MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 889e500575beac157a4bd93262b838921b04f762a0da4de3bb2d728a6bb49707. 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: 889e500575beac157a4bd93262b838921b04f762a0da4de3bb2d728a6bb49707
SHA3-384 hash: bc6a8acb2eabf885ac7d8367a37444c335fa1bba10ac5c0af4dddb3f0af6353be44c04d495d6122b8b5312e258963d6b
SHA1 hash: 998f556d237d4c0039929649f62552a4c173affd
MD5 hash: 716e2495bc0d7c82750e660120cc6ee7
humanhash: delaware-oxygen-hot-carolina
File name:file
Download: download sample
Signature GCleaner
File size:2'395'510 bytes
First seen:2022-10-27 07:01:44 UTC
Last seen:2022-10-27 07:30:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'449 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2jlQn6m2X6i6aeC9oaIi+AsJqvXQfSVNnkrufmp1sA5hq:MG6m2X6iGFjiFA6VNn0ufmDDq
TLSH T11FB53302C5C444B0D0B1EAF85CA8F51946E7B92620352C5F72AC58CF2B6E5F2E86DB5F
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 :
18
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-27 07:04:41 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 window
Creating a file in the %temp% subdirectories
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
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: 731692 Sample: file.exe Startdate: 27/10/2022 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-DTK2U.tmp, PE32 10->31 dropped 13 is-DTK2U.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 ezsearcher61.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49693, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49694, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49692, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\eZ3OwX2oadiW.exe, PE32 16->29 dropped 20 eZ3OwX2oadiW.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:
2022-10-27 07:02:43 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:
9462b029674cb19e3d4bf4963e12e814f229ca6dc0c3892843d8cc40b4d7eefb
MD5 hash:
b21cb7e911fbbb4e9d93a1b57b0bca29
SHA1 hash:
1b16041126c72bedfc83e3fea6c0bdadbd1f7e05
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
08d0837ccf0b959ca63e753dbf2c3aa0a10109b85f092be4525d77ced599e0ff
MD5 hash:
d88f3f4baac5466870e4710af573416e
SHA1 hash:
8c75c4d996032f0801d9f31dedce3fdb0966ae87
SH256 hash:
889e500575beac157a4bd93262b838921b04f762a0da4de3bb2d728a6bb49707
MD5 hash:
716e2495bc0d7c82750e660120cc6ee7
SHA1 hash:
998f556d237d4c0039929649f62552a4c173affd
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