MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a8dd88765c916e16927fb47ed5292f04e9a32d3789d57a01beb39232b84ac16. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 6a8dd88765c916e16927fb47ed5292f04e9a32d3789d57a01beb39232b84ac16
SHA3-384 hash: 92c641772045431dab9877cd5f189895cd918185d383d06185b35fe72a9768223c86376b3ae359e43eff3e3a9b593a7d
SHA1 hash: 5d7bd79857ecc0fae90af6c8e4c1f51c01f7ebfe
MD5 hash: 11198eabf814a9caec86aa29aa2ba1bd
humanhash: twenty-dakota-coffee-zulu
File name:file
Download: download sample
Signature GCleaner
File size:2'056'677 bytes
First seen:2023-01-20 01:46:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:1kfyG87MCz69I0TQIuBWTYaNkcaiD94sEjsk+7fIaz+elAL6r:WyG8IP9VT2BWLNk497zk+TIazzlAL6r
TLSH T12E953387C6AA0433D9C2B7791AED2097463F3F9124B8E802769E795EFB3E65041097D3
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 08080c1616c240c0 (17 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-20 01:48:37 UTC
Tags:
installer

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

Behaviour
Сreating synchronization primitives
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a process
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
greyware overlay packed shell32.dll
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 787956 Sample: file.exe Startdate: 20/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Antivirus detection for URL or domain 2->54 56 5 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 22 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 finalrecovery.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49696, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49697, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49698, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\3TlGZ.exe, PE32 17->30 dropped 21 3TlGZ.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-01-20 01:47:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Loads dropped DLL
Executes dropped EXE
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
c81c002f533449f870ba250f86ecf39047840f318b953745c85d0f690e97e8dd
MD5 hash:
1d29fd1c93034ce908671ef171fb7b80
SHA1 hash:
72e4545e37edeb54a9173730edfaed88e6ab404c
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
f92ded0b679b61cee55b438ac0bcb3a09689d0687f4d6496c5bb7ef3e3b963f1
MD5 hash:
17328132bb07e07562568867bb591ee5
SHA1 hash:
9a1f2f7630ad6bae33dfca886f2cd7ce6fa6253f
SH256 hash:
dfc134e02b331affc24cecde8fd79376ffe4a1dfdb232a62a850c1611d934d2d
MD5 hash:
40bb3fb8a538d56a784480fc5ab790e7
SHA1 hash:
8eb7b4a178208345895271d4f99c79543bf4fa72
SH256 hash:
6a8dd88765c916e16927fb47ed5292f04e9a32d3789d57a01beb39232b84ac16
MD5 hash:
11198eabf814a9caec86aa29aa2ba1bd
SHA1 hash:
5d7bd79857ecc0fae90af6c8e4c1f51c01f7ebfe
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
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

Comments