MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e3a91bf1085d91f998108f824f8bcce3d90dccac06be4d93aaa360e8ddd4124. 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: 4e3a91bf1085d91f998108f824f8bcce3d90dccac06be4d93aaa360e8ddd4124
SHA3-384 hash: 52371f2582cf37f94bb781bc1af09d04a7926e218049db39ff32f6963e2f901a112cd8d0dda3bb48bb5340932b923969
SHA1 hash: 4d042c1e8bc4fab52da0b892a81bda4d149c4a4f
MD5 hash: cd2de7abd465853e38d67d546423cc69
humanhash: arkansas-fish-crazy-nitrogen
File name:file
Download: download sample
Signature GCleaner
File size:2'386'935 bytes
First seen:2022-10-27 16:45:33 UTC
Last seen:2022-10-27 17:11:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'451 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2YHmJKrrzcf29Xa72A5dCAPDj9DNyxC+y93y74jNpOAA5hq:MCeqwf2g2A5dCE+k938GpcDq
TLSH T1CFB5331BC6A485B3C014657EA81E9F21E361FF23247F542EB17D888DAF53D64A00A3DB
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 :
12
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-27 16:47:20 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
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
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:
88 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-27 17:22:57 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
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
Unpacked files
SH256 hash:
b1b084d7ac42ada2f84f151e791f7cc7109ad8f1f15caf5250fbb7fb9a293358
MD5 hash:
9ea4b1e37079fb1cffa1e08f4a3b2114
SHA1 hash:
3a16596233b2b7563d4c8a7b4dac22742001cc07
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
dca000802d34af16c7a09d8ddd249df74f9a0a281262c49b0fa1e9c394258e41
MD5 hash:
590b1294e86692aad168710ed6a55de1
SHA1 hash:
4db57938beade0a436a7b753a45dfd0d88f4c1ee
SH256 hash:
4e3a91bf1085d91f998108f824f8bcce3d90dccac06be4d93aaa360e8ddd4124
MD5 hash:
cd2de7abd465853e38d67d546423cc69
SHA1 hash:
4d042c1e8bc4fab52da0b892a81bda4d149c4a4f
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