Analysis

  • max time kernel
    131s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/11/2022, 22:45

General

  • Target
    file.exe
  • Size 2.8MB
  • Sample221118-2pel4abe36
  • SHA256 4e9175b772c839c1ee50597212389675e75454092aaa2d59a88ea222dfab24e2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 55.7

Botnet
  • 1679

C2
  • https://t.me/deadftx

  • https://www.tiktok.com/@user6068972597711

Attributes
  • profile_id

    1679

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • 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 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
        PID:3860

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1128-146-0x0000000000D90000-0x000000000156C000-memory.dmp

          memory/1128-147-0x00007FF9F2D50000-0x00007FF9F2F45000-memory.dmp

          memory/1128-136-0x0000000000D90000-0x000000000156C000-memory.dmp

          memory/1128-137-0x00007FF9D3BB0000-0x00007FF9D4671000-memory.dmp

          memory/1128-138-0x0000000000D90000-0x000000000156C000-memory.dmp

          memory/1128-139-0x0000000000D90000-0x000000000156C000-memory.dmp

          memory/1128-140-0x00007FF9F2D50000-0x00007FF9F2F45000-memory.dmp

          memory/1128-141-0x00007FF9D3BB0000-0x00007FF9D4671000-memory.dmp

          memory/1128-134-0x00007FF9F2D50000-0x00007FF9F2F45000-memory.dmp

          memory/1128-148-0x00007FF9D3BB0000-0x00007FF9D4671000-memory.dmp

          memory/1128-132-0x0000000000D90000-0x000000000156C000-memory.dmp

          memory/3860-145-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3860-142-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3860-144-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3860-149-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3860-150-0x0000000000400000-0x0000000000467000-memory.dmp