MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f333edff0517d55306406bf5ec51ceeb22b9cc0663b725095f5fd37d95842d1. 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: 2f333edff0517d55306406bf5ec51ceeb22b9cc0663b725095f5fd37d95842d1
SHA3-384 hash: 8d21689049d4837af8de07f6e2980b8e2809e43ceb47429739030e6957a732915e7365b400b2e3834179f6e352ef303b
SHA1 hash: 6883a78265c1fa4bc8e6adf58b2fcb8c2ef56e32
MD5 hash: c000ca1eb698e1a5e92cbe274cdebe93
humanhash: lactose-mars-robert-red
File name:file
Download: download sample
Signature GCleaner
File size:2'002'644 bytes
First seen:2023-01-19 02:41:09 UTC
Last seen:2023-01-19 04:28:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'462 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:k3lK8LSZ78vP8ix77eRaHGMCQz0F4dy8uUQz243GTvmeFTIxpr0gzUqFaxDTFzVk:k1JLSZ68k7IEV0kOCRvmeMprNIVZXGH
TLSH T13E951261B0A28235E5C95D38AC91982D66337E6CBDE4F10B28E83D5B37BF5CF2905352
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 c1c0e0c88c8ccce8 (22 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 :
7
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-19 02:43:32 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
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:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
greyware overlay packed shell32.dll
Result
Verdict:
MALICIOUS
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: 787080 Sample: file.exe Startdate: 19/01/2023 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 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 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, 49689, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49690, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49691, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\ryUkFUUulT.exe, PE32 17->30 dropped 21 ryUkFUUulT.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.Cerbu
Status:
Malicious
First seen:
2023-01-19 02:42:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 39 (28.21%)
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
Program crash
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:
fd5abe0a62f603099ab201dc5043f10794c13097b682f90f499e73276b04b167
MD5 hash:
a0a3667f68d4fda2c028add94e8e9491
SHA1 hash:
c327b607d137c6ff31c3d6a379e5896fdf15ff8a
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
3eda86f7742df0a961efccf72c6abd63d79b0776d42637f2227dacb9dee24974
MD5 hash:
ac02356cc6abebe6139bf61970a99991
SHA1 hash:
78353f14ff6270e24ef924b189c32c1affb76c8e
SH256 hash:
2f333edff0517d55306406bf5ec51ceeb22b9cc0663b725095f5fd37d95842d1
MD5 hash:
c000ca1eb698e1a5e92cbe274cdebe93
SHA1 hash:
6883a78265c1fa4bc8e6adf58b2fcb8c2ef56e32
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