Analysis
- max time kernel
141s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
13/11/2024, 02:52
General
- Target be0b05580938cea205cb3e035bf9f814327b30a59ea80bae55255530519d1fcd.exe
- Size 814KB
- Sample241113-dcs2ysvhnq
- SHA256 be0b05580938cea205cb3e035bf9f814327b30a59ea80bae55255530519d1fcd
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot8177184706:AAEJ0_bPTtjIc-PnjNdYNmARZ2fvBD17ZJI/sendMessage?chat_id=6198188190
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Loads dropped DLL 1 IoCs
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\be0b05580938cea205cb3e035bf9f814327b30a59ea80bae55255530519d1fcd.exe"C:\Users\Admin\AppData\Local\Temp\be0b05580938cea205cb3e035bf9f814327b30a59ea80bae55255530519d1fcd.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\be0b05580938cea205cb3e035bf9f814327b30a59ea80bae55255530519d1fcd.exe"C:\Users\Admin\AppData\Local\Temp\be0b05580938cea205cb3e035bf9f814327b30a59ea80bae55255530519d1fcd.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/784-21-0x0000000000480000-0x00000000004CA000-memory.dmp
memory/784-24-0x0000000072ED0000-0x0000000073680000-memory.dmp
memory/784-14-0x0000000077E11000-0x0000000077F31000-memory.dmp
memory/784-15-0x0000000077E98000-0x0000000077E99000-memory.dmp
memory/784-16-0x0000000077E11000-0x0000000077F31000-memory.dmp
memory/784-18-0x0000000000480000-0x00000000016D4000-memory.dmp
memory/784-20-0x0000000072EDE000-0x0000000072EDF000-memory.dmp
memory/784-33-0x0000000039930000-0x000000003993A000-memory.dmp
memory/784-32-0x0000000039840000-0x00000000398D2000-memory.dmp
memory/784-22-0x00000000381C0000-0x0000000038764000-memory.dmp
memory/784-23-0x00000000387B0000-0x000000003884C000-memory.dmp
memory/784-25-0x0000000039000000-0x00000000391C2000-memory.dmp
memory/784-26-0x00000000391E0000-0x0000000039230000-memory.dmp
memory/784-27-0x00000000392C0000-0x00000000397EC000-memory.dmp
memory/784-29-0x0000000072EDE000-0x0000000072EDF000-memory.dmp
memory/784-30-0x0000000072ED0000-0x0000000073680000-memory.dmp
memory/936-13-0x0000000010004000-0x0000000010005000-memory.dmp
memory/936-12-0x0000000077E11000-0x0000000077F31000-memory.dmp