MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac8cf31be976dc8553329d49cbb5f926f09c67603aa3a8c6ef05d7e87f27a162. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac8cf31be976dc8553329d49cbb5f926f09c67603aa3a8c6ef05d7e87f27a162
SHA3-384 hash: 5031a01dc5c86c67ea56c2039ec4794033d873dedf2ce7a14566517f4b047af50a75d8b889571aec0a7904bbc32a6e02
SHA1 hash: 0a48e16083b43e981a56c03b29cdceebfe299e19
MD5 hash: e9da0a1195749f4da8bad7a416cf73ec
humanhash: autumn-berlin-nineteen-foxtrot
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'032'902 bytes
First seen:2023-02-02 11:15:48 UTC
Last seen:2023-02-02 11:44:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:bgmflh4Ftfl3Klv2idlp/BU5lPjTubfKctLakLCgv2MR:cAlhWtvivp/B2PjTefJtLvv2MR
TLSH T19395330EA2958933E042C5B56D38CA87DEF6FF395A740018B4FEB6791FBB580046D46B
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 3070e8c060703020 (50 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 :
18
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-02 11:19:26 UTC
Tags:
installer
Link:
https://app.any.run/tasks/3bf18a6c-2bb6-4b1a-a4b7-f7138d50a1d6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/359465/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

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 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
Launching a process
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/64768/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63db9b73447edb203a027fb6/reports/246f1c7b-eaa9-4ce6-b67b-fe8fa7339ac6/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f15aad68-2fbd-468e-84cd-24f6b317d3e9
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1164140
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
Multi AV Scanner detection for submitted file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 796911 Sample: file.exe Startdate: 02/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for submitted file 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49696, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49697, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49698, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\2COhaSlKd.exe, PE32 17->30 dropped 21 2COhaSlKd.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac8cf31be976dc8553329d49cbb5f926f09c67603aa3a8c6ef05d7e87f27a162/
Threat name:
Win32.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2023-02-02 11:16:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vsgpgg7jo3oikuzstve4xnpze3yjyz3ahkr2rrxpaxl6q7zhufra._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230202-nc45bsfh39/
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:
76cfea24521767d6d7c78764505888a6b458ff302a8895591f4347ed2e473e98
MD5 hash:
11037c0eb80faf54d070512c1f05fd08
SHA1 hash:
6b10db5311edcb6ff82c31a36c02cc3c0c087dd3
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/97ea2b9e-1919-443f-a399-e711759a8584/
SH256 hash:
ce03268db339e92b433c70bf1accd8b09606ee958d940c5bb5062347c0ad3f10
MD5 hash:
414acd6d7a025c7c756a426b51ba2b2b
SHA1 hash:
1e13d87714e17383148d2f5b6cf5733deadad493
Link:
https://www.unpac.me/results/97ea2b9e-1919-443f-a399-e711759a8584/
SH256 hash:
ac8cf31be976dc8553329d49cbb5f926f09c67603aa3a8c6ef05d7e87f27a162
MD5 hash:
e9da0a1195749f4da8bad7a416cf73ec
SHA1 hash:
0a48e16083b43e981a56c03b29cdceebfe299e19
Link:
https://www.unpac.me/results/97ea2b9e-1919-443f-a399-e711759a8584/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/ac8cf31be976dc8553329d49cbb5f926f09c67603aa3a8c6ef05d7e87f27a162

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/359465/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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