MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 503a432479d893146c5db6b22140f4b9a4011494aaf2e9a90149f045cd516498. 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: 503a432479d893146c5db6b22140f4b9a4011494aaf2e9a90149f045cd516498
SHA3-384 hash: e6e02c5d7e20aa596b8fee03c4ae2792090526bf808b94de15909e46c1cfc6193001f84b5efe2dc1dd546d624e2a5c11
SHA1 hash: 9f0d29e90af2892630d2ef674433a1a29c1a1a8b
MD5 hash: 1633ed7b1c36d496e9583e23a24ac45d
humanhash: comet-bluebird-eleven-nitrogen
File name:file
Download: download sample
Signature GCleaner
File size:2'250'121 bytes
First seen:2023-01-30 04:16:59 UTC
Last seen:2023-01-30 04:42:24 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:okug+W5LHE/FnCpgHb8nKwxPBrn+CnGAhKL4DvLCgv2MR:hug+W5LkdagHgnKwhNpQ4DLv2MR
TLSH T1F3A53346E5E595BCE41383F71224D9009F64BEDF313C48A2366A62DD0A717713CAABE3
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 71f0e0ccccf0f0f0 (204 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 :
13
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-30 04:19:23 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:
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: 794024 Sample: file.exe Startdate: 30/01/2023 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 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49696, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49697, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49698, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\Dgh2IY.exe, PE32 17->30 dropped 21 Dgh2IY.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:
2023-01-30 04:17:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
12 of 26 (46.15%)
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
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:
a54f524d9d103d2ba1e7ddc027e1c8d7e80d5e6844a33cf46505518721451d78
MD5 hash:
d0245f130afd9b6bf08e688691073251
SHA1 hash:
407d569d07c9f672eb9f30859071d86f4e094259
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
b34526dbe7533d1dc3a7e7e784a970e1ff89998fc086af6d55f6d4fa9ac08d8f
MD5 hash:
52a4d211b81cde9d9dcc6f65c9a2c27d
SHA1 hash:
bf668479f6cf3c410b9207a2a9e61cfa0e317003
SH256 hash:
c8bcc140df4dd7b2dfbf5495af3e2a65f115bfdf632d67abc2523b91201fe247
MD5 hash:
652597c1113f3e474bc234af9d4d47c0
SHA1 hash:
b43d05d65e30b0af88894f992cd46cda8bf5328d
SH256 hash:
5ad03bcce667810efb47e4cf5304352cfd9041f0adef718628b92ae0251603af
MD5 hash:
f7f7a83179163c839b10983c2e807cbc
SHA1 hash:
2361e2d038aa30e1ab942972e393324978740354
SH256 hash:
503a432479d893146c5db6b22140f4b9a4011494aaf2e9a90149f045cd516498
MD5 hash:
1633ed7b1c36d496e9583e23a24ac45d
SHA1 hash:
9f0d29e90af2892630d2ef674433a1a29c1a1a8b
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