MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e312734d6742cb01cbb585fe48c09d8aa49410012f5fb9b98e6a075e9250c37. 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: 8e312734d6742cb01cbb585fe48c09d8aa49410012f5fb9b98e6a075e9250c37
SHA3-384 hash: ac4ee1f92e20e204f974e7b425e30de4ca204f4e5ca8d5c08ea9ae9d38d98e83fb32587f5d5f63e3ae825d2f295e8164
SHA1 hash: ad82d6b20571300609c98ba05280ae65d2459b52
MD5 hash: 1e65ac9fa6dc0858a16d30df32bba19c
humanhash: montana-bluebird-charlie-helium
File name:file
Download: download sample
Signature GCleaner
File size:3'167'256 bytes
First seen:2023-02-15 00:16:51 UTC
Last seen:2023-02-15 00:43:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'452 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JHHHqVTRz+QpxXWNx4VYUVemQMPJ/EE4G+81yv2MR:dWz+MMCVYwgOQGsvjR
TLSH T15EE5127CB115C56DD6D0BE748C3A98E71CDBAEE3E9D4A02270C97F3F50792889A1A107
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 :
8
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-15 00:17:27 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:
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
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: 807845 Sample: file.exe Startdate: 15/02/2023 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 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 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 FRec214.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49716, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49717, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49718, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\bULjcP5TW5D8.exe, PE32 17->30 dropped 21 bULjcP5TW5D8.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.Generic
Status:
Suspicious
First seen:
2023-02-15 00:17:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 38 (36.84%)
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:
f5d1a4252ab7796ec0a9c586435e64d98d796da88b238525a1d10cb46207679d
MD5 hash:
86c5cb7f65a4ace2794dbb88532a1bb4
SHA1 hash:
0d408686a9ba2c1aea3a85615025f0b0ff8f7e77
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
352aef3d1429c66b0ee51f2c59c8d15ffb5071b90912633ee4487fa2e656623e
MD5 hash:
907af828de00c96cb181f35be22c400d
SHA1 hash:
dc79856904ae2b8b2a4b14f0992a4ead79f1f82a
SH256 hash:
fd61bbb9410cd1db0ff509364d5d9c6edb9b803193a1b2bab733e3d16942667b
MD5 hash:
6685353823fbeb44c770918faa97b331
SHA1 hash:
dc3ab0496f3f4c654358124d70ef81b36a4f23d4
SH256 hash:
da316ead046f79a93e458202714ed3be6bfb5af5c5b881424e6a85a7530195a8
MD5 hash:
42846d75832fb501385a7efe72c63484
SHA1 hash:
614aef15bfde0068d1b53384b2e0f8cb1ffa9157
SH256 hash:
8e312734d6742cb01cbb585fe48c09d8aa49410012f5fb9b98e6a075e9250c37
MD5 hash:
1e65ac9fa6dc0858a16d30df32bba19c
SHA1 hash:
ad82d6b20571300609c98ba05280ae65d2459b52
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