Analysis

  • max time kernel
    4294211s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    08-04-2022 09:49

General

  • Target

    403e44e8e3b64ccc3a4ffdbccc4aa054.exe

  • Size

    76KB

  • MD5

    403e44e8e3b64ccc3a4ffdbccc4aa054

  • SHA1

    ac4e9497417c4b8fe3d8b84a9545f348c710ac11

  • SHA256

    c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d

  • SHA512

    cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\403e44e8e3b64ccc3a4ffdbccc4aa054.exe
    "C:\Users\Admin\AppData\Local\Temp\403e44e8e3b64ccc3a4ffdbccc4aa054.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
        3⤵
          PID:1572

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\svchost.exe

      Filesize

      76KB

      MD5

      403e44e8e3b64ccc3a4ffdbccc4aa054

      SHA1

      ac4e9497417c4b8fe3d8b84a9545f348c710ac11

      SHA256

      c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d

      SHA512

      cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182

    • C:\Users\Admin\AppData\Roaming\svchost.exe

      Filesize

      76KB

      MD5

      403e44e8e3b64ccc3a4ffdbccc4aa054

      SHA1

      ac4e9497417c4b8fe3d8b84a9545f348c710ac11

      SHA256

      c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d

      SHA512

      cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182

    • \Users\Admin\AppData\Roaming\svchost.exe

      Filesize

      76KB

      MD5

      403e44e8e3b64ccc3a4ffdbccc4aa054

      SHA1

      ac4e9497417c4b8fe3d8b84a9545f348c710ac11

      SHA256

      c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d

      SHA512

      cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182

    • \Users\Admin\AppData\Roaming\svchost.exe

      Filesize

      76KB

      MD5

      403e44e8e3b64ccc3a4ffdbccc4aa054

      SHA1

      ac4e9497417c4b8fe3d8b84a9545f348c710ac11

      SHA256

      c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d

      SHA512

      cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182

    • memory/524-58-0x0000000000000000-mapping.dmp

    • memory/524-62-0x0000000074E10000-0x00000000753BB000-memory.dmp

      Filesize

      5.7MB

    • memory/1572-63-0x0000000000000000-mapping.dmp

    • memory/1752-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

      Filesize

      8KB

    • memory/1752-55-0x0000000074E10000-0x00000000753BB000-memory.dmp

      Filesize

      5.7MB