MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a00c148c8af08c00fe06b87154f692311d7d17d90a2c291959dbef16a145db6b. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: a00c148c8af08c00fe06b87154f692311d7d17d90a2c291959dbef16a145db6b
SHA3-384 hash: 848c8a77f9bdf6dc2d6db20521e2447261de2da084d4a8d18f4ad611a7bd988fba1021ac8b2e438717af335cdfeed577
SHA1 hash: 2a2dae1a7548a289f933cc2df0944191f971eee1
MD5 hash: 648f123d7ef3b081752702fe82c5a3e4
humanhash: seven-december-red-dakota
File name:file
Download: download sample
Signature GCleaner
File size:1'809'854 bytes
First seen:2023-01-23 20:46:38 UTC
Last seen:2023-01-23 21:28:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'447 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:ON1fZeojpDdSRzPpghg+2JnqW18V0KrEJs0Jw2CIN61V:w1fRJSnghg31kElBVN61V
TLSH T1E48533835B619135F8B2D9710DB47231952BBDE53871A85D63DCFEA8EB81342D20A3B3
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 78f8f9d9ccc088e1 (51 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 :
16
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-23 20:49:40 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 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:
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
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 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: 790153 Sample: file.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 92 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for submitted file 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 22 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 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49691, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49692, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49693, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\w0JGUGskiV.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 w0JGUGskiV.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Gathering data
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:
831a532202988bdfc1a7e927048c2656198b9219a01527c31880d1cd1af1c406
MD5 hash:
896df44f41a52b584c2272989b106f44
SHA1 hash:
ca01ae10498a9969894a11223f19fd5e1d0a3ffc
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
f01784a76681f5e5327fb28370b576a5cd67e1f7a0a6b52067260d1b3dbd347f
MD5 hash:
807cb00adb2f46fdfe6e6f456a1538a9
SHA1 hash:
61b55d2da33b230ef973d82717d6d521d9da5481
SH256 hash:
a00c148c8af08c00fe06b87154f692311d7d17d90a2c291959dbef16a145db6b
MD5 hash:
648f123d7ef3b081752702fe82c5a3e4
SHA1 hash:
2a2dae1a7548a289f933cc2df0944191f971eee1
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