MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd4d88b6c641e6115d73323f28b7a9503984f3b94da8d5422be11db0baa10076. 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: bd4d88b6c641e6115d73323f28b7a9503984f3b94da8d5422be11db0baa10076
SHA3-384 hash: c29243d7ee944755f0f94fcacffaa5906704b0c96b88d6b98f5331b60d250c9715c9edbb550097262f8ccd998b4f105e
SHA1 hash: 0bb752b88b06b6a87ceecc2c8f50e81065e7dc81
MD5 hash: a5c047951544ceac9031408b39a35107
humanhash: sad-finch-maryland-artist
File name:file
Download: download sample
Signature GCleaner
File size:3'129'544 bytes
First seen:2023-02-13 21:19:41 UTC
Last seen:2023-02-13 21:41:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'455 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:rdHZtv9xzVx3FaCYLiDpmWer+Q6Pq2piNDstP7aBoMen/A5v1BXxLCgv2MR:JHXFxBxYeD4nJkpQYFnyNvv2MR
TLSH T1C6E5127C7245C46DC2C0FEB4882A94F75CDA6EE3E9A4E42231D97F3F56B9288470A507
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 :
7
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-13 21:23:17 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
Sending a custom TCP 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:
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:
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: 806639 Sample: file.exe Startdate: 13/02/2023 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 18 17 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->37 dropped 39 7 other files (6 malicious) 14->39 dropped 17 FRec213.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49717, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49718, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49719, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\FaB4UszvAXx.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 FaB4UszvAXx.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Suspicious
First seen:
2023-02-13 21:20:22 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 39 (35.90%)
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:
816b862de0f175b3227315cdda732802f218d17f39d6b17458e37bbcbf06d09d
MD5 hash:
03f56bab1fd1fb1ebb9768f215f3b1f5
SHA1 hash:
b32c936b716a3a593b0837339835400fca3c6b6b
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
393c5ff6feadfbdb8931f0a58d37d0e5530c55d9e7eb6fd6aa731104ce8d09ba
MD5 hash:
a6bedd75859f092b17c7668c9580204b
SHA1 hash:
6812886b773fbf35f9a6b5c482fa82247940c7b1
SH256 hash:
62375d0768fa5cac3ac90cfb5c2229b3aec356a2fa7501103053a5473f80b3b3
MD5 hash:
3f899b3940b4c1aa02141d6005dca201
SHA1 hash:
0e6235be27fb0c72ea84a6edcf3849d6edbb883b
SH256 hash:
bd4d88b6c641e6115d73323f28b7a9503984f3b94da8d5422be11db0baa10076
MD5 hash:
a5c047951544ceac9031408b39a35107
SHA1 hash:
0bb752b88b06b6a87ceecc2c8f50e81065e7dc81
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