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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2023, 17:53

General

  • Target

    InfectedOrcusexe_JC.exe

  • Size

    924KB

  • MD5

    50934b67c750b799ab289ed81cd3541e

  • SHA1

    5a34ca843c0519709c6a1a225d091fb8e6641634

  • SHA256

    ada48bfc6a0afe43c1f996289e8353f77d82e7b42e280b7feea7664a4beef2e3

  • SHA512

    4e43b9e5b3a235b59af02299ba231ef9ad7787ce3858ea6ccf8b864cdf1357c540f02cfba53cc9bbea581320d7a1810f3905df6384663d419ccb3a1cf35c198d

  • SSDEEP

    24576:fCC4MROxnFE3bO3YrrcI0AilFEvxHPaQoow:fKMiuoYrrcI0AilFEvxHPa

Malware Config

Extracted

Family

orcus

Botnet

Mamont

C2

soon-lp.at.ply.gg:17209

Mutex

a163d4ff29f344778830a7d0c43727e2

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    false

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Svchost

  • taskscheduler_taskname

    SvchostWin

  • watchdog_path

    AppData\SvchostWatchdog.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus main payload 5 IoCs
  • Orcurs Rat Executable 7 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\InfectedOrcusexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\InfectedOrcusexe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2544
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Users\Admin\AppData\Roaming\SvchostWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\SvchostWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2512 /protectFile
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2488
        • C:\Users\Admin\AppData\Roaming\SvchostWatchdog.exe
          "C:\Users\Admin\AppData\Roaming\SvchostWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2512 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1516
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2528
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {189DCC68-076C-44F6-A41F-0664B46F6888} S-1-5-21-86725733-3001458681-3405935542-1000:ZWKQHIWB\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      PID:1008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Orcus\Orcus.exe

    Filesize

    924KB

    MD5

    50934b67c750b799ab289ed81cd3541e

    SHA1

    5a34ca843c0519709c6a1a225d091fb8e6641634

    SHA256

    ada48bfc6a0afe43c1f996289e8353f77d82e7b42e280b7feea7664a4beef2e3

    SHA512

    4e43b9e5b3a235b59af02299ba231ef9ad7787ce3858ea6ccf8b864cdf1357c540f02cfba53cc9bbea581320d7a1810f3905df6384663d419ccb3a1cf35c198d

  • C:\Program Files (x86)\Orcus\Orcus.exe

    Filesize

    924KB

    MD5

    50934b67c750b799ab289ed81cd3541e

    SHA1

    5a34ca843c0519709c6a1a225d091fb8e6641634

    SHA256

    ada48bfc6a0afe43c1f996289e8353f77d82e7b42e280b7feea7664a4beef2e3

    SHA512

    4e43b9e5b3a235b59af02299ba231ef9ad7787ce3858ea6ccf8b864cdf1357c540f02cfba53cc9bbea581320d7a1810f3905df6384663d419ccb3a1cf35c198d

  • C:\Program Files (x86)\Orcus\Orcus.exe

    Filesize

    924KB

    MD5

    50934b67c750b799ab289ed81cd3541e

    SHA1

    5a34ca843c0519709c6a1a225d091fb8e6641634

    SHA256

    ada48bfc6a0afe43c1f996289e8353f77d82e7b42e280b7feea7664a4beef2e3

    SHA512

    4e43b9e5b3a235b59af02299ba231ef9ad7787ce3858ea6ccf8b864cdf1357c540f02cfba53cc9bbea581320d7a1810f3905df6384663d419ccb3a1cf35c198d

  • C:\Program Files (x86)\Orcus\Orcus.exe

    Filesize

    924KB

    MD5

    50934b67c750b799ab289ed81cd3541e

    SHA1

    5a34ca843c0519709c6a1a225d091fb8e6641634

    SHA256

    ada48bfc6a0afe43c1f996289e8353f77d82e7b42e280b7feea7664a4beef2e3

    SHA512

    4e43b9e5b3a235b59af02299ba231ef9ad7787ce3858ea6ccf8b864cdf1357c540f02cfba53cc9bbea581320d7a1810f3905df6384663d419ccb3a1cf35c198d

  • C:\Program Files (x86)\Orcus\Orcus.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Users\Admin\AppData\Roaming\Orcus\err_a163d4ff29f344778830a7d0c43727e2.dat

    Filesize

    1KB

    MD5

    d6c170b33202af92b9aab895d1391fc4

    SHA1

    ce248fe873aa5fa22bcecc1663e8129a0e0dc88f

    SHA256

    38f4a17f5391f54940c70a679404cf6e5b41c9b05bc352eecc41b3f690d25bdc

    SHA512

    c23891facad70731fb5038a9489a5e5bd26f34bd5a4e0260e24a02dd42cbf6b96742ebdf4c6d47b754a65b71c23778d38d8c918636568a43418d9bbfaa6ff406

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Roaming\SvchostWatchdog.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • \Program Files (x86)\Orcus\Orcus.exe

    Filesize

    924KB

    MD5

    50934b67c750b799ab289ed81cd3541e

    SHA1

    5a34ca843c0519709c6a1a225d091fb8e6641634

    SHA256

    ada48bfc6a0afe43c1f996289e8353f77d82e7b42e280b7feea7664a4beef2e3

    SHA512

    4e43b9e5b3a235b59af02299ba231ef9ad7787ce3858ea6ccf8b864cdf1357c540f02cfba53cc9bbea581320d7a1810f3905df6384663d419ccb3a1cf35c198d

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • \Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • memory/1008-47-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/1008-64-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/1008-50-0x00000000005C0000-0x0000000000600000-memory.dmp

    Filesize

    256KB

  • memory/1516-67-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/1516-63-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2488-62-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2488-58-0x0000000000820000-0x0000000000828000-memory.dmp

    Filesize

    32KB

  • memory/2488-59-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2512-45-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

    Filesize

    64KB

  • memory/2512-39-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2512-40-0x0000000000A80000-0x0000000000AC0000-memory.dmp

    Filesize

    256KB

  • memory/2512-43-0x0000000004C40000-0x0000000004C8E000-memory.dmp

    Filesize

    312KB

  • memory/2512-44-0x0000000004D00000-0x0000000004D18000-memory.dmp

    Filesize

    96KB

  • memory/2512-66-0x0000000000A80000-0x0000000000AC0000-memory.dmp

    Filesize

    256KB

  • memory/2512-65-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2512-38-0x0000000000D30000-0x0000000000E1E000-memory.dmp

    Filesize

    952KB

  • memory/2528-61-0x000007FEF5140000-0x000007FEF5B2C000-memory.dmp

    Filesize

    9.9MB

  • memory/2528-24-0x0000000000380000-0x000000000038C000-memory.dmp

    Filesize

    48KB

  • memory/2528-25-0x000007FEF5140000-0x000007FEF5B2C000-memory.dmp

    Filesize

    9.9MB

  • memory/2528-26-0x0000000019550000-0x00000000195D0000-memory.dmp

    Filesize

    512KB

  • memory/2544-19-0x000000001AEC0000-0x000000001AF40000-memory.dmp

    Filesize

    512KB

  • memory/2544-17-0x00000000002B0000-0x00000000002BC000-memory.dmp

    Filesize

    48KB

  • memory/2544-18-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

    Filesize

    9.9MB

  • memory/2544-22-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

    Filesize

    9.9MB

  • memory/2988-3-0x0000000000330000-0x000000000033E000-memory.dmp

    Filesize

    56KB

  • memory/2988-2-0x0000000004AF0000-0x0000000004B30000-memory.dmp

    Filesize

    256KB

  • memory/2988-1-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2988-4-0x0000000000360000-0x00000000003BC000-memory.dmp

    Filesize

    368KB

  • memory/2988-36-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2988-0-0x0000000000E70000-0x0000000000F5E000-memory.dmp

    Filesize

    952KB

  • memory/2988-7-0x00000000008D0000-0x00000000008D8000-memory.dmp

    Filesize

    32KB

  • memory/2988-5-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2988-6-0x00000000008C0000-0x00000000008C8000-memory.dmp

    Filesize

    32KB