MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90cdaad59ecb71c5925bad117c160c6262f3e7cbc88700ab36201f00bd969d18. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 90cdaad59ecb71c5925bad117c160c6262f3e7cbc88700ab36201f00bd969d18
SHA3-384 hash: b35f8e4a86c3e2e604b84ae8e1cfdfb98f2366be5d0042a928277cf906a988900cbd1fa5a8f2add6f5ec8381aa1a044f
SHA1 hash: 19fd0cea707e227a9322372cce684fb263b41bba
MD5 hash: e3da4495f09801d51b8fd0467a403f9c
humanhash: seventeen-kilo-happy-oregon
File name:file
Download: download sample
Signature GCleaner
File size:2'100'043 bytes
First seen:2023-02-03 00:30:29 UTC
Last seen:2023-02-03 01:00:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:bgcwTQIxKFwYBQymZTN2JPijjh8YbFP9bWLCgv2MR:ccyxFWJPMjWYbFVav2MR
TLSH T195A53317928D8437F0978B779E3A7251EB966FB238E8C606741EFA4A5EB45C01C503CB
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 3070e8c060703020 (50 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 :
15
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-03 00:33:37 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
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 process
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: 797522 Sample: file.exe Startdate: 03/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 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 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49691, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49692, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49693, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\dQj1H0yzezi.exe, PE32 17->30 dropped 21 dQj1H0yzezi.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:
2023-02-03 00:31:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
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:
c527a56cfb9448c52ac559affdcfcc7c8d1353419888a59d714dd420d98fe11c
MD5 hash:
82fe207da2249f2c599076742326056b
SHA1 hash:
c89518ae91010dfb635e215b42696f10e0f2c53a
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
b5bf8ac1406d5c70772531561b618d9e679389d935f4dbf43e0164ab325813bb
MD5 hash:
828a09b69b78450f0e85642392b161bd
SHA1 hash:
38ee7676a05eae8fc5921e9ec7b753c966f3c0fb
SH256 hash:
5e5c19674914cd763f69d6d3d37a6e0bd3bad34dd16206b737266b041f4c4c9c
MD5 hash:
8a253fc18d5b5f29e3bfe90b39aeb6fc
SHA1 hash:
2f76df480642295a16c633da2bd0156941bfcbfc
SH256 hash:
90cdaad59ecb71c5925bad117c160c6262f3e7cbc88700ab36201f00bd969d18
MD5 hash:
e3da4495f09801d51b8fd0467a403f9c
SHA1 hash:
19fd0cea707e227a9322372cce684fb263b41bba
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