MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a2659cc422414f0bbfc9c3778df91575c4c461bfbd05e5c799daeb76e7396a1. 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: 4a2659cc422414f0bbfc9c3778df91575c4c461bfbd05e5c799daeb76e7396a1
SHA3-384 hash: 5aba21d54a43a2a838e039322924a76bfbbd79bd402cfe469aee834181a4a225fbe08dd65d2c394dab76a1a387c98442
SHA1 hash: 8ca141e4450e872e8276a4c6b159ad558cf8a4de
MD5 hash: 82469c55792bd9033cc5293155d1b537
humanhash: lithium-mississippi-indigo-sweet
File name:file
Download: download sample
Signature GCleaner
File size:2'617'630 bytes
First seen:2022-10-28 14:16:50 UTC
Last seen:2022-10-28 14:43:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'461 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z22ZSJt1e1ZBfnZ+NocThaTSeGnVk4ipLj807Mx3KlN4EoP4KVA5hq:M2ZSb14ZB/ytThuS64WH82MxMNHoyDq
TLSH T193C5334B64C1BE33C0D2C574FAFD445A1B766A09451EABF83ACC88B82F7B2D11455BA3
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
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://95.214.24.96/load.php?pub=mixinte

Intelligence


File Origin
# of uploads :
10
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 14:18:37 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
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Moving a file to the %AppData% subdirectory
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 process
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:
Likely Malicious
Threat level:
  7.5/10
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:
Unknown
Detection:
suspicious
Classification:
n/a
Score:
30 / 100
Signature
Machine Learning detection for dropped file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 733089 Sample: file.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 30 25 Machine Learning detection for dropped file 2->25 7 file.exe 2 2->7         started        process3 file4 15 C:\Users\user\AppData\Local\...\is-E6QC3.tmp, PE32 7->15 dropped 10 is-E6QC3.tmp 16 25 7->10         started        process5 file6 17 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 10->17 dropped 19 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 10->19 dropped 21 C:\...\unins000.exe (copy), PE32 10->21 dropped 23 4 other files (2 malicious) 10->23 dropped 13 fbsearcher62.exe 10->13         started        process7
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-28 15:19:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
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
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a71899f8e39475116b6318f303088bf1d11660acc917dbafb2f6128cc4f90e38
MD5 hash:
14b2122ffebe54b7d4f8263d96939bda
SHA1 hash:
4b0707db34e7ede1d383c33d607c5999eb466647
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
a3d975bb506ba6c9817721929214d7318cecbf75d123a5572a2427fc91db6402
MD5 hash:
8bc0e0893305ca7fbe6e75bb6025e2e7
SHA1 hash:
a71bcec865ea0ebb0cf2d64d3d50b1d7b50a7f54
SH256 hash:
8e1d4dd8b54bc595e09f9c2fb265616ccd8ee271576f54647551f1310429be74
MD5 hash:
a90b37624d584e28d00072be954250c7
SHA1 hash:
8a043727c7f47b7d14d7d1ddbc0556eb5bb18beb
SH256 hash:
4a2659cc422414f0bbfc9c3778df91575c4c461bfbd05e5c799daeb76e7396a1
MD5 hash:
82469c55792bd9033cc5293155d1b537
SHA1 hash:
8ca141e4450e872e8276a4c6b159ad558cf8a4de
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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