MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c10bcc9f0cebfa95db981a3dc14e35af21c285c165c29ec3001b82acb9176d81. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: c10bcc9f0cebfa95db981a3dc14e35af21c285c165c29ec3001b82acb9176d81
SHA3-384 hash: e29a4ffc0ce72c99ca340f2336c23543202e50c07b1de32e9cc84a44dc0b442303bc2d41d27f8900731fbfe36d165526
SHA1 hash: 2c889ba2648408d6362e8e089bee43936385401e
MD5 hash: b7ff5ef9fb673eb040d57a6bef3e14c8
humanhash: bakerloo-kilo-high-lemon
File name:file
Download: download sample
Signature GCleaner
File size:3'376'548 bytes
First seen:2023-02-15 23:33:06 UTC
Last seen:2023-02-16 00:10:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JHEMJKf6cx7kUv6Od/AufATzwYKSXg3SKwacNXQCRv2MR:dEMJJcx7kVOdV4wYKS6SKXcHvjR
TLSH T176F5127C7100D86EC180BEB8983AA8E74CE76DE3DA95A46370CD7F3F527D1949609643
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 :
9
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-15 23:35:34 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 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 process
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:
60%
Tags:
greyware installer overlay packed shell32.dll
Result
Verdict:
MALICIOUS
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
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: 809123 Sample: file.exe Startdate: 16/02/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 5 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 18 17 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->37 dropped 39 7 other files (6 malicious) 14->39 dropped 17 FRec215.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49685, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49686, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49687, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\rqyjiTpxJ3A.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 rqyjiTpxJ3A.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-15 23:34:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 25 (68.00%)
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:
2624428ebd716d9fe51cba29da9887ce92ca4c75366a5f05fee24c1f6af8075a
MD5 hash:
463799153e1e9471f6bac9204a4886bf
SHA1 hash:
918bfa425ac84698d9cc37e22cf47cf5a48271d7
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
d51144f1442f30c7e1b324049e369019ffc7a77a4cf4775d60a503ffb8d88dd4
MD5 hash:
b4bfcc53e7569ca6604ee9515e998ea7
SHA1 hash:
07b563c19ebb9ddea1eee66a94dfe35bddb3476e
SH256 hash:
a85836c8a63cb546e5c3dedd865725b62fdabf943e2a696b5d0b1052ae20f6a3
MD5 hash:
dd6211e93847aae38ebae3f4d624e3b1
SHA1 hash:
04a919056efa446116c0f9c8ba7034f22c7ac8aa
SH256 hash:
c10bcc9f0cebfa95db981a3dc14e35af21c285c165c29ec3001b82acb9176d81
MD5 hash:
b7ff5ef9fb673eb040d57a6bef3e14c8
SHA1 hash:
2c889ba2648408d6362e8e089bee43936385401e
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