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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 23:40

General

  • Target

    Update Check.exe

  • Size

    4.2MB

  • MD5

    d53d1f00ed58f99f59822c2d2d544010

  • SHA1

    0b7044e63ad051185cdfac92e23ce85af8faa9c8

  • SHA256

    58638ff7af545a8ddf3d05ec44b916de2f6e5e3a3d9ed1d9ac95c43737b3d974

  • SHA512

    4fe5428921a60bd4fdb5f91a4a0e35d6656f14071a2841a254523e04608cc89b79662b538e5f34aa157540fd87efd98a34be8bf662e2f5ed94abd85fc3f3b9e8

  • SSDEEP

    98304:SelujKJAy3ppt06bZmCOHDujxBJSjMgL3+ylLGEeU4uz1P9zz9Izjhed:SZ1yZpt06NmPjuBYAAOylLGEeRy9zz9r

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTI1OTY0MjcxOTc2OTMyOTc0NA.G7ihTo._RCPiBzL9dSbWyoWQXFjvV6wNhGpmHiAW1ckvc

  • server_id

    1292317246118559744

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Update Check.exe
    "C:\Users\Admin\AppData\Local\Temp\Update Check.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 WriteProcessMemory
    PID:2416
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2416 -s 608
      2⤵
        PID:2948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2416-0-0x000000013FC30000-0x0000000140778000-memory.dmp

      Filesize

      11.3MB

    • memory/2416-1-0x000007FEFD5B4000-0x000007FEFD5B5000-memory.dmp

      Filesize

      4KB

    • memory/2416-3-0x000007FEFD5A0000-0x000007FEFD60C000-memory.dmp

      Filesize

      432KB

    • memory/2416-2-0x000007FEFD5A0000-0x000007FEFD60C000-memory.dmp

      Filesize

      432KB

    • memory/2416-5-0x000007FEFD5A0000-0x000007FEFD60C000-memory.dmp

      Filesize

      432KB

    • memory/2416-4-0x000007FEFD5A0000-0x000007FEFD60C000-memory.dmp

      Filesize

      432KB

    • memory/2416-7-0x000000013FC30000-0x0000000140778000-memory.dmp

      Filesize

      11.3MB

    • memory/2416-8-0x000000013FC30000-0x0000000140778000-memory.dmp

      Filesize

      11.3MB

    • memory/2416-9-0x000007FEFD5A0000-0x000007FEFD60C000-memory.dmp

      Filesize

      432KB

    • memory/2416-10-0x000000013FC30000-0x0000000140778000-memory.dmp

      Filesize

      11.3MB

    • memory/2416-11-0x000007FEFD5B4000-0x000007FEFD5B5000-memory.dmp

      Filesize

      4KB

    • memory/2416-12-0x000007FEFD5A0000-0x000007FEFD60C000-memory.dmp

      Filesize

      432KB

    • memory/2416-14-0x000000013FC30000-0x0000000140778000-memory.dmp

      Filesize

      11.3MB