MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16b17e50998f05875c02a58dfbd637786c7a4c5b0f1b489d0bd9646792075625. 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: 16b17e50998f05875c02a58dfbd637786c7a4c5b0f1b489d0bd9646792075625
SHA3-384 hash: faf333ac391c59c6f288f6717f0077833cf432ca99c5ad904f6c1c99c7f5effb767f784e43cc0e95a753ea95fa4e8eb3
SHA1 hash: 6446070123cb5fbe597e7f05377893fabefaf56c
MD5 hash: ee84d71222a3082e8665edaef8fa030d
humanhash: butter-berlin-saturn-earth
File name:file
Download: download sample
Signature GCleaner
File size:2'684'546 bytes
First seen:2023-02-08 18:02:38 UTC
Last seen:2023-02-08 18:28:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'461 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:rdH9Gj7ArQDgdUVmM6pXfTCigB52/YeXMVzNV/LCgv2MR:JHMj8+Tqu52/Ye+bv2MR
TLSH T184C5123C7105C4ADC290BEB48D2AD8E75CE72DE3E9E4916230DDBF3E927D1896A09147
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 :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-08 18:03:22 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
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:
100%
Tags:
greyware installer 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
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: 801863 Sample: file.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 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 17 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec28.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\...\qM3VsUyw5m.exe, PE32 17->30 dropped 21 qM3VsUyw5m.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:
2023-02-08 18:03:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
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 behavior: GetForegroundWindowSpam
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:
d9927cccc7761f418bec6ba372aded5e60ef611ff314a3bb264a6f5cbcc141ca
MD5 hash:
f8b88dec939fbc4da30819b682a3ee6a
SHA1 hash:
74aecda878b76cc79b64362e9cfc0ad9ff84ea4d
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
bc63398c35abbeab159008c3ee6ad638777203df713b970125e3ac6254fbc463
MD5 hash:
203ebb1196bd856bbd66cac676114c80
SHA1 hash:
1c44ea888565dc3f186e50cd0e621f148ca2b143
SH256 hash:
d4f52b7d966c476dee40c677a9d9f224e55c592ee287660cd292e91eccd11848
MD5 hash:
9824254bb5cd741b93eec8e623580685
SHA1 hash:
0de975cd3955849f4c668eed5bb5f8b45f940d36
SH256 hash:
16b17e50998f05875c02a58dfbd637786c7a4c5b0f1b489d0bd9646792075625
MD5 hash:
ee84d71222a3082e8665edaef8fa030d
SHA1 hash:
6446070123cb5fbe597e7f05377893fabefaf56c
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