MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3e555df4ab92c06ebc90bc8e4e57d0f20e8a02ffd4f3952f7eb1a3fa7c6dc0a. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: a3e555df4ab92c06ebc90bc8e4e57d0f20e8a02ffd4f3952f7eb1a3fa7c6dc0a
SHA3-384 hash: ebd4fd6073c33857fa7d141ed0330e17b1ecb0a03cd5e53deed5da23ec163bcdfcc707df0e52b87298c62193dacf2803
SHA1 hash: 754fa6d60753afefd958bd91e54bc30e8e39bebf
MD5 hash: 6804a25ec3e42007e240dea65425cf2c
humanhash: beryllium-montana-north-missouri
File name:file
Download: download sample
Signature GCleaner
File size:1'719'468 bytes
First seen:2023-07-14 08:30:50 UTC
Last seen:2023-07-14 09:59:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'450 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:1G7xgdDax+ssIXO8CGiqDIANl3fAEXWTkWre3v8:A7uaofP8LbN9XIkEq8
Threatray 3'574 similar samples on MalwareBazaar
TLSH T151853355C7F80432E1B3D270AD2798D6A6B3BD358D317076B38F7FCA1A862119C8175A
TrID 50.8% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.6% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 70f0f0e8e8b2f0f0 (29 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 :
2
# of downloads :
283
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-14 08:33:58 UTC
Tags:
installer gcleaner loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching the process to interact with network services
Modifying a system file
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware installer lolbin overlay packed packed shell32
Result
Verdict:
MALICIOUS
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1273023 Sample: file.exe Startdate: 14/07/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.75 CMCSUS Germany 2->42 44 45.12.253.98 CMCSUS Germany 2->44 48 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 5 other signatures 2->54 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-TLKQ4.tmp, PE32 9->30 dropped 12 is-TLKQ4.tmp 11 102 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 RewSpacer714.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 46 45.12.253.56, 80 CMCSUS Germany 15->46 28 C:\Users\user\AppData\...\zKvzfXkLsPU5kO.exe, PE32 15->28 dropped 21 zKvzfXkLsPU5kO.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 56 Multi AV Scanner detection for dropped file 21->56
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-07-14 08:31:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Runs net.exe
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:
67ce2a9eb8501157208237e41acb3c2cd766e803a4ca45df69b88acc7e647187
MD5 hash:
c38d05cbd3e34b8016a03b0edb73728b
SHA1 hash:
a0c4b8d196e21f7ed1ed539e657c03313e4db955
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
d16c12ff5693ad4d5fae23803492f793265fcaa3c7812eb25a5ce37094cb50a3
MD5 hash:
2a3244c82e0ca40683349be50376a176
SHA1 hash:
252d0e054a1ea750ced63acd7f69314f889b4d89
SH256 hash:
e0afed7d375f4a2e29b5a68fd37ca580d4958b2c2568d34948c2be8103a6557c
MD5 hash:
37a3eb73382dbc679543595e0f876db8
SHA1 hash:
a1b7fa84e3b6e17660887cb6649e11a3f0ddd494
SH256 hash:
a3e555df4ab92c06ebc90bc8e4e57d0f20e8a02ffd4f3952f7eb1a3fa7c6dc0a
MD5 hash:
6804a25ec3e42007e240dea65425cf2c
SHA1 hash:
754fa6d60753afefd958bd91e54bc30e8e39bebf
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