MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bf51f75c070939899c78385d9b90de57c5e8929e3fad51ea365273a5ad8156b. 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 4 File information Comments

SHA256 hash: 9bf51f75c070939899c78385d9b90de57c5e8929e3fad51ea365273a5ad8156b
SHA3-384 hash: 75cba7397cbb002e6e40600f89c7c024cca1cd646d4d6d44e6872b94da36c4aa266ceeaf156d4b3b1fdc5fa1a7972f3e
SHA1 hash: d97e569a18ab083cb19ab2ef92dd85c5d2e8efed
MD5 hash: eaca9fd90204af7c82d0dff642f97eb2
humanhash: salami-spaghetti-friend-coffee
File name:file
Download: download sample
Signature GCleaner
File size:1'781'098 bytes
First seen:2023-01-17 05:15:36 UTC
Last seen:2023-01-17 05:43:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:m8L8OMJ1Jbf6JWHgsrSYauHwOD1HWDcDxOhJ1GTj:f8OMJDbf6dxqwkHgcDiJ1GTj
TLSH T162853303CD65B2F9DB73C6F6CE76963A994E79221E3E504430CDA8CC0B67E509A0635B
TrID 58.4% (.EXE) Inno Setup installer (109740/4/30)
22.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
7.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.4% (.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 :
12
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-17 05:17:37 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
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:
Malicious
Threat level:
  10/10
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
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 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: 785521 Sample: file.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 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, 49697, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49698, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49699, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...behaviorgraphjUWbVFFPD7eR.exe, PE32 17->30 dropped 21 GjUWbVFFPD7eR.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:
2023-01-17 05:16:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
10 of 25 (40.00%)
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
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f745d499fe9f3ae281a125050d62303e273a8b297fa2b48ad6a7ff5958b9740c
MD5 hash:
87d057f8f1b6c94dd4e2d1e0a7a6f6c6
SHA1 hash:
cae61b36b8b53dbe2fc7ca660de57d0e27192db8
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
7c2c2c6cbcfc8cf04e5342e0c9c70bfc4cd7793872249c562223229922964692
MD5 hash:
69f2099b6f99fec65e1a2cd97d68c1b0
SHA1 hash:
4dc75c29b1379e5c084c7f589527cebee3beb9e4
SH256 hash:
c724c767c98742b9fa1cecb249b3adfb154e8cd3a8c24a8dcc09d5fab131dba4
MD5 hash:
bb104b85dbce15cb7548266d4e877505
SHA1 hash:
25e6d3dd307518d1c1e51f7be994230c8a22bb09
SH256 hash:
9bf51f75c070939899c78385d9b90de57c5e8929e3fad51ea365273a5ad8156b
MD5 hash:
eaca9fd90204af7c82d0dff642f97eb2
SHA1 hash:
d97e569a18ab083cb19ab2ef92dd85c5d2e8efed
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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