Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/11/2024, 09:50

General

  • Target
    Solara.Dir/cd57e4c171d6e8f5ea8b8f824a6a7316.dll
  • Size 4.4MB
  • Sample241119-lt5fbavbmp
  • SHA256 f69022372a947acb86bae76f312ab518c1eb5df954339a46c4be71b4a8f73557
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.dll,#1
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:3948

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3948-0-0x0000000180000000-0x0000000180B57000-memory.dmp

        memory/3948-1-0x00007FF8E1907000-0x00007FF8E1909000-memory.dmp

        memory/3948-2-0x0000000180000000-0x0000000180B57000-memory.dmp

        memory/3948-4-0x0000000180000000-0x0000000180B57000-memory.dmp

        memory/3948-3-0x0000000180000000-0x0000000180B57000-memory.dmp

        memory/3948-6-0x00007FF8DC230000-0x00007FF8DC254000-memory.dmp

        memory/3948-5-0x0000000180000000-0x0000000180B57000-memory.dmp