MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f99cc12706599938589bff18302d202649c8867c400c83dc8c2ee9f5543feb73. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: f99cc12706599938589bff18302d202649c8867c400c83dc8c2ee9f5543feb73
SHA3-384 hash: 9256b7e74b402875f45ec172e781bfebb1fd7638fc1be65e8dd9e19da635ab435b0b1e12986ab17a15d5fb06b1ea188a
SHA1 hash: 94f6948f067403349da8e1ff07d85e62aa283f14
MD5 hash: 4cef3a78471373a5ef7be94cbef23d01
humanhash: louisiana-enemy-item-fourteen
File name:file
Download: download sample
Signature GCleaner
File size:1'766'883 bytes
First seen:2023-01-25 22:01:28 UTC
Last seen:2023-01-25 22:29:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'452 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:ZljSSys4BBihjBeNslyF9yGcyIHuijWFLCgv2MR:3jSSysjbM9yf1HRW5v2MR
TLSH T1DC853312C1E1CD75F193CD750D389640A922B9364E70617FB20CAAAC6F27AF1C593B6E
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 :
13
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-25 22:04:46 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
Sending a custom TCP request
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
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: 791874 Sample: file.exe Startdate: 25/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 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, 49712, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49713, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49714, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...ojmiVFPuKTmM.exe, PE32 17->30 dropped 21 EojmiVFPuKTmM.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 22:02:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 25 (60.00%)
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
Unpacked files
SH256 hash:
bc5e21e90704d5ca9b36876b2bb408c14b79f0b438028cf71316f9256d107e4c
MD5 hash:
17d9cc727d2c917707883f0f56ff94e3
SHA1 hash:
f11658ff4d487056e681d56444b179d9f493a247
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
1b8d61c6a5aec5b4a8d497a357dcd9be0f2929ba5109bb376938dac1f2c77fd3
MD5 hash:
9ad41ebcf8c17361ebd1fee9e73119e4
SHA1 hash:
7578a785c982522b02721d5d73e3d2729ab20d2d
SH256 hash:
f99cc12706599938589bff18302d202649c8867c400c83dc8c2ee9f5543feb73
MD5 hash:
4cef3a78471373a5ef7be94cbef23d01
SHA1 hash:
94f6948f067403349da8e1ff07d85e62aa283f14
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

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