MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 612123704dc68275e51165e075b3b55e30b2923a388916d9ac86f5a95cd87068. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 612123704dc68275e51165e075b3b55e30b2923a388916d9ac86f5a95cd87068
SHA3-384 hash: 0f214a0954c8e4eb46bd30f9fa0131441c0cb90d960a22c7002a503f2975843c41ec2faa747272e8f86a33a959923812
SHA1 hash: 272e2d5fc96daed88bafc9e7c7278354e7a5d857
MD5 hash: 231ab6d1a9865bc80a242c6314a1cad2
humanhash: kansas-helium-glucose-vegan
File name:file
Download: download sample
Signature GCleaner
File size:2'000'308 bytes
First seen:2023-02-03 09:16:07 UTC
Last seen:2023-02-03 09:29:27 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:ygEUUkQSCZznfNhmhmj1Yo0/NsHLCgv2MR:TEUUkQSCZzfrFP0/Av2MR
TLSH T1CA9533A2E9A275BAC22287327C30B462AD21AF57367416B4B1ED571D1F1B3F0C40B7D6
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon fcfcf8dafafefe00 (49 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 :
10
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-03 09:16:26 UTC
Tags:
installer

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
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware 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:
96 / 100
Signature
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)
Multi AV Scanner detection for dropped file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 797731 Sample: file.exe Startdate: 03/02/2023 Architecture: WINDOWS Score: 96 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 3 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 16 10->14         started        signatures6 process7 file8 34 C:\Program Files (x86)\...\finalrecovery.exe, PE32 14->34 dropped 36 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->38 dropped 40 6 other files (none is malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49685, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49686, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49687, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\5aSkmKushtup.exe, PE32 17->30 dropped 21 5aSkmKushtup.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-03 09:17:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
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:
6e265c778eded0e55119bef6d0bf015835630592d94a59febd20c249a0c7ddef
MD5 hash:
17618d606883af87728a489c08f374e1
SHA1 hash:
60b5db99d43081df3c44ecd76ef952aa6fff310b
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
f09a242c89c06a1162bcba2d491b6e85a3c03951eaa95473f4ca340e4a0466cb
MD5 hash:
8fb972ea0c7540ec92cc093657ec046e
SHA1 hash:
d1a7083a08d40f34e77ec943c2e5fae4a250312e
SH256 hash:
a340352e7fd2976af30ecbac7a7f16ed1e8ea159ddaa08e7f219f561dfcca96e
MD5 hash:
eb7af6ad2ff77b4cde4c858d932e7d83
SHA1 hash:
46fe373779b1f19abdcffff0e19fb0cc64f72578
SH256 hash:
612123704dc68275e51165e075b3b55e30b2923a388916d9ac86f5a95cd87068
MD5 hash:
231ab6d1a9865bc80a242c6314a1cad2
SHA1 hash:
272e2d5fc96daed88bafc9e7c7278354e7a5d857
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