Analysis
- max time kernel
149s - max time network
141s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/03/2026, 16:19
Static task
static1
Behavioral task
behavioral1
Sample
MV ZENKEN MARU.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
MV ZENKEN MARU.exe
Resource
win11-20260130-en
General
- Target MV ZENKEN MARU.exe
- Size 989KB
- Sample260323-tsk92sfz9z
- SHA256 2804023cb811e89cd1fc6bec5614a689929a3c23f68939142176c7b2fbdd4b9f
- MD5 05efdca9e8b3d881d1ebdaceca847767
- SHA1 072a5bcf3642e64be1a5d124bf22698b3efd3ae4
- SHA512 88b77a8a5e4f89fdddacea46ab9597657c40c93fa5445b06d8e8c5a1d3577bf5df752dbf1833dba414ab22a4fa8397cb82491b1ceef1b440c2bb0bedf839be5a
- SSDEEP 24576:VlL5eMJyMWgcm7ShRckwBh8IWC31Sy1D0v5U811FNQ:VlL5eMJyfgH7cEBhJWC31nqUwN
- TLSH T1A1250219B298CA02C5F7A7F92BB1E07A03B55D9EA461D74B8FDE3DDB3962B005904343
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.ardiabetes.org
-
Port
25
-
Username
-
Password
Storage@901$
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 5484 powershell.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pKlBpLr.lnk MV ZENKEN MARU.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ZENKEN MARU.exe Key opened \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ZENKEN MARU.exe Key opened \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ZENKEN MARU.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 checkip.dyndns.org 1 reallyfreegeoip.org 4 reallyfreegeoip.org - SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral2/memory/2720-6-0x0000000005440000-0x0000000005454000-memory.dmp SmartAssembly - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MV ZENKEN MARU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2720 MV ZENKEN MARU.exe 5484 powershell.exe 5484 powershell.exe 6024 powershell.exe 6024 powershell.exe 2720 MV ZENKEN MARU.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2720 MV ZENKEN MARU.exe Token: SeDebugPrivilege 5484 powershell.exe Token: SeDebugPrivilege 6024 powershell.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2720 wrote to memory of 5484 2720 MV ZENKEN MARU.exe 80 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ZENKEN MARU.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ZENKEN MARU.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\MV ZENKEN MARU.exe"C:\Users\Admin\AppData\Local\Temp\MV ZENKEN MARU.exe"1⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\MV ZENKEN MARU.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5484
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:6024
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xnkz5imf.u3h.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH