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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    30/11/2023, 02:24

General

  • Target

    99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe

  • Size

    924KB

  • MD5

    270086e769ae63f6f15fe386ee301eb4

  • SHA1

    5f761d634ac920615e3f8f54a496df240708e6a9

  • SHA256

    99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae

  • SHA512

    8b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf

  • SSDEEP

    24576:JBB4MROxnFE3WO3ErrcI0AilFEvxHPvAooR:JQMiuDErrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

C2

192.168.1.142:10134

Mutex

bbaa72868c07447d876093a337510db3

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\OrcusWatchdog.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
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe
    "C:\Users\Admin\AppData\Local\Temp\99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2804
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2528 /protectFile
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
          "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2528 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1608
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2552
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F7D2FFDD-FB48-416E-89A0-BE82687B6340} S-1-5-21-1861898231-3446828954-4278112889-1000:PTZSFKIF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      PID:1512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    924KB

    MD5

    270086e769ae63f6f15fe386ee301eb4

    SHA1

    5f761d634ac920615e3f8f54a496df240708e6a9

    SHA256

    99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae

    SHA512

    8b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf

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

    Filesize

    924KB

    MD5

    270086e769ae63f6f15fe386ee301eb4

    SHA1

    5f761d634ac920615e3f8f54a496df240708e6a9

    SHA256

    99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae

    SHA512

    8b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf

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

    Filesize

    924KB

    MD5

    270086e769ae63f6f15fe386ee301eb4

    SHA1

    5f761d634ac920615e3f8f54a496df240708e6a9

    SHA256

    99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae

    SHA512

    8b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf

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

    Filesize

    924KB

    MD5

    270086e769ae63f6f15fe386ee301eb4

    SHA1

    5f761d634ac920615e3f8f54a496df240708e6a9

    SHA256

    99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae

    SHA512

    8b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Users\Admin\AppData\Roaming\Orcus\err_bbaa72868c07447d876093a337510db3.dat

    Filesize

    1KB

    MD5

    0d61950324fbd99e553389082ec684b6

    SHA1

    0c073027dfc66a97572bab2547eb16ef97aac74f

    SHA256

    00acebfc2bc7fce78603bf917aba7675eaaa2257523ffb7ea9eefda47d1bd9b6

    SHA512

    c16af9afe4ef269df605c8d87e3182f5a3aad8be13767ce6fc714e462b36a8c5cdcaad39abc1261e146886fd05edb8a9f554c07d93b84a7dd89dc01495943a13

  • 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

    270086e769ae63f6f15fe386ee301eb4

    SHA1

    5f761d634ac920615e3f8f54a496df240708e6a9

    SHA256

    99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae

    SHA512

    8b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf

  • \Users\Admin\AppData\Roaming\OrcusWatchdog.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/1512-47-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1512-65-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1512-48-0x0000000004A90000-0x0000000004AD0000-memory.dmp

    Filesize

    256KB

  • memory/1608-63-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1608-69-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-64-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-61-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-60-0x0000000000EC0000-0x0000000000EC8000-memory.dmp

    Filesize

    32KB

  • memory/2464-7-0x0000000000640000-0x0000000000648000-memory.dmp

    Filesize

    32KB

  • memory/2464-0-0x0000000000EC0000-0x0000000000FAE000-memory.dmp

    Filesize

    952KB

  • memory/2464-5-0x00000000004D0000-0x00000000004E2000-memory.dmp

    Filesize

    72KB

  • memory/2464-4-0x0000000004680000-0x00000000046DC000-memory.dmp

    Filesize

    368KB

  • memory/2464-3-0x0000000000240000-0x000000000024E000-memory.dmp

    Filesize

    56KB

  • memory/2464-2-0x0000000004AD0000-0x0000000004B10000-memory.dmp

    Filesize

    256KB

  • memory/2464-36-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-6-0x0000000000630000-0x0000000000638000-memory.dmp

    Filesize

    32KB

  • memory/2464-1-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2528-38-0x0000000000140000-0x000000000022E000-memory.dmp

    Filesize

    952KB

  • memory/2528-67-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2528-50-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2528-49-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2528-44-0x0000000004860000-0x0000000004878000-memory.dmp

    Filesize

    96KB

  • memory/2528-43-0x0000000002000000-0x000000000204E000-memory.dmp

    Filesize

    312KB

  • memory/2528-40-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2528-39-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2528-68-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2528-45-0x00000000048B0000-0x00000000048C0000-memory.dmp

    Filesize

    64KB

  • memory/2552-25-0x000007FEF4BB0000-0x000007FEF559C000-memory.dmp

    Filesize

    9.9MB

  • memory/2552-66-0x000007FEF4BB0000-0x000007FEF559C000-memory.dmp

    Filesize

    9.9MB

  • memory/2552-24-0x0000000000020000-0x000000000002C000-memory.dmp

    Filesize

    48KB

  • memory/2552-26-0x0000000019920000-0x00000000199A0000-memory.dmp

    Filesize

    512KB

  • memory/2804-22-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

    Filesize

    9.9MB

  • memory/2804-19-0x000000001A680000-0x000000001A700000-memory.dmp

    Filesize

    512KB

  • memory/2804-18-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

    Filesize

    9.9MB

  • memory/2804-17-0x0000000001110000-0x000000000111C000-memory.dmp

    Filesize

    48KB