MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9
SHA3-384 hash: 1473c2b0b0ab0659b55edae7c50582df7d74de5864c1b62ba9b7734d486ed0091a4172cbe9b95fcc6b4c57646de90b22
SHA1 hash: b0eb42a85371e15ef92020c37406f59e786a503d
MD5 hash: 54935c8ce5efca8a4589caa0d3e9258f
humanhash: orange-twenty-neptune-mike
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:301'056 bytes
First seen:2024-04-01 17:24:53 UTC
Last seen:2024-04-01 17:42:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ba98ed9b6030d773e739745aeaf6e0bb (1 x GCleaner, 1 x LummaStealer)
ssdeep 3072:CX8L3hvoXS+bakYZXhJ1KcRvPHiiKXU57jdPWfd9Drt67JUPFk+Hc/vyK1nhlXWl:CsvYSo6r1xIiKkLixP+qIyK1nfXy5IB
TLSH T1B0545A33B3E1BC90E56687328F2D8AEC372EF8619E246B6722497E0F54751B1C253761
TrID 39.4% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0000408800040000 (1 x GCleaner)
Reporter Bitsight
Tags:exe gcleaner


Avatar
Bitsight
url: http://5.42.65.64/download.php?pub=inte

Intelligence

File Origin
# of uploads :
2
# of downloads :
421
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9.exe
Verdict:
Malicious activity
Analysis date:
2024-04-01 17:26:24 UTC
Tags:
gcleaner loader opendir lumma stealer
Link:
https://app.any.run/tasks/ece36096-cf2e-44c8-812e-27e4e36bb05a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request to an infection source
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Connection attempt to an infection source
Launching a tool to kill processes
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9
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/1916cbd5-6dde-4dd5-9e5e-e391f4cb6713
Result
Threat name:
GCleaner
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1418259
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Snort IDS alert for network traffic
Yara detected GCleaner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1418259 Sample: file.exe Startdate: 01/04/2024 Architecture: WINDOWS Score: 100 25 Snort IDS alert for network traffic 2->25 27 Multi AV Scanner detection for domain / URL 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 5 other signatures 2->31 7 file.exe 14 2->7         started        process3 dnsIp4 23 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 7->23 33 Detected unpacking (changes PE section rights) 7->33 35 Detected unpacking (overwrites its own PE header) 7->35 11 cmd.exe 7->11         started        13 WerFault.exe 16 7->13         started        15 WerFault.exe 16 7->15         started        17 7 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 taskkill.exe 11->21         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-01 17:25:07 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hqmhxi5aoqdyvrpn2a4ctexwnz4e5mtpv7zpxvk3s6y5bmdubluq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner loader
Link:
https://tria.ge/reports/240401-vy9p9sad9y/
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
GCleaner
Malware Config
C2 Extraction:
185.172.128.90
5.42.65.64
Unpacked files
SH256 hash:
9e5d32ffadbe19b468428daf7b3f3576800f09212ca384959d342030564d6e0c
MD5 hash:
bfad9906312376e616b717921e37042e
SHA1 hash:
0074d8c3c1b1449a733985e7f265353f2bb0b2d7
Detections:
GCleaner
Create hunting rule
Link:
https://www.unpac.me/results/1f4ab2f8-d746-4c37-b006-a6ee488f2d13/
SH256 hash:
3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9
MD5 hash:
54935c8ce5efca8a4589caa0d3e9258f
SHA1 hash:
b0eb42a85371e15ef92020c37406f59e786a503d
Link:
https://www.unpac.me/results/1f4ab2f8-d746-4c37-b006-a6ee488f2d13/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c187ba3a074/report/overview.html
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/3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9

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: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:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_97c1a260
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security

File information

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

Web download

GCleaner

Executable exe 3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2798218/
  
URLhaus
https://urlhaus.abuse.ch/url/2798339/

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeMountPointW
KERNEL32.dll::FindNextVolumeA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasA
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateFileW
KERNEL32.dll::MoveFileWithProgressA
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpSetDefaultProxyConfiguration

Comments