MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b2b1b43844d55ed980b68a3a59cb497d7054dc020526dec44f85faecebda396. 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: 6b2b1b43844d55ed980b68a3a59cb497d7054dc020526dec44f85faecebda396
SHA3-384 hash: 9d092dba8d07556e003f639c94c63a57291631ee653d6632f8b267b7b2bc4b7d8e931c26b0ca715b3428f9bc0e1af60d
SHA1 hash: 045e5fd58b0c338c13900a63a556b365c5d004f9
MD5 hash: a3af0f7f15d4b0a7c1442e56bb6a642a
humanhash: jersey-fanta-paris-asparagus
File name:file
Download: download sample
Signature GCleaner
File size:2'002'104 bytes
First seen:2023-01-19 11:53:15 UTC
Last seen:2023-01-19 12:08:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:1kKBkgsKt5Vqj9aHBrkvIm3qVziWFCklj1lAL6r:VBDdrEsHBrkvIViWAkflAL6r
TLSH T17F953314DB9224B0D573EB343927A9155AB7FF22AC32C812765DBE585BB36E0130EF42
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 :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-19 11:54:40 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
Sending a custom TCP request
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
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:
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:
92 / 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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 787312 Sample: file.exe Startdate: 19/01/2023 Architecture: WINDOWS Score: 92 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 4 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 22 16 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->37 dropped 39 6 other files (5 malicious) 14->39 dropped 17 finalrecovery.exe 20 14->17         started        process9 dnsIp10 41 45.12.253.56, 49695, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49696, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49697, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\AQ5Gi44U2R.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 AQ5Gi44U2R.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:
2023-01-19 11:54:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 26 (50.00%)
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4f6e019246921feeee18bdd70c88962d882e874aa126e0a715f8c89324ff4a98
MD5 hash:
f65cc42640a5f8f579299da1e243511d
SHA1 hash:
8bc0d1fdb4f2b7409cf14cb60cd2fd1bf54f41ee
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
323f555793af5bb8c5cae0e655fa2104c638c9bea480f52261ee2e0501476561
MD5 hash:
a4a65b014344fcce064412bc59ff6881
SHA1 hash:
9c35f49f2c6b11fe35d5428e5cef7cc4409b453c
SH256 hash:
78d5b68f369f2b81dd45374e6eee0ee481609bbe962775b5a6d942f31fb4f788
MD5 hash:
6f7b5391f268831ccee15ba3db11ede2
SHA1 hash:
7f88744bbdc47adb21ae356c841cdcec0752f497
SH256 hash:
6b2b1b43844d55ed980b68a3a59cb497d7054dc020526dec44f85faecebda396
MD5 hash:
a3af0f7f15d4b0a7c1442e56bb6a642a
SHA1 hash:
045e5fd58b0c338c13900a63a556b365c5d004f9
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