MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a33faf18a73447d22dc0d2ccd2cc652bd980dde1062f36b50ab09c05ef3508b6. 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: a33faf18a73447d22dc0d2ccd2cc652bd980dde1062f36b50ab09c05ef3508b6
SHA3-384 hash: a063c8af1e0af9a70828c25a105b8fa37d9b1866e25010e47df916832e07f4cc2cffc98e087e3d62c43a3abc4604f44c
SHA1 hash: 572fe6cfb1ba2111755b22a75517f400cfa19380
MD5 hash: 095d414b9d69aa63b9992288ee82c831
humanhash: crazy-oklahoma-south-five
File name:file
Download: download sample
Signature GCleaner
File size:1'851'950 bytes
First seen:2023-01-21 23:30:46 UTC
Last seen:2023-01-21 23:59:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:q3g8INFqVUvbUcXhoUgQupMGrirSnIYv86mwf6XbDKmuMMkIQOVJQkc2ZdHTsEXM:qlvUPXuN7MGGr23vqDK0IZ0kc7EXM
TLSH T1238533C1D4072075F273E8F55E1E5B350AEF5B8F1434A4009A0D4E4A9B6F854A7BE3B9
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon b9f8f2d2b6a8ec76 (42 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 :
19
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-21 23:34:07 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
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 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:
92 / 100
Signature
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: 789060 Sample: file.exe Startdate: 22/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 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 22 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49694, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49695, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49696, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\A3cy5LmNG68rCn.exe, PE32 17->30 dropped 21 A3cy5LmNG68rCn.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.Injuke
Status:
Malicious
First seen:
2023-01-21 23:31:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 26 (53.85%)
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
Loads dropped DLL
Executes dropped EXE
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:
ed69c01b13c6801e3f07e6104ebe6172234ef93d378ad78a92b997a7e8f1865b
MD5 hash:
6ea6d26ab3ec7083745e8dcfbacb4904
SHA1 hash:
ffa82dea6b3b9cb63257c1d035734c2ef0537ade
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
5e0d3aa9479ff9bdb46e02eb679f31debbe67353389cf117452a15882a91a8cf
MD5 hash:
eb6915784a5eeaa5a02ac62679a385cd
SHA1 hash:
3272d3b5167522a97fe7b9bf6cbeff10164277fa
SH256 hash:
a33faf18a73447d22dc0d2ccd2cc652bd980dde1062f36b50ab09c05ef3508b6
MD5 hash:
095d414b9d69aa63b9992288ee82c831
SHA1 hash:
572fe6cfb1ba2111755b22a75517f400cfa19380
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