MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69. 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: 66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69
SHA3-384 hash: c3ffee865ec3f9ba50f635fd428665808a6f7a2710e1cd132d7e572bf993fcf2ab36ee390950866cc349f3993232dfad
SHA1 hash: 7d316803b6bdaeff63fd5d3c6b3d0cac32640b4a
MD5 hash: 5c9e678199c6054597416c49a86e0fa5
humanhash: fanta-item-wyoming-bravo
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:369'664 bytes
First seen:2024-01-30 04:04:28 UTC
Last seen:2024-01-30 05:32:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0f86209308d034305701c953de1bb53c (2 x GCleaner, 1 x Smoke Loader)
ssdeep 6144:A7lvMVpuKh1QVI/QVXUH63ytAL0RVuuTfiiySKv/mXGGpYj3:elEVpuAeu/gUH6igifiixXG4
Threatray 64 similar samples on MalwareBazaar
TLSH T1B474AE1066E1C031E2B35A304A70F7B54A3FB8A2F639D58F2BD5263E0E75AC18635797
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) (4505/5/1)
File icon (PE):PE icon
dhash icon d2f0e4c4ecf1c6f9 (1 x GCleaner, 1 x Gh0stRAT)
Reporter jstrosch
Tags:exe gcleaner


Avatar
jstrosch
Found at hxxp://5.42.65[.]85/batushka/inte.exe by #subcrawl

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/473546/
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.10169.6835.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Searching for the window
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/65b87573bc91f83c80716dd2/reports/62a18d3b-c7ff-4c0b-83db-6462ab972aaa/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69
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/4e9f594d-b38e-44d8-a770-2bc6697f7f14
Result
Threat name:
GCleaner
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1383126
Signature
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: 1383126 Sample: file.exe Startdate: 30/01/2024 Architecture: WINDOWS Score: 100 21 Snort IDS alert for network traffic 2->21 23 Multi AV Scanner detection for domain / URL 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 4 other signatures 2->27 7 file.exe 14 2->7         started        process3 dnsIp4 19 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 7->19 29 Detected unpacking (changes PE section rights) 7->29 31 Detected unpacking (overwrites its own PE header) 7->31 11 cmd.exe 1 7->11         started        13 WerFault.exe 21 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/66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69/
Threat name:
Win32.Trojan.Gcleaner
Create hunting rule
Status:
Malicious
First seen:
2024-01-30 05:01:19 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m36jrxcqfu4nselkb4a4kr5ufoimbgm6zuy2j5je5ss3jj4qtvuq._file
Verdict:
malicious
Similar samples:
50db57ecc32431f9c58f1430827117fd0a921f77fbbf91b519d192f3bf9c9988
GCleaner
66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69
GCleaner
86acc95bbdb0871045c3893be2f9a69f9bb4345fca91170bcd4ce645e2c43900
GCleaner
a71458783348e50fb126e50367c84b24ffbd4b96abd54bad852dc2a44b234abe
GCleaner
b1dfed83474f9ba5280e4efdd64a3b32f259625740dbbf8524001b823ce9539e
GCleaner
e568e3b20bdd6787debca5195d6dfda391f3c5c1a94aca65a89e9b9fa8704658
GCleaner
f0a8f2df875c0b17a9bb428262b5a77ae208b489b6d6d5840860a9d313a72710
GCleaner
f30bbaeab4557ae64f4dd34b562dd23ad779d92367822d30eedfa8ad8b374126
GCleaner
+ 54 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240130-enhwssgah9/
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:
6a1cb6b2b3230503d4400366a21d8b81e772bc194ca6ca071eb448822c176fa5
MD5 hash:
68c58efa330393b980149c75b9f2b388
SHA1 hash:
a48324d537d3240ffbd127f29bd8c75c35ef0f7b
Link:
https://www.unpac.me/results/8eb57257-5573-4801-ae21-3e3705df0916/
SH256 hash:
66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69
MD5 hash:
5c9e678199c6054597416c49a86e0fa5
SHA1 hash:
7d316803b6bdaeff63fd5d3c6b3d0cac32640b4a
Link:
https://www.unpac.me/results/8eb57257-5573-4801-ae21-3e3705df0916/
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/66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69

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_Generic_Threat_97c1a260
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_3687686f
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 66fc98dc502d38d9116a0f01c547b42b90c0999ecd31a4f524eca5b4a7909d69

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2749143/
  
URLhaus
https://urlhaus.abuse.ch/url/2749153/
Cape
Cape
https://www.capesandbox.com/analysis/473546/

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