MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63cb3f34caeb039a1dbfffd4e45e449d000ee4a47dc520401402d7440c565d52. 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 3 File information Comments

SHA256 hash: 63cb3f34caeb039a1dbfffd4e45e449d000ee4a47dc520401402d7440c565d52
SHA3-384 hash: 09966a3a6534bdb292b93c6546bd1549678e6d4ce604125c85b6e35ca7a58a348cf83569ed00a4a5f5d5ab8d2e12ec7b
SHA1 hash: 74e5a3a3e3e02963e7e58260d67fd0f7d0a459eb
MD5 hash: da75dc77ed7ae453e80aef0d02a13166
humanhash: bulldog-vegan-music-spaghetti
File name:file
Download: download sample
Signature GCleaner
File size:2'331'606 bytes
First seen:2023-01-28 21:31:01 UTC
Last seen:2023-01-28 21:44:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:okug+Wy6rZMK9fUN6CLQ3l19MVznL5sz7xeAXopCUi+NPCG5wKQ0OdknLCgv2MR:hug+WVrqK9cN1M3CXsQAXopCUi+NaEwc
TLSH T13CB5334AA982C97EE943C7FB3934D040AFB3ED87683C1640B6852BDD1D754F12D3629A
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 71f0e0ccccf0f0f0 (204 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 :
7
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-28 21:31:33 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
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
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
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:
100%
Tags:
greyware overlay packed shell32.dll
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.
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 dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 793621 Sample: file.exe Startdate: 28/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 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 18 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49682, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49683, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49684, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\Co7Cx22vN.exe, PE32 17->30 dropped 21 Co7Cx22vN.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:
2023-01-28 21:32:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
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 use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
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:
9207d9736ded8a375d3e7fa331fa8b1ac6a9d261bd7274faef698dd88e11de80
MD5 hash:
8d567989c5a861983b557b34872b5bff
SHA1 hash:
e99356ea329252eaed078b9115263ec35d21b689
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
48c40a26e9a3aae1a2ad2932a4185e6223a9043125fb018be0911611647c1d0c
MD5 hash:
06b9423fb05cb4592333b7c128ba1530
SHA1 hash:
b74104f2448452294f7779fcafda32ce806831bd
SH256 hash:
67fc1edd2adc49516b9a0d25e49fc53a2c2ec97b53d13c60eeda76a219244366
MD5 hash:
20a34c1d79cf4ab33c502ab1117f0125
SHA1 hash:
6f5e7a94f2136dbbae295e57f577e017cf0137c1
SH256 hash:
63cb3f34caeb039a1dbfffd4e45e449d000ee4a47dc520401402d7440c565d52
MD5 hash:
da75dc77ed7ae453e80aef0d02a13166
SHA1 hash:
74e5a3a3e3e02963e7e58260d67fd0f7d0a459eb
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