MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a6587bf245cd55599ac872ba8299b6631dca6171c0b637ff85ac47a3649d064. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a6587bf245cd55599ac872ba8299b6631dca6171c0b637ff85ac47a3649d064
SHA3-384 hash: c362c4f53997c4c607dd511d1c1277ea7af08ea22f4628106a39fc8093238f78f12da1f13a8abee1659b417e17ed171f
SHA1 hash: 7ec83aed50a6399384be26c50f36935dad83690b
MD5 hash: c1afcdd7c967e24b177b45eef8d9c598
humanhash: dakota-uncle-grey-sweet
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:258'560 bytes
First seen:2024-01-11 05:59:25 UTC
Last seen:2024-01-11 07:14:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 38fa8b403d6d5217cfc0f8fc65c9b6e7 (5 x Smoke Loader, 1 x Stealc, 1 x GCleaner)
ssdeep 3072:WXDHdnDLjbJi9jK30tyAseufZKlr2rTGvzffGpQSwcroeEySC40RezvBL2A:MdnDLjXxbxKUevzXZSzr7VroY
Threatray 11 similar samples on MalwareBazaar
TLSH T14244AE1131F58432F3B36A7A5971C3A04E7B78773971998E6AC606B94F257E2CE6030B
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
dhash icon d2b1e4c4ecf1c7f9 (2 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from https://vk.com/doc418490229_670602439?hash=mvimyZ1wEzFv31nd31uAQj75Ip6GI1GAvwwTWAGgndH&dl=tfyOIxTljZZWBfZeVRI1dRj1iRMlkH5eeLEFzbSunvP&api=1&no_preview=1#twointe

Intelligence

File Origin
# of uploads :
2
# of downloads :
369
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/470306/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader46.46662.4213.5737.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending an HTTP GET request
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
Sending a custom TCP request
Launching a tool to kill processes
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/659f83e799da41ccd7ce7fd8/reports/b96b9fa5-8403-4bc3-b544-af0cceb5bd5b/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8a6587bf245cd55599ac872ba8299b6631dca6171c0b637ff85ac47a3649d064
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/b1e741c7-9eda-4c0b-8434-f235026ddfe3
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1372866
Signature
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 submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1372866 Sample: file.exe Startdate: 11/01/2024 Architecture: WINDOWS Score: 76 21 Malicious sample detected (through community Yara rule) 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Machine Learning detection for sample 2->25 7 file.exe 14 2->7         started        process3 dnsIp4 19 91.92.255.231, 49741, 80 THEZONEBG Bulgaria 7->19 27 Detected unpacking (changes PE section rights) 7->27 29 Detected unpacking (overwrites its own PE header) 7->29 11 cmd.exe 1 7->11         started        13 WerFault.exe 22 16 7->13         started        signatures5 process6 process7 15 taskkill.exe 1 11->15         started        17 conhost.exe 11->17         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a6587bf245cd55599ac872ba8299b6631dca6171c0b637ff85ac47a3649d064
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a6587bf245cd55599ac872ba8299b6631dca6171c0b637ff85ac47a3649d064/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-01-11 06:00:05 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjsyppzeltkvlgnmq4v2qkm3myy5zjqxdqfwg77yllchunsj2bsa._file
Verdict:
malicious
Similar samples:
01eca6dc5526b640faa166e8d498f4b6dee2ff0f9036cd8e4b9aa7e0581fa931
GCleaner
11d22d4281f0d9b237379e7bc5b2f301ae94f9028d94d043cefe1c08636ce9fd
GCleaner
2255037ecaa8bae5f9f8635acc752d13d2bef93b2a8db06dcc19c56325fba36f
GCleaner
447656e07d6d1d6fb418d284c5667445e92a7953e2529a28e1c23d597ce148da
GCleaner
8a6587bf245cd55599ac872ba8299b6631dca6171c0b637ff85ac47a3649d064
GCleaner
cea47650f92e6b73107d0eddc5e8e66ac5725fe1a0002ddc38b4f500fd15dfed
GCleaner
+ 1 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240111-gqaz3saefr/
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
Unpacked files
SH256 hash:
e946d35bc4946519562ab07c7b57f2c3089166f4299c33299132eaec419d21ab
MD5 hash:
2a5dbd6db601769a32aba4accd45de2a
SHA1 hash:
0e73dc3820d719659c10c4195efe01f3725846a8
Link:
https://www.unpac.me/results/df52824b-de16-4d12-b844-5bbf0b4e5ef6/
SH256 hash:
8a6587bf245cd55599ac872ba8299b6631dca6171c0b637ff85ac47a3649d064
MD5 hash:
c1afcdd7c967e24b177b45eef8d9c598
SHA1 hash:
7ec83aed50a6399384be26c50f36935dad83690b
Link:
https://www.unpac.me/results/df52824b-de16-4d12-b844-5bbf0b4e5ef6/
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/8a6587bf245cd55599ac872ba8299b6631dca6171c0b637ff85ac47a3649d064

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:DebuggerException__SetConsoleCtrl
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/470306/
  
URLhaus
https://urlhaus.abuse.ch/url/2746359/

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