MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41a7a844dcceaa9addeea0f56040872610349414936e11e388df4fc069c1491d. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 41a7a844dcceaa9addeea0f56040872610349414936e11e388df4fc069c1491d
SHA3-384 hash: 6220995d2c381d56a285423a7289c35e8eafae6721a6bf93241687a8bd3d920a09a502163ee9363d705f7dc8f03a27ee
SHA1 hash: 8a25d80a781b072e2410f252fe4aa7d2c566b7f7
MD5 hash: 3c29a71e7103d79bc107d5fce3ff4922
humanhash: cola-uniform-papa-ceiling
File name:file
Download: download sample
Signature GCleaner
File size:1'832'680 bytes
First seen:2023-01-23 22:17:21 UTC
Last seen:2023-01-23 22:41:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:OOW+m2jV/cpLkcpCj8nrAg0qHMB4qicGKw2CIN61V:XWD2jVEJkW2yrAgaxicGKBVN61V
TLSH T13285331AEA31B871F0B1FAB47C11B230C27EFF462CB69A1517CD45AC3E511B41D297AA
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 78f8f9d9ccc088e1 (51 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 :
10
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-23 22:17:50 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
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 a custom TCP request
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:
No Threat
Threat level:
  2/10
Confidence:
80%
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 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: 790220 Sample: file.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 92 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 4 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->31 dropped 57 Obfuscated command line found 10->57 14 file.tmp 22 16 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->37 dropped 39 6 other files (5 malicious) 14->39 dropped 17 finalrecovery.exe 20 14->17         started        process9 dnsIp10 41 45.12.253.56, 49696, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49697, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49698, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\Roaming\...\5PFhg.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 5PFhg.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Gathering data
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:
03cb35ffc0d8a27c1ef63e2fed7ddd9cc4c27439d5d4cdfc8ab5e49d952856a0
MD5 hash:
9844125344885202ea72f4358f4f6c06
SHA1 hash:
499bff3eb2b2ecab87c9adb76b4ba3d7074ac0d2
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
b9a8a72a725d8c2ed61fadcec2e4b5721ee8db6f2f9f1a190a91128e38914134
MD5 hash:
9df007ba65ceb5cc5cd2c5c01e5c25a2
SHA1 hash:
7b4339e78be96dbdd83197834cbdac28ad34768f
SH256 hash:
193a220c65fab4f40da4ea505b35cb9405d4cb3d07e1a73aa658a5ca2d9b3682
MD5 hash:
980d6af5716ea1a34c048caeb328a30b
SHA1 hash:
5ead88d6afd807ace91eccf8b41f11de9f9d6991
SH256 hash:
41a7a844dcceaa9addeea0f56040872610349414936e11e388df4fc069c1491d
MD5 hash:
3c29a71e7103d79bc107d5fce3ff4922
SHA1 hash:
8a25d80a781b072e2410f252fe4aa7d2c566b7f7
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