MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0cfcaa3c8a631ea21d343f051b80c7973de9bdc2dd624ed6f6799d442e2d271. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0cfcaa3c8a631ea21d343f051b80c7973de9bdc2dd624ed6f6799d442e2d271
SHA3-384 hash: e591cf353eaacc96d24cb6fbaf4aba3558c0bf7cc0b3255da80fff6abec764d6e00ad8a8a808f60f1e31cbc4dc0743b5
SHA1 hash: 9e04a9dabda8159a23bfb133bc2d361fa95907e9
MD5 hash: 7f98c166f70871edbb5dad2c03ff41df
humanhash: princess-texas-table-fish
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'673'749 bytes
First seen:2023-02-28 16:30:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'449 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:AG/BuPz+oi0dVOJFHti9j3BOogJj6TvQlormMnYrSH+fYcshv8CjOKz:d/mKHa0HIbrgLpMTcsh0CjOKz
Threatray 2'212 similar samples on MalwareBazaar
TLSH T1F0C53366D9E96C7AF2F042782E2EB400397734767661848897F98B0D1F2507FDE44B8E
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-28 16:36:04 UTC
Tags:
installer gcleaner loader stealer trojan rat redline opendir cryptbot
Link:
https://app.any.run/tasks/86192eb5-9a63-430a-8b56-8712d1bdc001

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DCRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/370684/
Detection(s):
SecuriteInfo.com.Adware.Generic2.DOZ.UNOFFICIAL
Create hunting rule

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 tool to kill processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63fe2c4803b144271569b030/reports/8ab624ed-6cc4-4446-9286-165a9f1dfea6/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1251208
Link:
https://www.hybrid-analysis.com/sample/a0cfcaa3c8a631ea21d343f051b80c7973de9bdc2dd624ed6f6799d442e2d271
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:
Unknown
Link:
https://analyze.intezer.com/analyses/f8f710b4-db72-462d-8ad6-6700b5651ed6
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1184508
Signature
Antivirus / Scanner detection for submitted sample
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 submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 817361 Sample: file.exe Startdate: 28/02/2023 Architecture: WINDOWS Score: 100 46 45.12.253.98 CMCSUS Germany 2->46 48 Snort IDS alert for network traffic 2->48 50 Antivirus detection for URL or domain 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 6 other signatures 2->54 10 file.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-0OFR7.tmp, PE32 10->30 dropped 13 is-0OFR7.tmp 15 25 10->13         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->32 dropped 34 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->36 dropped 38 7 other files (5 malicious) 13->38 dropped 16 FRec228.exe 24 13->16         started        process8 dnsIp9 40 45.12.253.56, 49706, 80 CMCSUS Germany 16->40 42 45.12.253.72, 49707, 80 CMCSUS Germany 16->42 44 45.12.253.75, 49708, 80 CMCSUS Germany 16->44 28 C:\Users\user\AppData\...\o0d29GLobVZb8.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 o0d29GLobVZb8.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0cfcaa3c8a631ea21d343f051b80c7973de9bdc2dd624ed6f6799d442e2d271/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-28 16:31:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=udh4vi6iuyy6uiotipyfdoampfz55g64fxlcj3lpm6m5iqxc2jyq._file
Verdict:
malicious
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GCleaner
+ 2'202 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230228-t1c9eabg81/
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:
d5fd65820357588d5eb18c206c466514792d26a5bb26ed256736928317ef5f05
MD5 hash:
3f59b6c40478c9b6cbadd829eff73959
SHA1 hash:
a9975b6f72f8514edca696e33a7620295a2fc75a
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/05578ed1-51e0-4b8c-9efa-0da997e974d7/
SH256 hash:
323f555793af5bb8c5cae0e655fa2104c638c9bea480f52261ee2e0501476561
MD5 hash:
a4a65b014344fcce064412bc59ff6881
SHA1 hash:
9c35f49f2c6b11fe35d5428e5cef7cc4409b453c
Link:
https://www.unpac.me/results/05578ed1-51e0-4b8c-9efa-0da997e974d7/
SH256 hash:
84ba2780f435e5d50ba9ba89e5788b16badd06f7657630ed988e82dfc85e207b
MD5 hash:
81a6315fd67b750a99c5c5bdd2207141
SHA1 hash:
48efd1848c5d212b2f035165f8991f39d615bb7d
Link:
https://www.unpac.me/results/05578ed1-51e0-4b8c-9efa-0da997e974d7/
SH256 hash:
a0cfcaa3c8a631ea21d343f051b80c7973de9bdc2dd624ed6f6799d442e2d271
MD5 hash:
7f98c166f70871edbb5dad2c03ff41df
SHA1 hash:
9e04a9dabda8159a23bfb133bc2d361fa95907e9
Link:
https://www.unpac.me/results/05578ed1-51e0-4b8c-9efa-0da997e974d7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a0cfcaa3c8a631ea21d343f051b80c7973de9bdc2dd624ed6f6799d442e2d271

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/370684/

Comments