MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8086c5a105cef81640f909b9cdb02b611584d4931bb17cf11ccca6466065eed. 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: a8086c5a105cef81640f909b9cdb02b611584d4931bb17cf11ccca6466065eed
SHA3-384 hash: 3ccd077fbab88cd66aa967c0f6d5c0e769ac853c251f981ed17563d5946fd36a26edcdc0342f181d82489af88ad8fc2f
SHA1 hash: 95567ce5151bd1b76c431fc439bb10d1159e1a2b
MD5 hash: 018a982b5a8b6a12567e92a0c88c601c
humanhash: purple-moon-carbon-nuts
File name:file
Download: download sample
Signature GCleaner
File size:2'179'672 bytes
First seen:2023-01-20 06:07:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:mPSUS1vvYT67jB7Ei7mnv8E0eaYR7Awhk6/zBBNEBD7K8:pUSm9D/0qmN6/zXNgP
TLSH T1D3A5CE712C6EC166F00D62F4FE71A0F648FE2D17C05F474BA5443EDBB67C2A2249AA64
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 0e0f932c2d2d9958 (23 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 :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-20 06:10:19 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 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:
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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 788037 Sample: file.exe Startdate: 20/01/2023 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 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 22 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, 49696, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49697, 80 CMCSUS Germany 17->44 46 2 other IPs or domains 17->46 30 C:\Users\user\AppData\Roaming\...\Uxkhq.exe, PE32 17->30 dropped 21 Uxkhq.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:
2023-01-20 06:17:01 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
6 of 25 (24.00%)
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
Unpacked files
SH256 hash:
9f6f96478475f8718a05c5d71a43615f4b2b191d75e24415e7aa91d3afb7f970
MD5 hash:
85c4bdb7b00e291d5061cce64e4ac989
SHA1 hash:
d6b1d040af87ff8a2cd0aa66791a1ae63e035233
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
e3bc9501052361f578282f8f30e474418b847731771662a78d85e668ab53c30d
MD5 hash:
a5871ff258628af2d585b4983dd34c7c
SHA1 hash:
ef7726a663c9db8df85f6cb511787295d49358a5
SH256 hash:
a8086c5a105cef81640f909b9cdb02b611584d4931bb17cf11ccca6466065eed
MD5 hash:
018a982b5a8b6a12567e92a0c88c601c
SHA1 hash:
95567ce5151bd1b76c431fc439bb10d1159e1a2b
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