MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83ae1e9f79143939910bd2410f8d9756b475ca70d4d92eaedb5617ba853c9db1. 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: 83ae1e9f79143939910bd2410f8d9756b475ca70d4d92eaedb5617ba853c9db1
SHA3-384 hash: b6a50187f1135abfe8c3e49375c6458697db54c7882469534b3dbeb5fca14b8fa1a12e4d78bf9756c7126bf580553385
SHA1 hash: 68aa03f02d928871f3d772595a1cc4d744b80408
MD5 hash: d66a70d8eb9491183d27474982c96a30
humanhash: september-florida-winner-quebec
File name:file
Download: download sample
Signature GCleaner
File size:2'320'141 bytes
First seen:2023-02-04 05:30:23 UTC
Last seen:2023-02-04 05:44:33 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:A2Z6wG/SZX2QxGQOAXeYaXTby8JJJ3QjwiLUN+LCgv2MR:NrcAXeYaDbNJFTo3v2MR
TLSH T153B5DE021D99E4ABE1C98FB0DCF71EFB4D50ED79C0B8591391047EFA3A32E522C46669
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 96968e8e0f0f9696 (49 x GCleaner, 1 x NetSupport)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
8
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-04 05:32:42 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
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
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 798433 Sample: file.exe Startdate: 04/02/2023 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 Detected unpacking (changes PE section rights) 2->54 56 4 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 FRec24.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49700, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49701, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49702, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\mEbcA4cZyP7ObM.exe, PE32 17->30 dropped 21 mEbcA4cZyP7ObM.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:
2023-02-04 05:31:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 26 (50.00%)
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:
a0929badc9e7fb45acf6ffff4640168b9218e034c3c02e9d97402aac5e21b8b9
MD5 hash:
91021eecadece5f5e59eec06669fe968
SHA1 hash:
e61d4a6c346c7b219d563c0a5e4514c5735aa174
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
4dc1c96eeacf0c76d826a0daff3b96ebbd821a23416bc9c48b4ec66446c4b6d6
MD5 hash:
be2cdd6acff15a70b5167d7b6b502565
SHA1 hash:
e0a84f391b43a96632316a4dcc6db3cb06fd85bb
SH256 hash:
83ae1e9f79143939910bd2410f8d9756b475ca70d4d92eaedb5617ba853c9db1
MD5 hash:
d66a70d8eb9491183d27474982c96a30
SHA1 hash:
68aa03f02d928871f3d772595a1cc4d744b80408
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