MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5291492898002226968a1ebdea6b140a6e1ed20bfc30ae42b8139e748ce09ca2. 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: 5291492898002226968a1ebdea6b140a6e1ed20bfc30ae42b8139e748ce09ca2
SHA3-384 hash: 840332765e578567bb991eaa463f0b7ecfedfd60c3253e2899c704ea08fb0102ff875068b8a2ef79383411f4719f9704
SHA1 hash: 1d118c6994de8a46cfcb1e4ef79f0f406b57aeb6
MD5 hash: 9a220e573dbbe5ffd2c82571a7289995
humanhash: emma-cardinal-michigan-beer
File name:file
Download: download sample
Signature GCleaner
File size:3'615'381 bytes
First seen:2023-02-12 15:47:42 UTC
Last seen:2023-02-12 15:57:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JHjVqQxzAe8TbmuIoxjhJuh0LSiRgNL2PLiRv2MR:dBZaC/UfuhcRIBRvjR
TLSH T1AAF5227D7004C56CC2D0BEB49C3AA4E72CD66DE7E8E4E022B4E97F3E51791885B1A217
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 14b0b0fceeaa3b18 (363 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 :
4
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-12 15:48:21 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
Creating a file in the Windows subdirectories
Launching a process
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer 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: 805444 Sample: file.exe Startdate: 12/02/2023 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 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec212.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\...\07fiT5rhIf.exe, PE32 17->30 dropped 21 07fiT5rhIf.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:
2023-02-12 15:48:13 UTC
File Type:
PE (Exe)
Extracted files:
5
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 behavior: GetForegroundWindowSpam
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:
b5ff683c2e65f6ce5389f7a9da0a5d7e4ba1e6857c148dabfa0e1d8accb002b0
MD5 hash:
d2ee52829a5b703e998bd2f67f5b7789
SHA1 hash:
75e1f6c98dc3d3f2fa827c5333b6ea9ebc36ae62
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
f699fe0f25262908726aa12a0c88e3d5a09b0c6415aeeeb7faccbff60cd3f069
MD5 hash:
148b9ea46c05bc852700e46db3e15137
SHA1 hash:
ab18f006edf62c1d8d555b6e92bd2a8448420c0b
SH256 hash:
ad600c29cfc4d5d7143df2911b36be2df45f5fef5284f32e32452e0a55879772
MD5 hash:
fa36d81330d2fb0a91820f56d95772e5
SHA1 hash:
55b501bac6497d8770b59b297ee24b47f8ac6197
SH256 hash:
5291492898002226968a1ebdea6b140a6e1ed20bfc30ae42b8139e748ce09ca2
MD5 hash:
9a220e573dbbe5ffd2c82571a7289995
SHA1 hash:
1d118c6994de8a46cfcb1e4ef79f0f406b57aeb6
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