MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c824dcdb4b6b255669f985f622963a17151403bb400ef9534c32a1aad0c40fe. 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: 8c824dcdb4b6b255669f985f622963a17151403bb400ef9534c32a1aad0c40fe
SHA3-384 hash: 9fbde86136b4a0e23e313bb0c1b04f93148aaf627ba96ab2d6c3da9b800a96c8a2c5f32a3edb110d2b128ba168d2c78b
SHA1 hash: f57f55913063f3b69c9b738bdb5b548d048cf5ed
MD5 hash: 49aaed966d09447e385c9c0b40eb52ab
humanhash: johnny-quiet-muppet-table
File name:file
Download: download sample
Signature GCleaner
File size:1'776'780 bytes
First seen:2023-01-17 20:25:21 UTC
Last seen:2023-01-17 20:35:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:m53acrUwaL37OcbgPMyucsU2OqUcW31GTj:QzUwaLtbgUyqUqUcW31GTj
TLSH T1DC85336AE2BB8334D6B37D719DA3E605897631149435AC3B7948C88BBF26167C70B360
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 :
2
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-17 20:27:18 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
Sending a custom TCP 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:
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:
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: 786191 Sample: file.exe Startdate: 17/01/2023 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 18 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, 49692, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49693, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49694, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\Roaming\...\9QGq94.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 9QGq94.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:
2023-01-17 20:26:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
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:
9c760ae30af515dd57a14786bfabb4c500b51aebf6d0ad8b9df15403b71663e2
MD5 hash:
365a51b3ce65e413ff8f58ad2a69824e
SHA1 hash:
08cdc7bfc687c468993d5c97a71f7864076f9a51
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
42ae6e61b0da29c63da18c3d3e0de7d14cec4612d0664491dbda1ff52527a0e0
MD5 hash:
af71fd35fe785c62c73a6bf3d9a3f0a1
SHA1 hash:
28ca48aa1f2f79178b4504481a248866bd449189
SH256 hash:
8c824dcdb4b6b255669f985f622963a17151403bb400ef9534c32a1aad0c40fe
MD5 hash:
49aaed966d09447e385c9c0b40eb52ab
SHA1 hash:
f57f55913063f3b69c9b738bdb5b548d048cf5ed
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