MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b1bd2fe6e2e4854de796bd2a6e1b369a0250184694e88c1c7d871a2c07c1bf8. 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: 8b1bd2fe6e2e4854de796bd2a6e1b369a0250184694e88c1c7d871a2c07c1bf8
SHA3-384 hash: 114e015236afe5b22465453ac728bae48bd17c74589057501f5ca33530ff080dbc9b5a231dbb96c3882343cce2781495
SHA1 hash: da17245a8ea89024c75df7e1076ebdf67596f3b0
MD5 hash: cb7b3cfe17950ba9e4c4980bfa2fa961
humanhash: timing-march-jupiter-moon
File name:file
Download: download sample
Signature GCleaner
File size:3'012'267 bytes
First seen:2023-02-16 10:47:12 UTC
Last seen:2023-02-16 10:59:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'463 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:974ubcUA4G73Qyf/4L53dkSklwOs5DLoGe87k7rHv16AWpZ2Votd/eLCgv2MR:xdcj4GLRf/+5NieZLsIBfCCt+v2MR
Threatray 7'093 similar samples on MalwareBazaar
TLSH T112D523537200C5ADE361DFB3D91E01A424A36E59E9B2E11E38DA3F4F1AF228D505EF45
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 12f0f4b26284e162 (24 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 :
5
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-16 10:50:09 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
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer 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
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: 810382 Sample: file.exe Startdate: 17/02/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 5 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->31 dropped 57 Obfuscated command line found 10->57 14 file.tmp 18 17 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->37 dropped 39 7 other files (6 malicious) 14->39 dropped 17 FRec216.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49701, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49702, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49703, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\mbtQ2TSfc.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 mbtQ2TSfc.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-16 10:48:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
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
Executes dropped EXE
Loads dropped DLL
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:
b4a97c4d84b774284c6cc094972b156ab46e67186f9f243a77db799812d2684e
MD5 hash:
201bd9a18a3d8dc20c2e08797748bc2b
SHA1 hash:
7b59ebbc532b10a170fbb2a87497e4a0d652c689
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
5ac07aeaa28bded86984928c890d8d8e25f920527d8c907ce4949ed195870794
MD5 hash:
b91393a5fb9f9357ab1d4208e30017d6
SHA1 hash:
d3a4835d304d8143f7a061fbbaa1cf66ebecbcba
SH256 hash:
a9956544afc20e97fca8b9a38df7c395bb833dd14b7bcacf31f48f5d8cfca556
MD5 hash:
da6dc79ec5ad312cf6fb8dac8303a07c
SHA1 hash:
6f81c7e3969054efc8619b09dd278a8469aed1ea
SH256 hash:
d4f52b7d966c476dee40c677a9d9f224e55c592ee287660cd292e91eccd11848
MD5 hash:
9824254bb5cd741b93eec8e623580685
SHA1 hash:
0de975cd3955849f4c668eed5bb5f8b45f940d36
SH256 hash:
8b1bd2fe6e2e4854de796bd2a6e1b369a0250184694e88c1c7d871a2c07c1bf8
MD5 hash:
cb7b3cfe17950ba9e4c4980bfa2fa961
SHA1 hash:
da17245a8ea89024c75df7e1076ebdf67596f3b0
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