MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15abe18fbfd0002449e134df971fe3649ffbce4816d30fd8f8273a656c8855e. 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: a15abe18fbfd0002449e134df971fe3649ffbce4816d30fd8f8273a656c8855e
SHA3-384 hash: 0e349a77703c04ab9273a865e5ec0503ea91eac40d328d317e352dc52df0441bdeac740460caab415f8fdd7b8f734fc3
SHA1 hash: b13c361b2af3618508460212c8e884d2d3bd9ccb
MD5 hash: 3fc920db7337c9e02b9d98a8aa177822
humanhash: happy-shade-south-nitrogen
File name:file
Download: download sample
Signature GCleaner
File size:2'768'213 bytes
First seen:2023-06-20 12:52:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:2GagcuX6DvM6S4r+yv/Jc+1qSdCUmCSejBnvpBv+gTzjZz6mFjGlF9KYEkiIH8xb:fagcuX6DU6X+Qe+1MCnj5hBvVFl29KmU
Threatray 11 similar samples on MalwareBazaar
TLSH T1E4D522419B7CD960D4EC98F5FFE133C8A138E4251EF641EA28BB5A3BB4A550C1E3B524
TrID 61.1% (.EXE) Inno Setup installer (109740/4/30)
23.9% (.EXE) InstallShield setup (43053/19/16)
7.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.5% (.EXE) Win32 Executable (generic) (4505/5/1)
1.1% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon cc3271cccc65328e (8 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 :
293
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-20 12:53:32 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
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
Running batch commands
Creating a process with a hidden window
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcleaner greyware installer lolbin 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:
Nymaim, PrivateLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
Snort IDS alert for network traffic
Yara detected Nymaim
Yara detected PrivateLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 891226 Sample: file.exe Startdate: 20/06/2023 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 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-T1NJF.tmp, PE32 10->31 dropped 13 is-T1NJF.tmp 10 24 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:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 13->37 dropped 39 6 other files (5 malicious) 13->39 dropped 16 Rec620.exe 22 13->16         started        process8 dnsIp9 41 45.12.253.56, 49700, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49701, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49702, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\aWzDG7zJf.exe, PE32 16->29 dropped 20 aWzDG7zJf.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:
2023-06-20 12:53:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 24 (45.83%)
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:
293e215024963bfe89033d00593de64c4bba571fc2036c891a5a761e3e1cc967
MD5 hash:
b4adf7b076e582246d0a6c20eba8b16e
SHA1 hash:
71f3aa83e3730d62b70dcc0b1901d6be5a72203d
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
0a4be679a628d8fbd4f301246e52e2c75dd43148e695a540226ec1e828a71392
MD5 hash:
8d446bff9857a0dfdf4cec6125f0a2d3
SHA1 hash:
cd1c25005d28fba45f9e17a1e786723a45319a66
SH256 hash:
d1ee2b121667c722e4a93694bc10deaf00339b9e22259b0d2c4b2c3825aaab6e
MD5 hash:
955daa9c6e4fbbad43a424ffc27f63fd
SHA1 hash:
be477f015d52ef531f802eed46da8084205a3a9f
SH256 hash:
a15abe18fbfd0002449e134df971fe3649ffbce4816d30fd8f8273a656c8855e
MD5 hash:
3fc920db7337c9e02b9d98a8aa177822
SHA1 hash:
b13c361b2af3618508460212c8e884d2d3bd9ccb
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