MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82b8a9b5410be2544da27a0d6ac2c18458cdda39f45402e01aea852326d7f1eb. 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: 82b8a9b5410be2544da27a0d6ac2c18458cdda39f45402e01aea852326d7f1eb
SHA3-384 hash: 962f2bc9566cc2e9da4f1ae799e2aedebd8ad1f0445aeacdbd444c186a1cc57d799f91012a3ca7764f4780e30e57c3f9
SHA1 hash: aeb80cd1b727cfcde3444d2ebd34f8a330d8f1cc
MD5 hash: 5cb85ccf1999b40ce92ac194823f26f3
humanhash: ten-lake-don-rugby
File name:file
Download: download sample
Signature GCleaner
File size:3'371'194 bytes
First seen:2023-02-14 20:17:46 UTC
Last seen:2023-02-14 20:59:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'447 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JHzix4Q11rJW2JZhd/gwSspjmxrpS/uev2MR:dzLQLrJW2JXlqrpS2evjR
TLSH T170F5123C7144C56DC680BEB48D3AD8F71CE66DE3E9E8A42270DA7F3F55786894A0A113
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 14b0b0fceeaa3b18 (363 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 :
11
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-14 20:20:14 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 %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
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
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 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: 807634 Sample: file.exe Startdate: 14/02/2023 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 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec214.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49698, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49699, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49700, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\wYyw8IQD.exe, PE32 17->30 dropped 21 wYyw8IQD.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:
2023-02-14 20:18:56 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 26 (61.54%)
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
Executes dropped EXE
Loads dropped DLL
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:
2448e8f3f4d72df41c87c16da4489294308ce32dfa21467d0c5b22c8f34a4877
MD5 hash:
eb7a0dcdbcb908fb0420f7d8f2fde8af
SHA1 hash:
c3db672bc53e62002ea797fa5d29ce30a164c7c1
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
e1342e4c5e8bda5c6b7544cf67c4181e0ee5e19e41bafbcea2bb0cef8cae7258
MD5 hash:
71f9aff0a4ab41858592d05517a3ff9f
SHA1 hash:
9edf3ff9920a1721929db66cc72bc428e893fdf8
SH256 hash:
323f555793af5bb8c5cae0e655fa2104c638c9bea480f52261ee2e0501476561
MD5 hash:
a4a65b014344fcce064412bc59ff6881
SHA1 hash:
9c35f49f2c6b11fe35d5428e5cef7cc4409b453c
SH256 hash:
82b8a9b5410be2544da27a0d6ac2c18458cdda39f45402e01aea852326d7f1eb
MD5 hash:
5cb85ccf1999b40ce92ac194823f26f3
SHA1 hash:
aeb80cd1b727cfcde3444d2ebd34f8a330d8f1cc
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