MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a496cc7d34fa3d55696e16f2bbddad31b0eb5ce57dad0b0f5f6d92e485ae6829. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: a496cc7d34fa3d55696e16f2bbddad31b0eb5ce57dad0b0f5f6d92e485ae6829
SHA3-384 hash: 2cb966b71285026268de1f6ad312b7080c692bc9bac76ca1d82bcbe0338efaa4e2df755a7723b218a2608ca981917114
SHA1 hash: 3ed5fbda9268fb7edfce0be632f4871be060554e
MD5 hash: 443821243c6f5d2da9c0a28ce47bd536
humanhash: charlie-bluebird-early-cup
File name:file
Download: download sample
Signature GCleaner
File size:2'450'194 bytes
First seen:2022-10-26 20:01:10 UTC
Last seen:2022-10-26 20:28:02 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:Z2+SZqPIp7GMZx6AK/qCGhVluuvCYqTSiBBZ6PIHJHufXvvxA5hq:M8Pq7FfBhVHvlw7YAR9Dq
TLSH T12BB533FA49828E30C656C635A9718731EB31BD3839385422FBCC45DE9B6FCA1E474B52
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.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 b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://95.214.24.96/load.php?pub=mixinte

Intelligence


File Origin
# of uploads :
17
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-26 20:03:18 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
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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
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:
88 / 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
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 731412 Sample: file.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-ISLJG.tmp, PE32 10->31 dropped 13 is-ISLJG.tmp 16 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 exsearcher60.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49720, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49721, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49719, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\MWMMlwai.exe, PE32 16->29 dropped 20 MWMMlwai.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-26 20:02:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
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
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Unpacked files
SH256 hash:
fb61b83c88647eb5edc3aafaa817ed6828b8a8f866ab0a1a3e000689154da4ed
MD5 hash:
327f18b8cf88c1163079ca0f282598f2
SHA1 hash:
88800bbb369ebf01037d212db55822d8181b8a3b
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
21b2387a0d49ee69e3d394adb0eae17cb7c22fa620a5cb34014543b51e46e47e
MD5 hash:
89ccd8933175a3501fe7ee980f070dec
SHA1 hash:
5ae72dc3392784582691bc11699f44def911763a
SH256 hash:
c724c767c98742b9fa1cecb249b3adfb154e8cd3a8c24a8dcc09d5fab131dba4
MD5 hash:
bb104b85dbce15cb7548266d4e877505
SHA1 hash:
25e6d3dd307518d1c1e51f7be994230c8a22bb09
SH256 hash:
a496cc7d34fa3d55696e16f2bbddad31b0eb5ce57dad0b0f5f6d92e485ae6829
MD5 hash:
443821243c6f5d2da9c0a28ce47bd536
SHA1 hash:
3ed5fbda9268fb7edfce0be632f4871be060554e
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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