MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5637aef3fb43a418cd5bb036103fb3f7427e5062c5d23e14ab3b65c7d87793ec. 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: 5637aef3fb43a418cd5bb036103fb3f7427e5062c5d23e14ab3b65c7d87793ec
SHA3-384 hash: 99ce220663ff7c56b1755f1973fd015a7054643daf2b0014752ce4489f72eed2cc9f0494b61b8e73693e7cf3d1d18374
SHA1 hash: 61d2173bfb836ea8acb0ee9dab44e51b4b8d7158
MD5 hash: 214811e792b69344c84b2f31c81742cc
humanhash: east-lithium-diet-twelve
File name:file
Download: download sample
Signature GCleaner
File size:2'173'496 bytes
First seen:2023-03-25 01:13:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'449 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfsR9+UfJuK3iLMYX0yysI6rWDoV+PukCavPycEaD2LhT25dlLYp:5IEouKmMoSsI66DoPkzvo1IPYp
Threatray 1'926 similar samples on MalwareBazaar
TLSH T139A5335EAA970EB1E1425D710DF8CE48FA6BF6734E347550710EA99C9E3ED08481B33A
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
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 :
1
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-25 01:16:12 UTC
Tags:
installer gcleaner

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
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer 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 / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 834563 Sample: file.exe Startdate: 25/03/2023 Architecture: WINDOWS Score: 100 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 Antivirus detection for dropped file 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-4HPJS.tmp, PE32 10->31 dropped 13 is-4HPJS.tmp 11 24 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 6 other files (4 malicious) 13->39 dropped 16 FRec324.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49701, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49703, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49704, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\SqQXnBM.exe, PE32 16->29 dropped 20 SqQXnBM.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Threat name:
Win32.Trojan.Privateloader
Status:
Suspicious
First seen:
2023-03-25 01:14:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
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
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
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:
e5a3659d85d50f31b3b8213b431ec5ca6d9537b6f733ae8a567db082d01f5657
MD5 hash:
8e7bca7d08a769ce3ab26b4771b3ae76
SHA1 hash:
3c05152a56f266f4c710fb786f8a16f08c391285
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
88d08e48bce5377cc23424361a55835276cee97e61a6a650f576446308a12abf
MD5 hash:
dc06f10cc951eef4c26f60c02880bbfb
SHA1 hash:
79825542624a3e52a62fa1239e23d387abbff3cc
SH256 hash:
5637aef3fb43a418cd5bb036103fb3f7427e5062c5d23e14ab3b65c7d87793ec
MD5 hash:
214811e792b69344c84b2f31c81742cc
SHA1 hash:
61d2173bfb836ea8acb0ee9dab44e51b4b8d7158
SH256 hash:
5637aef3fb43a418cd5bb036103fb3f7427e5062c5d23e14ab3b65c7d87793ec
MD5 hash:
214811e792b69344c84b2f31c81742cc
SHA1 hash:
61d2173bfb836ea8acb0ee9dab44e51b4b8d7158
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