MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a65b5a2b51a13581addf64758c46d2fd486e1d54225bb12004e2de4a80cb5693. 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 2 File information Comments

SHA256 hash: a65b5a2b51a13581addf64758c46d2fd486e1d54225bb12004e2de4a80cb5693
SHA3-384 hash: cd1d9a2959401680dfa38f29c3225655941ed0c2ffa1881dc17bf13c5c7c4c6fbaab1a2fa351bd3c29ae3772fa26895a
SHA1 hash: da50f2ce784132f90aa49e60c0c938fbaaaae516
MD5 hash: 410f119918a536ee2b260b0694a98fa0
humanhash: six-massachusetts-may-yankee
File name:file
Download: download sample
Signature GCleaner
File size:2'458'842 bytes
First seen:2022-10-26 13:17:40 UTC
Last seen:2022-10-26 13:26:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2/vnaiuKPRpIJdyk/r1eB9/gknx9yBywPPoXezLLp8HLT6JzUXwYA5hq:MQKPPu1eR93WXp3UIDq
TLSH T1A8B53322C5E5F6B2C1E4CBF2DF71880019A63C5CEC3969A0FAED894E1B378555950FE2
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 :
6
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-26 13:20:00 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
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
Moving a file to the %AppData% subdirectory
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: 731048 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-RTJ7N.tmp, PE32 10->31 dropped 13 is-RTJ7N.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 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49698, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49699, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\MQT5hqupMBQvU.exe, PE32 16->29 dropped 20 MQT5hqupMBQvU.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 14:16:59 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
19 of 26 (73.08%)
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
Gathering data
Unpacked files
SH256 hash:
c95a1f502e775744f6709d1fc43e653e941d194ed85fa2c84a862515c3daa5bd
MD5 hash:
f6c4d9776a05f7f9c4bb3dc2c65d9854
SHA1 hash:
a28b6e04e72a650ba31dbaf766bee02f4c38fbd0
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
3d9537533f1c7c374deae5fa98cac7f3902362c0834d5c82aa58fcd6b832ad08
MD5 hash:
64aafb4b1e298114a1d8b07ae36fdbb6
SHA1 hash:
312faad6a7fd700bd82e833d743996921e9bb807
SH256 hash:
fdb94ce1190e88f3f97b9f320199a1a8577120d22deeca56d6587b919718713c
MD5 hash:
2d8326c775f873b9b0d2382fa5390b9f
SHA1 hash:
0a02b4de1056eaa62c20e96e02360aa46ce3ec6a
SH256 hash:
a65b5a2b51a13581addf64758c46d2fd486e1d54225bb12004e2de4a80cb5693
MD5 hash:
410f119918a536ee2b260b0694a98fa0
SHA1 hash:
da50f2ce784132f90aa49e60c0c938fbaaaae516
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: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