MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ad21112151f0441a9be7b9baca55a7595491c7e3bb0f8b9247eb3054adb9143. 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: 4ad21112151f0441a9be7b9baca55a7595491c7e3bb0f8b9247eb3054adb9143
SHA3-384 hash: 11b9b4f3a00e1baaee9b106c7483aaf2785b2398d9db5e9a77dfceb735a1ec9c71cfdb6831b3704d1d0a01fc9515af73
SHA1 hash: 41971e5694a8795b1a212ba8ec0d69a8c4012b4e
MD5 hash: 742a4c6151f49c85e0f46df7a91598d9
humanhash: steak-speaker-lactose-pip
File name:file
Download: download sample
Signature GCleaner
File size:2'631'953 bytes
First seen:2023-06-16 08:43:29 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 49152:86dGy0usHl1c4RlMduFfroshrycvDP17zgeeld6Xa5AIx2bInwDOZ:bdeHZg8fUohzgrIIx2TDOZ
Threatray 28 similar samples on MalwareBazaar
TLSH T152C53343DF8998F2F83363B8D8328B22AD5B7D775534849DA30E35291E3A1DB1D4162B
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 01f8c0e8e8bcfc00 (25 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 :
300
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-16 08:46:39 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
Searching for synchronization primitives
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:
100%
Tags:
greyware installer lolbin overlay 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: 888884 Sample: file.exe Startdate: 16/06/2023 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-IPV2D.tmp, PE32 10->31 dropped 13 is-IPV2D.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 Rec616.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49682, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49683, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49684, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\DZUlFDqF.exe, PE32 16->29 dropped 20 DZUlFDqF.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.Gcleaner
Status:
Suspicious
First seen:
2023-06-16 08:44:07 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:
2d030425e88feac8fa77d9847c1e1a24530391ba7e5a16b2e9e5b294a8f40ec8
MD5 hash:
b04385a47a27cf21b172b55d76d164e1
SHA1 hash:
ad0b61e8bb61421c8e6994dc0f6c16c0443430b9
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
e15eaa493387bd30181b4e9ce37fe78569d3fcbde6a10f318443b56a1394ae41
MD5 hash:
8c5a4541d853063d57bfb247afda0a93
SHA1 hash:
def86bafb8a525197856fcec14e146ae608041d5
SH256 hash:
30208986a0b556b371872b24002e837a4fed4fee49a2b9e339800dd667dea6fc
MD5 hash:
e2700e8b6ec387910995f1be70c6078d
SHA1 hash:
4e2212cbc3fb01c619462515b460d7437c0964bf
SH256 hash:
4ad21112151f0441a9be7b9baca55a7595491c7e3bb0f8b9247eb3054adb9143
MD5 hash:
742a4c6151f49c85e0f46df7a91598d9
SHA1 hash:
41971e5694a8795b1a212ba8ec0d69a8c4012b4e
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