MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca. 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 6 File information Comments

SHA256 hash:	04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca
SHA3-384 hash:	02d8d6da6e52bca042cab19bc541aef56139714ead249a0a1b79e2e4d27150f1953359c4e87e2009f5be3b4b2a6575f5
SHA1 hash:	f233377b14e0c7334d8e6d5a93fdf0e884aa8b88
MD5 hash:	592b4d7fb3833f298d441461cb8cb915
humanhash:	foxtrot-ack-saturn-bulldog
File name:	SecuriteInfo.com.BScope.Trojan.Zenpak.13074.27773
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	321'024 bytes
First seen:	2024-08-26 10:31:23 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	383b17ea11003a6fea120e634c4cb58e (2 x GCleaner)
ssdeep	6144:O0Jn6pVI+pKxpbIiY85NqYUqTFYp4RyRHOI9zO8oJ:O0Jn6pVI+pS6iEB4Ry79
Threatray	2'309 similar samples on MalwareBazaar
TLSH	T1B264BF11B2B194A6FDFF473409B4DEA41AFBBC422A71528E26F0322F1D736914E68753
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)
Magika	pebin
File icon (PE):
dhash icon	006cc8d0ec71b244 (1 x GCleaner)
Reporter	SecuriteInfoCom
Tags:	exe gcleaner

Intelligence

File Origin

# of uploads :

# of downloads :

371

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

SecuriteInfo.com.BScope.Trojan.Zenpak.13074.27773

Verdict:

Malicious activity

Analysis date:

2024-08-26 10:35:28 UTC

Tags:

gcleaner loader

Link:

https://app.any.run/tasks/ea0acc8f-bd33-460e-9d08-9991a649593b

Note:

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

Detection(s):

SecuriteInfo.com.BScope.Trojan.Zenpak.13074.27773.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66cc59a6b2a4681a7296a016

Tags:

Infostealer Network Stealth Agent

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% subdirectories

Creating a file

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Launching the default Windows debugger (dwwin.exe)

Using the Windows Management Instrumentation requests

Connection attempt to an infection source

Launching a tool to kill processes

Sending an HTTP GET request to an infection source

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc

Link:

https://www.filescan.io/uploads/66cc59a91c7fd2cfb704fbf3/reports/43559cfc-90a9-4a31-9c45-feee4797596b/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca

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/e1305aaa-c76f-4675-8dca-3118139215d9

Result

Threat name:

GCleaner, Nymaim

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1498972

Signature

AI detected suspicious 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

Found potential dummy code loops (likely to delay analysis)

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/04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca/

Threat name:

Win32.Trojan.Torbot

Status:

Malicious

First seen:

2024-08-26 07:43:56 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

27 of 38 (71.05%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=aqafqin3nssucq76xskdjblojld6j5v2mhh45t5uyh37euyb6pfa._file

Verdict:

malicious

GCleaner

54330d7c8d654c7821fdd80c29bbad67e1f959fb668a63c433348182f879a101

GCleaner

6f015d2ecc877fdc3d3afec3e0172b3d1c01f5a0a723c7c66780bb2ce6ef5290

GCleaner

9ab39edf384daac9f1c4e6b44e7af427618696b1d0b4d04d737a1e06b412c09b

GCleaner

9d314f7bb979238d429d772e28d7a679fd4391db5d3581666a7f4207061be785

GCleaner

a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878

GCleaner

b26c331dd8cc9afc8cfea552033a91a2fd57af71829498f7280408e814d9d962

GCleaner

+ 2'299 additional samples on MalwareBazaar

Result

Malware family:

gcleaner

Score:

10/10

Tags:

family:gcleaner discovery loader

Link:

https://tria.ge/reports/240826-mkyrvayemh/

Behaviour

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Checks computer location settings

Deletes itself

Loads dropped DLL

Downloads MZ/PE file

GCleaner

Malware Config

C2 Extraction:

80.66.75.114

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/3b311bd0-7408-4000-ad83-ea7a67f24f9b

Unpacked files

SH256 hash:

e3752915e9b12609fa22a99275111e4533903ad3af8ca01419562a2871a5c071

MD5 hash:

df84064620e647c9f8ad0f966c1f1576

SHA1 hash:

f7427ed939f043601f270eb9c7b8f685328574ae

Detections:

GCleaner

win_gcleaner_auto

Link:

https://www.unpac.me/results/e9b1e311-06e7-4abc-a2a1-eae7326b81fe/

Parent samples :

b26c331dd8cc9afc8cfea552033a91a2fd57af71829498f7280408e814d9d962
54330d7c8d654c7821fdd80c29bbad67e1f959fb668a63c433348182f879a101
04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca
c91aa7e772a145d0266b4eb22f3527008ae88380a6155fe2ee9b5b27dfc6e1b7
21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814

SH256 hash:

04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca

MD5 hash:

592b4d7fb3833f298d441461cb8cb915

SHA1 hash:

f233377b14e0c7334d8e6d5a93fdf0e884aa8b88

Link:

https://www.unpac.me/results/e9b1e311-06e7-4abc-a2a1-eae7326b81fe/

Please note that we are no longer able to provide a coverage score for Virus Total.

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

Rule name:	pe_detect_tls_callbacks Create hunting rule

File information

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

No further information available

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::GetStartupInfoA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleOutputW KERNEL32.dll::SetConsoleMode KERNEL32.dll::GetConsoleAliasesLengthW KERNEL32.dll::GetConsoleAliasExesLengthA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW

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