Analysis

  • max time kernel
    146s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 09:41

General

  • Target

    Bypass.exe

  • Size

    3.3MB

  • MD5

    cb683f37f0902ce6620eb94f0ccd8a87

  • SHA1

    53a9dcd66067278d83a69dda13b11923df65494e

  • SHA256

    893b07a3803d12a3f68b7ba487ec3c89b832604880b08374b543913c68e181d3

  • SHA512

    bfbd8733ae4fc9e50e7a8447eeb9fe89b3e46cca4e3eb70a5bd111413171fd89fd89c997be3957bcbdf90bc41bc24e66c771617bc5c670b509e11a3cc2f70dff

  • SSDEEP

    98304:nCNLxgjTecpczSWUQju2WehX/EiJWeRS/AZ:bR+AZ2Wava4Z

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.

  • Executes dropped EXE 2 IoCs
  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bypass.exe
    "C:\Users\Admin\AppData\Local\Temp\Bypass.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4212
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c sc queryex BrokerInfrastructure | findstr PID
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Windows\SysWOW64\sc.exe
        sc queryex BrokerInfrastructure
        3⤵
        • Launches sc.exe
        PID:3632
      • C:\Windows\SysWOW64\findstr.exe
        findstr PID
        3⤵
          PID:2204
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /c sc queryex LSM | findstr PID
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3820
        • C:\Windows\SysWOW64\sc.exe
          sc queryex LSM
          3⤵
          • Launches sc.exe
          PID:1668
        • C:\Windows\SysWOW64\findstr.exe
          findstr PID
          3⤵
            PID:3008
        • C:\Windows\SysWOW64\PsSuspend.exe
          "PsSuspend.exe" 808
          2⤵
          • Executes dropped EXE
          PID:208
        • C:\Windows\SysWOW64\PsSuspend.exe
          "PsSuspend.exe" 956
          2⤵
          • Executes dropped EXE
          PID:212

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\PsSuspend.exe

        Filesize

        383KB

        MD5

        1b9f1a75593dfc670fa7c54659ab5796

        SHA1

        c9f0c40e012f8cfe20b1e5cd6a9a7b078e89a00b

        SHA256

        95a922e178075fb771066db4ab1bd70c7016f794709d514ab1c7f11500f016cd

        SHA512

        ab7b26ce5487af2a337cabfa16908ddf72bf1f6942675760e7decee874dd0f72fd47aa42bc442fe11f71fab03106c75db0234199974c7de84d1ed3f12a9b4788

      • memory/4212-8-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-6-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-12-0x00000000004E0000-0x0000000000DA2000-memory.dmp

        Filesize

        8.8MB

      • memory/4212-15-0x00000000004E0000-0x0000000000DA2000-memory.dmp

        Filesize

        8.8MB

      • memory/4212-4-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-3-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-2-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-0-0x00000000004E0000-0x0000000000DA2000-memory.dmp

        Filesize

        8.8MB

      • memory/4212-1-0x0000000077840000-0x0000000077841000-memory.dmp

        Filesize

        4KB

      • memory/4212-7-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-5-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-16-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-17-0x0000000077840000-0x0000000077841000-memory.dmp

        Filesize

        4KB

      • memory/4212-18-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-19-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-21-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-22-0x0000000077820000-0x0000000077910000-memory.dmp

        Filesize

        960KB

      • memory/4212-11-0x00000000004E0000-0x0000000000DA2000-memory.dmp

        Filesize

        8.8MB