MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca71d9fc64d8dce224e42bf7133d6fca288e5598ba5488cf732779419f030884. 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: ca71d9fc64d8dce224e42bf7133d6fca288e5598ba5488cf732779419f030884
SHA3-384 hash: fd739180bb5849981cd65406a83e56843ad136b3b07ecf20e06c3626f621c5e041b8db966a8e9988b31795857412e46e
SHA1 hash: e53c165070f671c634f967b90438d6e09cf0ff08
MD5 hash: 1d4de39c6385132f52de969dadf46d2a
humanhash: burger-nebraska-seven-london
File name:file
Download: download sample
Signature GCleaner
File size:2'728'370 bytes
First seen:2023-02-08 10:30:16 UTC
Last seen:2023-02-08 10:57:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:rdHvoDVy8FeTWb/tN57WkwKXvwut8eTW9Oc01mfhub3JjwRjLCgv2MR:JHvoDA8tb/tN9WXK/78O1Umjwnv2MR
TLSH T16EC512BC7105C46DD2C0BEB4CD3A94E75CD66EE3E9A0A56270DD7F3F91B91889A0A103
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 :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-08 10:33:00 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
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
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
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:
80%
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
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: 801446 Sample: file.exe Startdate: 08/02/2023 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 17 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 FRec28.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\Roaming\...\24I3NU.exe, PE32 17->30 dropped 21 24I3NU.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.Generic
Status:
Suspicious
First seen:
2023-02-08 10:31:07 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
5 of 39 (12.82%)
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:
22b28772eeb71c67361c8238979f16e0b7e818f92092fbccd77a13d3c54f86f6
MD5 hash:
69e8a9078208323e6fd4c709228c0a84
SHA1 hash:
343e909c2fd2fbcbf6f339336385bc851933c052
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
aca70ca3f32a154cb120d8f7d1d07370e16019b9e1af608213e69700ce956718
MD5 hash:
866619bb22feaef3ecad08da28aa1024
SHA1 hash:
d996eb39be52ae99d68d08b165511b4579e8597d
SH256 hash:
a85836c8a63cb546e5c3dedd865725b62fdabf943e2a696b5d0b1052ae20f6a3
MD5 hash:
dd6211e93847aae38ebae3f4d624e3b1
SHA1 hash:
04a919056efa446116c0f9c8ba7034f22c7ac8aa
SH256 hash:
ca71d9fc64d8dce224e42bf7133d6fca288e5598ba5488cf732779419f030884
MD5 hash:
1d4de39c6385132f52de969dadf46d2a
SHA1 hash:
e53c165070f671c634f967b90438d6e09cf0ff08
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