Analysis
- max time kernel
122s - max time network
148s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system - submitted
09/09/2024, 03:34
Static task
static1
Behavioral task
behavioral1
Sample
MV XINHONG PARTICULARS.pdf.scr.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
MV XINHONG PARTICULARS.pdf.scr.exe
Resource
win10v2004-20240802-en
General
- Target MV XINHONG PARTICULARS.pdf.scr.exe
- Size 659KB
- Sample240909-d4ryzascrc
- SHA256 cf5c60d3b7cbaf0ba4c33ca0d2a6710a00aec5671e2b494ade862dfde20ba011
- MD5 361bd7b1e6ed23fe0492728bb61f2753
- SHA1 6ef3f199b04c595ced0884b278eac1dc4beb60db
- SHA512 c342edbc0608e751029b3c67a11640e638383aa020e43027ff4d94b49d7cf23743e7fa54a675c92edb7e7d25928f2ae532eb2f31f275740aa2ecca3bbfbc6c29
- SSDEEP 12288:3N22VDIIoC+bth+tE+zZ7g/GaZ9ExkNQ/qBgglSY459i72l:4wzpEg6WZ7g/GaZxcPkE
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot7035334332:AAE8zHVleqNNXM6N6AzSZcjppZY2-hFR4fQ/sendMessage?chat_id=5229075943
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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 2392 powershell.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 2 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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV XINHONG PARTICULARS.pdf.scr.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV XINHONG PARTICULARS.pdf.scr.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV XINHONG PARTICULARS.pdf.scr.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1960 set thread context of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 XINHONG PARTICULARS.pdf.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MV XINHONG PARTICULARS.pdf.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2428 MV XINHONG PARTICULARS.pdf.scr.exe 2392 powershell.exe 2428 MV XINHONG PARTICULARS.pdf.scr.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2428 MV XINHONG PARTICULARS.pdf.scr.exe Token: SeDebugPrivilege 2392 powershell.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1960 wrote to memory of 2392 1960 MV XINHONG PARTICULARS.pdf.scr.exe 31 PID 1960 wrote to memory of 2392 1960 MV XINHONG PARTICULARS.pdf.scr.exe 31 PID 1960 wrote to memory of 2392 1960 MV XINHONG PARTICULARS.pdf.scr.exe 31 PID 1960 wrote to memory of 2392 1960 MV XINHONG PARTICULARS.pdf.scr.exe 31 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 PID 1960 wrote to memory of 2428 1960 MV XINHONG PARTICULARS.pdf.scr.exe 33 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV XINHONG PARTICULARS.pdf.scr.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV XINHONG PARTICULARS.pdf.scr.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\MV XINHONG PARTICULARS.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\MV XINHONG PARTICULARS.pdf.scr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960 -
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 XINHONG PARTICULARS.pdf.scr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
-
-
C:\Users\Admin\AppData\Local\Temp\MV XINHONG PARTICULARS.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\MV XINHONG PARTICULARS.pdf.scr.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2428
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2