MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82. 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 2 File information Comments

SHA256 hash:	00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82
SHA3-384 hash:	0fd2ca85fa77bbfdc2594a06a6512941a22b492916654561474042a4b81440faa6924487175861b8d04391f711dfcaa4
SHA1 hash:	1376c1ae93c9b69789b5744610fc25878362a4db
MD5 hash:	f1dd2c73ae8ae93e7c7046a9d3ef2845
humanhash:	solar-table-cup-football
File name:	f1dd2c73ae8ae93e7c7046a9d3ef2845.exe
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	380'416 bytes
First seen:	2024-03-22 07:36:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1d363a16825484f3b256f5ef2aeceb2c (3 x Stealc, 2 x Smoke Loader, 2 x GCleaner)
ssdeep	3072:Ogpubbw1Tk/+BYYmEXf997X7deuDvFp+l3edTq0KjbMIFhbhf//kMutW7yIb2S/a:fCT/mt1tXZhvbqedG0KHxDbpiOdbBUJ
TLSH	T1DB84AE0272E1FC60D96247329D2EC6E42BAEFD618D287B5733587B0F58B10A1E673752
TrID	37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.9% (.EXE) Win32 Executable (generic) (4504/4/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	10ccc8b0d4e871b2 (1 x GCleaner)
Reporter	abuse_ch
Tags:	exe gcleaner

Intelligence

File Origin

# of uploads :

# of downloads :

343

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82.exe

Verdict:

Malicious activity

Analysis date:

2024-03-22 08:09:18 UTC

Tags:

gcleaner loader

Link:

https://app.any.run/tasks/77eab852-752b-4896-a554-39307fad9657

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

DNS request

Connection attempt

Sending an HTTP GET request

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint

Link:

https://www.filescan.io/uploads/65fd352c87137159d44e5fab/reports/ccf02fb7-6c81-45ae-bfe2-16965e674b20/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9db0e3bc-c631-4cb9-9bb2-19b2294c4ad9

Result

Threat name:

GCleaner, Nymaim

Detection:

malicious

Classification:

troj

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/1413916

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/00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-03-22 07:37:11 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

12 of 24 (50.00%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=adx4n57xidsuepnbu2axuipvzxh2uy3g4v2bhtcv3qsv7amwfwba._file

Verdict:

malicious

Result

Malware family:

gcleaner

Score:

10/10

Tags:

family:gcleaner loader

Link:

https://tria.ge/reports/240322-jfvmvaaa66/

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/40ffe42c-5d7f-4a21-9e01-4046e37c0bd7/

Parent samples :

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

SH256 hash:

00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82

MD5 hash:

f1dd2c73ae8ae93e7c7046a9d3ef2845

SHA1 hash:

1376c1ae93c9b69789b5744610fc25878362a4db

Link:

https://www.unpac.me/results/40ffe42c-5d7f-4a21-9e01-4046e37c0bd7/

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/00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82

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:	DebuggerException__SetConsoleCtrl 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 00efc6f7f740e5423da1a6817a21f5cdcfaa6366e57413cc55dc255f81962d82

(this sample)

URLhaus

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

Delivery method

Distributed via web download

URLhaus

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

URLhaus

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

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	USER32.dll::GetUserObjectSecurity
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindNextVolumeMountPointA KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationA KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::PeekConsoleInputA KERNEL32.dll::ReadConsoleW KERNEL32.dll::ReadConsoleOutputCharacterA KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceW

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