MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 751bac1e9305d5ee6fa68f8e1c9cc23775062207c92fd5bf595a09ceea1aa2a0. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 751bac1e9305d5ee6fa68f8e1c9cc23775062207c92fd5bf595a09ceea1aa2a0
SHA3-384 hash: 8bc311a9440c81acb46a27b9a9c0e6a2adbb01d3f377fa71e944b8e93299e6dd6c9d36674aeacafacf3199029e0c61f9
SHA1 hash: b896e2d774e4e5e53ab376ec4dfddf6b7be2df19
MD5 hash: 91bf7f47b31e342359cb3a80cc2e2b46
humanhash: kilo-rugby-ten-early
File name:file
Download: download sample
Signature GCleaner
File size:1'867'929 bytes
First seen:2023-06-09 08:13:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 80417b621299e3e1de617305557a3c68 (48 x GCleaner, 44 x Backdoor.TeamViewer, 31 x Socks5Systemz)
ssdeep 24576:5I39deUhVGuIOXY4LKK9JCy0fRKPv9vudQ8iPSr5iVDbKUNhzZZaBtuShUtxGX5y:56dPGvc5u0hGIA28idNhFZa3Xsh
TLSH T134853306D6D6D073E4719678BE08C661E9BB3F203C320D98690C5E8E6B77746886E7F4
TrID 50.8% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.6% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 005a3aaaa928a009 (5 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 :
1
# of downloads :
269
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-09 08:15:37 UTC
Tags:
installer gcleaner rat redline loader stealer

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
Running batch commands
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
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 lolbin overlay packed 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 / 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: 884806 Sample: file.exe Startdate: 09/06/2023 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-DK38S.tmp, PE32 10->31 dropped 13 is-DK38S.tmp 10 23 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 5 other files (4 malicious) 13->39 dropped 16 Rec69.exe 21 13->16         started        process8 dnsIp9 41 45.12.253.56, 49705, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49706, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49707, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...Bu90WHub.exe, PE32 16->29 dropped 20 EBu90WHub.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:
2023-06-09 08:13:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
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:
c3851a52d3b92353d79f5fbc25b93e465d55dc0a662b937cb2189afc51e6c04e
MD5 hash:
6fed52eb31e34baaef41ccd99e1fe1af
SHA1 hash:
78a9c5b9163bb70ac70838ba1e21fad623932b35
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
816beac3733a0faa5aa475a7df441319fa2bb0d892f1e65a74ecea9d08656765
MD5 hash:
1440c49b8e08994132061bf3649ee8f1
SHA1 hash:
c683c85f8b91c955093964f461feb09891029bcd
SH256 hash:
8bc5696fb675bc985d52a35eee1cb84260da7e51514b5defddba8d0af66bac32
MD5 hash:
e0f1d5754006de39562d8bd0a0c7cb5f
SHA1 hash:
30c38c1c47dbe37a1408b9c89346d5d9b7ea0709
SH256 hash:
751bac1e9305d5ee6fa68f8e1c9cc23775062207c92fd5bf595a09ceea1aa2a0
MD5 hash:
91bf7f47b31e342359cb3a80cc2e2b46
SHA1 hash:
b896e2d774e4e5e53ab376ec4dfddf6b7be2df19
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