MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb1d02439ee479924b4b503533592a8ac47a0fc66291ff241a66a936889925ea. 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: cb1d02439ee479924b4b503533592a8ac47a0fc66291ff241a66a936889925ea
SHA3-384 hash: e7cf4de492f9059db0ff5031d7c14661f785a8d8ab1949a326cbaa8c4560b1cf6a9770465f81765348d76f0786ad7a39
SHA1 hash: f636949ef963039a0ecb7531375f95d11940e245
MD5 hash: 9ac53bedff467fddeb9944a617f5a7fb
humanhash: apart-pip-hotel-eleven
File name:file
Download: download sample
Signature GCleaner
File size:1'796'801 bytes
First seen:2023-01-24 17:47:14 UTC
Last seen:2023-01-24 18:13:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:ZLPkfbw1udYomT/XV3IBjyg73ggQhhCULCgv2MR:4bNKog93IBygx+jv2MR
TLSH T1688533116F698032F1A3C236DD92C548113FB72E41F9550B365DBA6E2E3E689FD4B321
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 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 :
11
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-24 17:48:31 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
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Sending an HTTP GET 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:
100 / 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)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 790901 Sample: file.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 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 Multi AV Scanner detection for submitted file 2->54 56 5 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:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49703, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49704, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49705, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\YZ9EydGA6GeAB.exe, PE32 17->30 dropped 21 YZ9EydGA6GeAB.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:
Suspicious
First seen:
2023-01-24 18:13:37 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 39 (43.59%)
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
Loads dropped DLL
Executes dropped EXE
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:
41bac8ca8f5b62e2740fadda6f34da42f0009b256d646041b622ed1839282dac
MD5 hash:
a8c0d22073b36920135a4154382588f7
SHA1 hash:
0b054aae260bcadd1f28dcc63edd3f52c30ba129
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
ade0b10a5a460a9fd09792d4d625c0b8793e05eb86eadb1ad90e6525b619d42c
MD5 hash:
d2b3e4e48e18c6d30035f4ca2dc852f9
SHA1 hash:
373d181f17782d2ddce09b84a5a86e5e8b642c12
SH256 hash:
aa16668fc92945dcf990806eca846c0783227c688c5040aa910161dfd5e53a90
MD5 hash:
423893594876c33dcf38293564f31346
SHA1 hash:
149d2aeb6250c127ad503373d3b8408bd160dbeb
SH256 hash:
cb1d02439ee479924b4b503533592a8ac47a0fc66291ff241a66a936889925ea
MD5 hash:
9ac53bedff467fddeb9944a617f5a7fb
SHA1 hash:
f636949ef963039a0ecb7531375f95d11940e245
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