Analysis

  • max time kernel
    440s
  • max time network
    1173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-04-2024 17:09

General

  • Target

    DiscordClient_protected1.exe

  • Size

    3.9MB

  • MD5

    e424147d44da9c361371240460f70855

  • SHA1

    d72d2366e00a44557992b0e6d9d95a0d5c92135e

  • SHA256

    74d21d44cbe608ad924046d1a210ff1296fef147a90474e76df69b6f6a3a3ab3

  • SHA512

    9b01cfb1df86d65a59c2d3009512b5dd4ae29bb3a9c4caf1ce4601d19deb05eacaa73bb883e23ddbdf298a4ed9389b837b07a43b797c3e36474bfb7ef8918074

  • SSDEEP

    98304:8DXwmM5AAksLQ1jksaKZi5B4yAxbA+onKyiKKyE7LQhHz:awmM6A5LQ1jksjiQO8KKyE7LET

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 2 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DiscordClient_protected1.exe
    "C:\Users\Admin\AppData\Local\Temp\DiscordClient_protected1.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:1492
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Windows\explorer.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:452
        • C:\Windows\system32\certutil.exe
          certutil -hashfile "C:\Windows\explorer.exe" MD5
          4⤵
            PID:2920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1492-0-0x00007FF6179A0000-0x00007FF618402000-memory.dmp

      Filesize

      10.4MB

    • memory/1492-1-0x00007FFF93D70000-0x00007FFF93F65000-memory.dmp

      Filesize

      2.0MB

    • memory/1492-8-0x00007FF6179A0000-0x00007FF618402000-memory.dmp

      Filesize

      10.4MB

    • memory/1492-10-0x00007FFF93D70000-0x00007FFF93F65000-memory.dmp

      Filesize

      2.0MB

    • memory/4776-2-0x0000000140000000-0x0000000140175000-memory.dmp

      Filesize

      1.5MB

    • memory/4776-3-0x0000000140000000-0x0000000140175000-memory.dmp

      Filesize

      1.5MB

    • memory/4776-4-0x0000000140000000-0x0000000140175000-memory.dmp

      Filesize

      1.5MB

    • memory/4776-5-0x0000000140000000-0x0000000140175000-memory.dmp

      Filesize

      1.5MB

    • memory/4776-6-0x0000000002C50000-0x0000000002C51000-memory.dmp

      Filesize

      4KB

    • memory/4776-7-0x0000000140000000-0x0000000140175000-memory.dmp

      Filesize

      1.5MB

    • memory/4776-11-0x0000000140000000-0x0000000140175000-memory.dmp

      Filesize

      1.5MB