Analysis
- max time kernel
290s - max time network
297s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
25/04/2024, 02:50
General
- Target 73de2d3dc0f93ca337b6b55ab193c6ab2fc8b5ae189eb3a6a5816d8e0dad145e.exe
- Size 5.5MB
- Sample240425-db3vrsea47
- SHA256 73de2d3dc0f93ca337b6b55ab193c6ab2fc8b5ae189eb3a6a5816d8e0dad145e
Malware Config
Signatures
- Modifies firewall policy service 2 TTPs 1 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Themida packer 11 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory 4 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\73de2d3dc0f93ca337b6b55ab193c6ab2fc8b5ae189eb3a6a5816d8e0dad145e.exe"C:\Users\Admin\AppData\Local\Temp\73de2d3dc0f93ca337b6b55ab193c6ab2fc8b5ae189eb3a6a5816d8e0dad145e.exe"1⤵
- Modifies firewall policy service
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2076-0-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-1-0x00007FF90FC40000-0x00007FF90FE89000-memory.dmp
memory/2076-2-0x00007FF9113A0000-0x00007FF91144E000-memory.dmp
memory/2076-3-0x00007FF9113A0000-0x00007FF91144E000-memory.dmp
memory/2076-4-0x00007FF9113A0000-0x00007FF91144E000-memory.dmp
memory/2076-5-0x00007FF90FC40000-0x00007FF90FE89000-memory.dmp
memory/2076-6-0x00007FF900000000-0x00007FF900002000-memory.dmp
memory/2076-8-0x00007FF900030000-0x00007FF900031000-memory.dmp
memory/2076-7-0x00007FF913550000-0x00007FF91372B000-memory.dmp
memory/2076-9-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-10-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-11-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-12-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-13-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-15-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-14-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-16-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-24-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-25-0x00007FF90FC40000-0x00007FF90FE89000-memory.dmp
memory/2076-26-0x00007FF7A3660000-0x00007FF7A3D9C000-memory.dmp
memory/2076-27-0x00007FF9113A0000-0x00007FF91144E000-memory.dmp
memory/2076-29-0x00007FF913550000-0x00007FF91372B000-memory.dmp