137d2f77d59c2e1efdb6f

(this sample)

URLhaus

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

Delivery method

Distributed via web download

URLhaus

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

URLhaus

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

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
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindFirstVolumeMountPointW KERNEL32.dll::GetFirmwareEnvironmentVariableW KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::PeekConsoleInputW KERNEL32.dll::ReadConsoleA KERNEL32.dll::SetConsoleTextAttribute KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceA

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