Analysis

  • max time kernel
    1563s
  • max time network
    1564s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    09-06-2024 14:29

General

  • Target

    valorant installer.exe

  • Size

    7.5MB

  • MD5

    469679fe4074c5aeeb4e1412ca7523bd

  • SHA1

    efa18e2d3d31e3f88df471bc9b5c9b7ee76ec658

  • SHA256

    cf29b4fe81d71aa079d0098932f430aa2c880f8c44bd3a136b3d8e37eea56cf8

  • SHA512

    d3a73f399f07e5785ef784f9221527c9cdadc6a125b86ed2bf76b6da8298356d23f1269252aad238aa4617948ccc77fbc6300bb0116a8a48b698861eea21176e

  • SSDEEP

    196608:LHyfZHTqZf0HHAZJO2fPebFOF9Dv/aQkpQlzzB2ASTV0nwxNAnLGx299I5:LWzqZfKg3ZP53DaQm6JkqKAnLGN

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
  • Enumerates system info in registry 2 TTPs 32 IoCs
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:428
    • C:\Users\Admin\AppData\Local\Temp\valorant installer.exe
      "C:\Users\Admin\AppData\Local\Temp\valorant installer.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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2976
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:2688
      • C:\Windows\system32\csrss.exe
        %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
        1⤵
        • Enumerates system info in registry
        • Suspicious use of WriteProcessMemory
        PID:2712
      • C:\Windows\system32\winlogon.exe
        winlogon.exe
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2624

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/428-5-0x0000000000160000-0x0000000000162000-memory.dmp

        Filesize

        8KB

      • memory/428-3-0x0000000000160000-0x0000000000162000-memory.dmp

        Filesize

        8KB

      • memory/2624-21-0x0000000077930000-0x0000000077AD9000-memory.dmp

        Filesize

        1.7MB

      • memory/2624-22-0x0000000077930000-0x0000000077AD9000-memory.dmp

        Filesize

        1.7MB

      • memory/2976-11-0x0000000000410000-0x0000000000411000-memory.dmp

        Filesize

        4KB

      • memory/2976-8-0x0000000140000000-0x0000000141418000-memory.dmp

        Filesize

        20.1MB

      • memory/2976-13-0x0000000077930000-0x0000000077AD9000-memory.dmp

        Filesize

        1.7MB

      • memory/2976-12-0x0000000077980000-0x0000000077982000-memory.dmp

        Filesize

        8KB

      • memory/2976-6-0x00000000003F0000-0x00000000003FB000-memory.dmp

        Filesize

        44KB

      • memory/2976-10-0x0000000000410000-0x0000000000411000-memory.dmp

        Filesize

        4KB

      • memory/2976-14-0x0000000140000000-0x0000000141418000-memory.dmp

        Filesize

        20.1MB

      • memory/2976-15-0x0000000140000000-0x0000000141418000-memory.dmp

        Filesize

        20.1MB

      • memory/2976-16-0x0000000140000000-0x0000000141418000-memory.dmp

        Filesize

        20.1MB

      • memory/2976-19-0x0000000140000000-0x0000000141418000-memory.dmp

        Filesize

        20.1MB

      • memory/2976-20-0x0000000077930000-0x0000000077AD9000-memory.dmp

        Filesize

        1.7MB

      • memory/2976-9-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/2976-0-0x00000000003F0000-0x00000000003FB000-memory.dmp

        Filesize

        44KB