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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-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 4 IoCs
  • Orcurs Rat Executable 5 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe
    "C:\Users\Admin\AppData\Local\Temp\99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:1292
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 1892 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1644
        • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
          "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 1892 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2648
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:1584
  • C:\Program Files (x86)\Orcus\Orcus.exe
    "C:\Program Files (x86)\Orcus\Orcus.exe"
    1⤵
    • Executes dropped EXE
    PID:3552

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\OrcusWatchdog.exe.log

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

  • 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

    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

    6d093e20c2bfb3dd5def4172fc56931a

    SHA1

    900c12cefaebb6d2e41688b158d036589d78b008

    SHA256

    8f82fb069a652171c9e4a8c00b3b3f1eb12a14c0e087adc4c78832b8f206c52e

    SHA512

    f6fec9c47f627b428f7b17ffdbe1abc26b6f927978eaaa48782e8f23531c23c60ef13bf9d1951535c8d1c54d49098a8ba1f42129c29bfb536d7e0adea60574c6

  • 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

    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

  • memory/844-59-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/844-5-0x00000000059C0000-0x0000000005F64000-memory.dmp

    Filesize

    5.6MB

  • memory/844-15-0x0000000006250000-0x000000000635A000-memory.dmp

    Filesize

    1.0MB

  • memory/844-14-0x00000000060D0000-0x000000000611C000-memory.dmp

    Filesize

    304KB

  • memory/844-2-0x0000000005400000-0x0000000005410000-memory.dmp

    Filesize

    64KB

  • memory/844-0-0x0000000000800000-0x00000000008EE000-memory.dmp

    Filesize

    952KB

  • memory/844-12-0x0000000006030000-0x0000000006042000-memory.dmp

    Filesize

    72KB

  • memory/844-11-0x0000000006600000-0x0000000006C18000-memory.dmp

    Filesize

    6.1MB

  • memory/844-10-0x0000000005F70000-0x0000000005FD6000-memory.dmp

    Filesize

    408KB

  • memory/844-8-0x0000000005910000-0x0000000005918000-memory.dmp

    Filesize

    32KB

  • memory/844-13-0x0000000006090000-0x00000000060CC000-memory.dmp

    Filesize

    240KB

  • memory/844-1-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/844-17-0x0000000006C20000-0x0000000006C42000-memory.dmp

    Filesize

    136KB

  • memory/844-9-0x0000000005920000-0x0000000005928000-memory.dmp

    Filesize

    32KB

  • memory/844-7-0x0000000005900000-0x0000000005912000-memory.dmp

    Filesize

    72KB

  • memory/844-6-0x0000000005410000-0x00000000054A2000-memory.dmp

    Filesize

    584KB

  • memory/844-3-0x0000000001350000-0x000000000135E000-memory.dmp

    Filesize

    56KB

  • memory/844-4-0x0000000002C90000-0x0000000002CEC000-memory.dmp

    Filesize

    368KB

  • memory/1292-39-0x00007FF9ACDC0000-0x00007FF9AD881000-memory.dmp

    Filesize

    10.8MB

  • memory/1292-35-0x0000000002AE0000-0x0000000002B1C000-memory.dmp

    Filesize

    240KB

  • memory/1292-34-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

    Filesize

    72KB

  • memory/1292-33-0x000000001B5E0000-0x000000001B5F0000-memory.dmp

    Filesize

    64KB

  • memory/1292-32-0x00007FF9ACDC0000-0x00007FF9AD881000-memory.dmp

    Filesize

    10.8MB

  • memory/1292-31-0x00000000008C0000-0x00000000008CC000-memory.dmp

    Filesize

    48KB

  • memory/1584-42-0x0000000019DD0000-0x0000000019DE0000-memory.dmp

    Filesize

    64KB

  • memory/1584-96-0x0000000019DD0000-0x0000000019DE0000-memory.dmp

    Filesize

    64KB

  • memory/1584-95-0x00007FF9ACDC0000-0x00007FF9AD881000-memory.dmp

    Filesize

    10.8MB

  • memory/1584-41-0x00007FF9ACDC0000-0x00007FF9AD881000-memory.dmp

    Filesize

    10.8MB

  • memory/1584-43-0x000000001A2F0000-0x000000001A3FA000-memory.dmp

    Filesize

    1.0MB

  • memory/1644-86-0x00000000002C0000-0x00000000002C8000-memory.dmp

    Filesize

    32KB

  • memory/1644-91-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/1644-87-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-72-0x0000000007280000-0x000000000728A000-memory.dmp

    Filesize

    40KB

  • memory/1892-70-0x0000000007290000-0x0000000007452000-memory.dmp

    Filesize

    1.8MB

  • memory/1892-98-0x00000000055D0000-0x00000000055E0000-memory.dmp

    Filesize

    64KB

  • memory/1892-64-0x00000000066B0000-0x00000000066FE000-memory.dmp

    Filesize

    312KB

  • memory/1892-65-0x0000000006720000-0x0000000006738000-memory.dmp

    Filesize

    96KB

  • memory/1892-67-0x0000000006F00000-0x0000000006F18000-memory.dmp

    Filesize

    96KB

  • memory/1892-71-0x0000000007100000-0x0000000007110000-memory.dmp

    Filesize

    64KB

  • memory/1892-61-0x00000000055D0000-0x00000000055E0000-memory.dmp

    Filesize

    64KB

  • memory/1892-97-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-60-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/2648-92-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/2648-99-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/3552-94-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/3552-68-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/3552-69-0x0000000005260000-0x0000000005270000-memory.dmp

    Filesize

    64KB