MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 961541ba2f20ae1f9eda970515e3a453a89cac0395d73d57345a8e07bb839870. 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: 961541ba2f20ae1f9eda970515e3a453a89cac0395d73d57345a8e07bb839870
SHA3-384 hash: 07d28bf88ee3070fa5c80972d61aa1f9eedbec6ee64bf2e033b18d16de37c69202d3ff456fda3a3bdb69f00eed638128
SHA1 hash: ca14b2bacfa627241eb15d0955c28f01013624a0
MD5 hash: 40a10ce2b86fa64965773268e98ec74a
humanhash: single-sweet-princess-earth
File name:file
Download: download sample
Signature GCleaner
File size:2'110'769 bytes
First seen:2023-02-02 05:15:11 UTC
Last seen:2023-02-02 05:44:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'455 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:bgvCcuf7PSUBVIRjGMyXDlbeWRIk3pyRJcLCgv2MR:cqcuf7lJ95yEv2MR
TLSH T1C9A53352A6226436F2E1C5B17C33CCC1FE39BF6866317011385DE6CE9F772121A6AA17
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 :
17
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-02 05:17:16 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
Running batch commands
Creating a process with a hidden window
Launching a process
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:
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: 796728 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, 49691, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49692, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49693, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\axaC8.exe, PE32 17->30 dropped 21 axaC8.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.Privateloader
Status:
Malicious
First seen:
2023-02-02 05:16:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 26 (69.23%)
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:
570c3b2384007a0b70d9920b1e26d9ff97c350f2b31e38ae642af1a51555df2e
MD5 hash:
da8b04cbc90350e5023baefe2b7678b0
SHA1 hash:
1455b507e5b18364818c2a9d3168fee1e4c4d800
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
b53d430f5f95432fbf1bb550b3576a82f7ad1863f39dbbd5b49bc74b0eaa3de3
MD5 hash:
07384dc8e4c39387a8a8604f63188fb4
SHA1 hash:
d2ddd0b1843ab5b6870790ff7df63ec7ea8cf5f1
SH256 hash:
452583079998ee0dbf7c81276fbf6814bc52f73e053d5b37e438f6a0adb24e01
MD5 hash:
6b638ca6c393a38cf046e1ddbc3750e8
SHA1 hash:
39a00d0b0dc073db96db7145a75360056df0bb5b
SH256 hash:
961541ba2f20ae1f9eda970515e3a453a89cac0395d73d57345a8e07bb839870
MD5 hash:
40a10ce2b86fa64965773268e98ec74a
SHA1 hash:
ca14b2bacfa627241eb15d0955c28f01013624a0
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