MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dac661f7de38d93de11b50b288b82e8c885da84a0363bbd02f3635ac8c62e788. 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: dac661f7de38d93de11b50b288b82e8c885da84a0363bbd02f3635ac8c62e788
SHA3-384 hash: 0c5662c69c2c67d7dc261bf4662e2862c07857b14916834faf3e44d008d65f110fa2e5065340a2476d03c303390010c2
SHA1 hash: b19a7f259f629bfddb0345604efa6f611aab16b1
MD5 hash: f4017fdbbc27019bcf96226776d4af4d
humanhash: mexico-mike-eighteen-alabama
File name:file
Download: download sample
Signature GCleaner
File size:2'711'741 bytes
First seen:2023-04-17 11:26:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:zGlJfsoi3MhUi48uIcwrBjESoOXRZgmerKre096z31sCt7WHygU:qPskUB+Pj6OhLXsGq7WSt
Threatray 110 similar samples on MalwareBazaar
TLSH T176C53315A3C70D78D4E14EB44E879F227AFBF824EE35D05871AE84EE5D336A48868707
TrID 48.2% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
35.6% (.EXE) Inno Setup installer (109740/4/30)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.2% (.SCR) Windows screen saver (13097/50/3)
2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
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 :
1
# of downloads :
235
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-17 11:28:13 UTC
Tags:
installer gcleaner

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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcleaner 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 / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 848028 Sample: file.exe Startdate: 17/04/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-QAFRL.tmp, PE32 10->31 dropped 13 is-QAFRL.tmp 11 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->37 dropped 39 7 other files (5 malicious) 13->39 dropped 16 Rec417.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49696, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49697, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49698, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\S3DHW.exe, PE32 16->29 dropped 20 S3DHW.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-17 11:27:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 24 (66.67%)
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 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:
d9e28e997d8683facb70d710becae74a7e62a422f692ba7289ba354e611210b9
MD5 hash:
66d951bb950c5bd4516e6ac996834b95
SHA1 hash:
5c9d35f2909fd54799ea88f567275c174e26a197
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
936bfc8c6e6cad9010d9b50f562849894a659b9b0c5a3026b083dd651050bff3
MD5 hash:
4ac58c2eabaa3a2ee6a4f6e930276696
SHA1 hash:
e05f449d1ffefe0eb973502a1cebf6d267f78031
SH256 hash:
835fb550e422dd5a4a77aa01f8edcea6a32c29b048e07dd7345e015eed01c6bb
MD5 hash:
45fcb5597651bd2efd5cef713f485e10
SHA1 hash:
8e2d4240b39f926b2d3d75d766250fb7766cf9ce
SH256 hash:
dac661f7de38d93de11b50b288b82e8c885da84a0363bbd02f3635ac8c62e788
MD5 hash:
f4017fdbbc27019bcf96226776d4af4d
SHA1 hash:
b19a7f259f629bfddb0345604efa6f611aab16b1
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