MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 592ae979ec9f578c88d836c947f397315db40a565ea3ef9cf8d64a687012b6f6. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 592ae979ec9f578c88d836c947f397315db40a565ea3ef9cf8d64a687012b6f6
SHA3-384 hash: a9b760d82efd2a8fb9c408da104ab8ade585aa94a2a733388377540f8c91f707d378f4946d1275ed1484e26dc4776a43
SHA1 hash: 2b20bbda00e0a17fa40a05ea82750882bf9da28d
MD5 hash: 2e82fd7d5f85025a2665d3a17e7763b7
humanhash: football-rugby-eight-cup
File name:file
Download: download sample
Signature GCleaner
File size:2'351'988 bytes
First seen:2023-02-05 02:04:56 UTC
Last seen:2023-02-05 04:28:34 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:d3Zvx1ZOiLOg6cHOz9Va1MItFRoMhEHVCuuq2Yv8PPj/1pDlLCgv2MR:Xvx10iOg7Ov7ICUE1b2YvQPbZv2MR
TLSH T12BB5DF125DA5E1ABE0C98FB0DDE36DFB5C14ED79C0B9081781047EFB7A36E122C46629
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 96968e8e0f0f9696 (49 x GCleaner, 1 x NetSupport)
Reporter andretavare5
Tags:exe gcleaner


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

Intelligence


File Origin
# of uploads :
83
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-05 02:06:29 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:
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
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: 798676 Sample: file.exe Startdate: 05/02/2023 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 submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 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 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 FRec24.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49694, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49695, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49696, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...behaviorgraphN36Dqj6.exe, PE32 17->30 dropped 21 GN36Dqj6.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:
2023-02-05 02:07:31 UTC
AV detection:
16 of 26 (61.54%)
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
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:
bd26091b72636fa61d89f990a7f335afd24c169a860a4aaf98031c0bcad2553d
MD5 hash:
f7625ad6a4a44aa492362bd7cc04b37b
SHA1 hash:
0e56e7bc795dcf80776b84114be94c77ec0f4b7c
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
9dc1973f86c3eb466d209853d0677dfa5f536d81169dba4f1ed80fb75b965b18
MD5 hash:
3f971b5df9ad95ccd25f4d56c0c296cf
SHA1 hash:
d7216fc8f5ab7e8fcf667110f13c8f21017b8ec4
SH256 hash:
064fbb105da9235e919a2f9207f06d654e4e8dc30e1129413e16aa95b3443e2f
MD5 hash:
1f4c28c301c31b33e70198eba5fceffc
SHA1 hash:
4996429b4c08a5f51f36288029ee78f4fbca42cd
SH256 hash:
592ae979ec9f578c88d836c947f397315db40a565ea3ef9cf8d64a687012b6f6
MD5 hash:
2e82fd7d5f85025a2665d3a17e7763b7
SHA1 hash:
2b20bbda00e0a17fa40a05ea82750882bf9da28d
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