MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28298b9302a467ad92b509e1a961e5d98a5179f9cec7cebd1cfe50e844506a77. 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: 28298b9302a467ad92b509e1a961e5d98a5179f9cec7cebd1cfe50e844506a77
SHA3-384 hash: e1c6d12133d140efbceb9cf1fecd5ab197af4a9b219ce8326b332aabaa3f52972e6da5672fe063711c35ebb85e487bf6
SHA1 hash: 9ceaf33034147557c938e4f658ee2a054260c507
MD5 hash: 21321336c670d1b96295499d7697c105
humanhash: lake-eight-carolina-georgia
File name:file
Download: download sample
Signature GCleaner
File size:2'026'537 bytes
First seen:2023-05-19 09:52:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e92b45c54aa05ec107d5ef90662e6b33 (363 x GCleaner, 38 x Socks5Systemz, 3 x Backdoor.TeamViewer)
ssdeep 49152:KiJ6hloLsJLD7cAKYQ0E7OtjjgfKs8wuV:KiQhyLsJn79vAOtjGFI
Threatray 3'764 similar samples on MalwareBazaar
TLSH T16B953318A4968175E1738BB4BF3891A7D5313BE2815A4A1C760B4D5B4FBF640AC8F32F
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
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 :
1
# of downloads :
254
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-19 09:54:18 UTC
Tags:
installer gcleaner rat redline loader stealer laplas clipper laplasclipper

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
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
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 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:
67%
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.
Malware family:
RedLine stealer
Verdict:
Malicious
Result
Threat name:
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 870038 Sample: file.exe Startdate: 19/05/2023 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 6 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-1VTJN.tmp, PE32 10->31 dropped 13 is-1VTJN.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 Rec519.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49694, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49695, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49696, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\Rm8xlvOHVtg84V.exe, PE32 16->29 dropped 20 Rm8xlvOHVtg84V.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:
Malicious
First seen:
2023-05-19 09:53:06 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:
57e06936cb75658153bc1a9e19c5c4741a32b11d75b34a24db0a3f4160840255
MD5 hash:
061a73b9fc4ff5eb8f7168d9e8882a23
SHA1 hash:
d7870c3f1fd6a876d2505a83303b7810ca7dba6c
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
70c82045370f682b1d52e3d27f8c357894f6e001eb43f13900c4f6391a81444e
MD5 hash:
67eeaf5b79a9fc033f62ac120dccf561
SHA1 hash:
75a9d6865877b1965b8d8e38e5a64786a01a81c4
SH256 hash:
9b68a3165db52d4323be45b181c86583fee3d633e91643cbc3ab449d30566fe9
MD5 hash:
951a69e0f3f9b4a2c4386fd8a6ff683f
SHA1 hash:
35b72900493d5e8f0ce8fdec90c0970897b29590
SH256 hash:
28298b9302a467ad92b509e1a961e5d98a5179f9cec7cebd1cfe50e844506a77
MD5 hash:
21321336c670d1b96295499d7697c105
SHA1 hash:
9ceaf33034147557c938e4f658ee2a054260c507
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