MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af678f4b8cbd9b7f774cd62c9d592a7fff32a5b6ad3ae54c352f683bbd91bae0. 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: af678f4b8cbd9b7f774cd62c9d592a7fff32a5b6ad3ae54c352f683bbd91bae0
SHA3-384 hash: 01467c88ca72864be6edf5ece76f06b71212bd591fa596494ba64103b337da4a676f93254e5a328ca6eaa4747a60f551
SHA1 hash: 836d9f068d3494a0b3065e1b5260a9f82c6754ee
MD5 hash: 6b5beb8ac2791253dd28cd31d3e17dfb
humanhash: tango-friend-timing-enemy
File name:file
Download: download sample
Signature GCleaner
File size:1'946'428 bytes
First seen:2023-01-17 12:31:22 UTC
Last seen:2023-01-17 12:58:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'450 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:m3TEO32zH27XAHcpw1GiUPl6aArje1GTj:HI2S9w0i+6FK1GTj
TLSH T177953313EFA7D036D86229720C36C4B48932382748395169764CE65FAF2BEA5C3577CB
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


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

Intelligence


File Origin
# of uploads :
13
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-17 12:35:08 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
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
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:
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: 785767 Sample: file.exe Startdate: 17/01/2023 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 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 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49715, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49716, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49717, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\tRK4li49B3V1.exe, PE32 17->30 dropped 21 tRK4li49B3V1.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:
2023-01-17 12:32:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 26 (69.23%)
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:
1e0f08b65d5af40dbb974f4693e76df7e24d0642ff1c84b468d2f5f5c91f6b48
MD5 hash:
41c8120ce14808c1e4c30f1da89b4b1c
SHA1 hash:
71c25d5339041de72b3bb439c68c350afdf259e1
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
e9eecd5d95b06b2f06ec112f76bc8f851494bc74193ea8fb43179bd63a753902
MD5 hash:
cd37fc7ed5e4bd8b8c6a6d7fe133407d
SHA1 hash:
f9575417eb69e3b96d125e3e41013dede440a524
SH256 hash:
3b0db83c7b93b8a6367f984bdad2853ca2cff7d60574ff0ce243029521892a76
MD5 hash:
1f0e29d84bb26b557d4d3a20d13e65c3
SHA1 hash:
8e8f584e163faa287e56e38dcf5296bc55bdada6
SH256 hash:
af678f4b8cbd9b7f774cd62c9d592a7fff32a5b6ad3ae54c352f683bbd91bae0
MD5 hash:
6b5beb8ac2791253dd28cd31d3e17dfb
SHA1 hash:
836d9f068d3494a0b3065e1b5260a9f82c6754ee
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