MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 475a57f0af58c2edb7909ff79018596fb242e90a619cdac5116accc33049de38. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 475a57f0af58c2edb7909ff79018596fb242e90a619cdac5116accc33049de38
SHA3-384 hash: 79ad3018aeaece00ba34145baf1b7a4515cdd1f314d6211a1ea77024515655403927a0c6fa1391dce93e136977fb65d0
SHA1 hash: 6830f0c5d269a77742d8ff91a16cec6c9a4fbfcf
MD5 hash: 881f2afd4341c9045eb5112297d867b3
humanhash: illinois-washington-washington-venus
File name:file
Download: download sample
Signature GCleaner
File size:3'087'111 bytes
First seen:2023-04-27 08:46:16 UTC
Last seen:2023-04-27 09:11:32 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:EGlJfs/5r4j7AhYo5cJaqatC0YbMsnfWGyKIdSby6EdGHDbKnkr/H2JA+HgEfdVN:5gajkn5cAC0YbMsnYSUd2DOk72a+Hga9
Threatray 124 similar samples on MalwareBazaar
TLSH T188E53346D2B24DB1D0A57BF12C25D400D63678E2A774B51036FC9E2C2B77EC6E6B2B41
TrID 44.1% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
32.6% (.EXE) Inno Setup installer (109740/4/30)
12.3% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.2% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
2
# of downloads :
271
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-27 08:49:22 UTC
Tags:
installer gcleaner

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
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:
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 / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 854970 Sample: file.exe Startdate: 27/04/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 8 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-VDRJ1.tmp, PE32 10->31 dropped 13 is-VDRJ1.tmp 11 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->37 dropped 39 7 other files (5 malicious) 13->39 dropped 16 Rec427.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49691, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49692, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49693, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\K81OPkuA6b.exe, PE32 16->29 dropped 20 K81OPkuA6b.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Threat name:
Win32.Trojan.Privateloader
Status:
Suspicious
First seen:
2023-04-27 08:47:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 22 (68.18%)
Threat level:
  5/5
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:
ef83581372574ff5924083d3243e5a4297b1fcc1e467eabc98b0bfdfe3a3fe2d
MD5 hash:
f4ecffddefe709cfac7c069d5331d4bf
SHA1 hash:
7e33f1e9986b04432e7a18d00c1ec63f81e55df6
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
2f0744d65a1231229c5c380cb87342d460f92477df0c073f962ca7b8ca46f7d9
MD5 hash:
7bf3060148e48ed93f57fe980aada2c1
SHA1 hash:
e7b505b374a2bc1f5c371f1727c29d27c31ce121
SH256 hash:
9aa66939f9ea45cc553a705b67225f69e5b93034fbe4bc2bf8349a6340532f13
MD5 hash:
92ee8fd3c76d287a0f667e2fdb9cc607
SHA1 hash:
c3a3ee32b88aa45ef213ab3d6f775ad69cb8f0bf
SH256 hash:
475a57f0af58c2edb7909ff79018596fb242e90a619cdac5116accc33049de38
MD5 hash:
881f2afd4341c9045eb5112297d867b3
SHA1 hash:
6830f0c5d269a77742d8ff91a16cec6c9a4fbfcf
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