MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cdf0af1ba88712c5db1f4f45384ccb30864b4f57db407744413be5d10d4f885. 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: 4cdf0af1ba88712c5db1f4f45384ccb30864b4f57db407744413be5d10d4f885
SHA3-384 hash: fbfaef37b3c15ab54563a7d64e24ce4341206895939d87a3616dc99e37ccda10792a350d3a590b6d4aaddf1e06866d67
SHA1 hash: 2e15fcfe36ccbd153fc518b0a8f63588b439b2f1
MD5 hash: c3d63ee8b2f647335218e2f6216e65f7
humanhash: april-fillet-nebraska-august
File name:file
Download: download sample
Signature GCleaner
File size:2'062'146 bytes
First seen:2023-02-05 17:16:52 UTC
Last seen:2023-02-05 17:44:23 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:xahu7pyJhcCq82OQO0ntkQLhpK/9Aeam4hKr6ti+ZdLCgv2MR:QqpyhdLvatHQ/nam4Kr6M+nv2MR
TLSH T14A953386A520C4E4C381CF79DD1D0CF028771D50A6E46A8B366E7FAB3FB324D54AE621
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 3cfcd4d4f4f2f2b2 (49 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 :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-05 17:19:45 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 %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
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
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:
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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 798847 Sample: file.exe Startdate: 05/02/2023 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 Detected unpacking (changes PE section rights) 2->54 56 4 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 FRec25.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49697, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49698, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49699, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\VRgJY8.exe, PE32 17->30 dropped 21 VRgJY8.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:
2023-02-05 17:17:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
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:
cad390be7b3518fc10ce2302fb760885593f579759c9b32730c4542663148110
MD5 hash:
75f54e21a1206c23c3a32e6a770057e9
SHA1 hash:
6856914cc5137055e83fb547bd999ea13b46bb4c
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
f14b79b4608389aed38d22dd5cf2739c739e09272b88b052289c0c2b0740e919
MD5 hash:
6420f85a47b5972c2431965ccf823d30
SHA1 hash:
a06cd03c42638cea6722cc64fb72cc3b2e32503c
SH256 hash:
9f00c6baa690a992404475a8914afc730ab7ccb7e5c6438e2b73aed38d90209f
MD5 hash:
3fec606062162e38338c9630734b4e2d
SHA1 hash:
16db94d27fc003844f16f1428f639173be938e52
SH256 hash:
4cdf0af1ba88712c5db1f4f45384ccb30864b4f57db407744413be5d10d4f885
MD5 hash:
c3d63ee8b2f647335218e2f6216e65f7
SHA1 hash:
2e15fcfe36ccbd153fc518b0a8f63588b439b2f1
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