Analysis

  • max time kernel
    41s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2023, 22:04

General

  • Target

    Setup_64bit_beta.exe

  • Size

    454.0MB

  • MD5

    ef24dcc2534834a19a0fa2292ca07b10

  • SHA1

    9a6448f758b33b25dfdb8e43925e34b8e7e571ae

  • SHA256

    4b2ddf58d0b3db67af2b0660ac1d23d333a37426658c5304a2b21d059080fd8a

  • SHA512

    d2ddb41b7bc2067e98f8c4959d76be293496d37a13c9dccaadee88a35ee50a01f9ca17a7fbffad38db7389b3b9473d6ab842bfb86802b220568d40df1c39dbac

  • SSDEEP

    49152:+ibdsDXqUSDOg6mwsoWIhZYIQU+1F6eQ+yPQvkyPGjlFGc7Nj1Rh1mY+AbfCst2L:+Bqk6o1hZdQUvQYJL7NBrbfpt2L

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 1 IoCs
  • Themida packer 17 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup_64bit_beta.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup_64bit_beta.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:276
    • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:960

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

          Filesize

          802.7MB

          MD5

          41077ed2eb48ab831382c73e1a093804

          SHA1

          82afe161f7288fff0ac0af54d8f39b9b582ad817

          SHA256

          c04f1aed342f3b953bf525985ffcc41569e34ad86c61ee51b409f37e0d95f76e

          SHA512

          dbda60173e9559d82e9b2ebb2a5b46b37e6be2adcc4237648ec76f566fb190a1e41e2a99cd3e048901eb67d906c292ae4e1349e575cb9447452d90e7cd171b70

        • \Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

          Filesize

          802.6MB

          MD5

          465a49e2ae5fe12fe16cfe8f5737a211

          SHA1

          4b27d57f82e543fa2e656919508fbf799f519817

          SHA256

          23df9382525691a849ac4be720af3cba22976e749cab517b6ec626f7a4a4687b

          SHA512

          f6f421b4da378a320bc5e1f1a3dca3fc7c8deea34903fa7d544fa2c6d118ba55b4f474a3fc7d9f79a5729c5c768b33623a394bdf7b8a78424b6ca999ef613cf2

        • memory/276-64-0x0000000000920000-0x000000000125B000-memory.dmp

          Filesize

          9.2MB

        • memory/276-65-0x0000000077180000-0x0000000077329000-memory.dmp

          Filesize

          1.7MB

        • memory/276-59-0x0000000077180000-0x0000000077329000-memory.dmp

          Filesize

          1.7MB

        • memory/276-58-0x0000000000920000-0x000000000125B000-memory.dmp

          Filesize

          9.2MB

        • memory/276-60-0x0000000000920000-0x000000000125B000-memory.dmp

          Filesize

          9.2MB

        • memory/276-56-0x0000000000920000-0x000000000125B000-memory.dmp

          Filesize

          9.2MB

        • memory/276-55-0x0000000000920000-0x000000000125B000-memory.dmp

          Filesize

          9.2MB

        • memory/276-57-0x0000000000920000-0x000000000125B000-memory.dmp

          Filesize

          9.2MB

        • memory/276-54-0x0000000000920000-0x000000000125B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-66-0x0000000000910000-0x000000000124B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-67-0x0000000000910000-0x000000000124B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-68-0x0000000000910000-0x000000000124B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-69-0x0000000000910000-0x000000000124B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-70-0x0000000077180000-0x0000000077329000-memory.dmp

          Filesize

          1.7MB

        • memory/960-71-0x0000000000910000-0x000000000124B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-72-0x0000000000910000-0x000000000124B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-73-0x0000000000910000-0x000000000124B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-74-0x0000000000910000-0x000000000124B000-memory.dmp

          Filesize

          9.2MB

        • memory/960-75-0x0000000077180000-0x0000000077329000-memory.dmp

          Filesize

          1.7MB