MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5ce2c21d3f92080a06e0aa7862303848b2661181b279a2db9b72b8f31a82702. 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: a5ce2c21d3f92080a06e0aa7862303848b2661181b279a2db9b72b8f31a82702
SHA3-384 hash: 5b5ce289181a51f5ccc4a735735d1ad9449aebef498aac7b546d515337c90ab7120b8e966b88a00ed2f5ee16de2ac42f
SHA1 hash: 4c9e1cbcd933293268c396b3c79f3836665059a8
MD5 hash: 14e09c7a5842688842f6c0bf61c17135
humanhash: vermont-failed-hotel-black
File name:file
Download: download sample
Signature GCleaner
File size:1'782'938 bytes
First seen:2023-01-25 09:00:27 UTC
Last seen:2023-01-25 09:13:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'460 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Zj8WUqIwpfvQvBkF9PPeaPhUMewEgjkdLCgv2MR:98WxIU+mzsv2MR
TLSH T17885335282B1D4B9E293A77C3C33DD692ED3BA1961781024331E56CF1F277A2AC4E356
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 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 :
7
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-25 09:02:58 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
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
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:
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 dropped file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 791301 Sample: file.exe Startdate: 25/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 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, 49707, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49708, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49709, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\6tohc1clzbcir.exe, PE32 17->30 dropped 21 6tohc1clzbcir.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:
2023-01-25 09:07:00 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:
e322be8094367793002f7f329a1b3ab343ce301c96355326b9ef3f54109cd7eb
MD5 hash:
0b3508212cb1ac9a5cd63968c5793e88
SHA1 hash:
a6fba783ec46c39cc5102721340085ca48b18563
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
c2b509951313c5a9aea7cb62937deea1e8d6b2376ac29bc398c3e94128d1d5bf
MD5 hash:
88ea8cdfd64d79e70dfd195558515510
SHA1 hash:
a7c202cada6fecb41238a7b185d1b45d6b818cf1
SH256 hash:
b5bf8ac1406d5c70772531561b618d9e679389d935f4dbf43e0164ab325813bb
MD5 hash:
828a09b69b78450f0e85642392b161bd
SHA1 hash:
38ee7676a05eae8fc5921e9ec7b753c966f3c0fb
SH256 hash:
a5ce2c21d3f92080a06e0aa7862303848b2661181b279a2db9b72b8f31a82702
MD5 hash:
14e09c7a5842688842f6c0bf61c17135
SHA1 hash:
4c9e1cbcd933293268c396b3c79f3836665059a8
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