Analysis

  • max time kernel
    97s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    31/03/2023, 10:42

General

  • Target

    LeonTap2-3-1.exe

  • Size

    935KB

  • MD5

    5791584fc3bfb6898050e73eb2bf984a

  • SHA1

    4061fb087856ce6006f33d18b3cabd5cac27751b

  • SHA256

    eac3763edc051d25bf09155c08bc5654e4792aae33776d1fab431c32f391bf8f

  • SHA512

    db7e92ec96299ec33b7af24420aab44f4ab136a9a273705f4fc7e3b4276214bb452a34d64318f29a03fb3545649deb3942edc32886eab8cb6385ce77ae15e2b5

  • SSDEEP

    24576:o7x4MROxnFE3bO3errcI0AilFEvxHPJooK:oyMiuoerrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

LeonTap

C2

192.168.0.105:6969

Mutex

42367967463b479388163871ade6a80d

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\LeonTap2-3-1-4\LeonTap2-3-1.exe

  • reconnect_delay

    10000

  • registry_keyname

    LeonTap

  • taskscheduler_taskname

    LeonTap

  • watchdog_path

    AppData\LeonTap2-3.1.4.exe

Signatures

  • Orcus

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

  • Orcus main payload 5 IoCs
  • Orcurs Rat Executable 8 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • 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 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LeonTap2-3-1.exe
    "C:\Users\Admin\AppData\Local\Temp\LeonTap2-3-1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:112
    • C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe
      "C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Users\Admin\AppData\Roaming\LeonTap2-3.1.4.exe
        "C:\Users\Admin\AppData\Roaming\LeonTap2-3.1.4.exe" /launchSelfAndExit "C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe" 1156 /protectFile
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:796
        • C:\Users\Admin\AppData\Roaming\LeonTap2-3.1.4.exe
          "C:\Users\Admin\AppData\Roaming\LeonTap2-3.1.4.exe" /watchProcess "C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe" 1156 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1688
      • C:\Windows\SysWOW64\WindowsInput.exe
        "C:\Windows\SysWOW64\WindowsInput.exe" --uninstall
        3⤵
        • Executes dropped EXE
        PID:2016
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\{acb7c3c5-0ce0-4ebe-8795-d7a979cabed1}.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:840
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1720
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo j "
          4⤵
            PID:1500
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" del "C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe""
            4⤵
              PID:464
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo j "
              4⤵
                PID:924
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" del C:\Users\Admin\AppData\Local\Temp\{acb7c3c5-0ce0-4ebe-8795-d7a979cabed1}.bat"
                4⤵
                  PID:944
          • C:\Windows\SysWOW64\WindowsInput.exe
            "C:\Windows\SysWOW64\WindowsInput.exe"
            1⤵
            • Executes dropped EXE
            PID:2008
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {6C5A4C3F-BDC4-4503-8064-5D4F4409AC13} S-1-5-21-2647223082-2067913677-935928954-1000:BPOQNXYB\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1692
            • C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe
              "C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe"
              2⤵
              • Executes dropped EXE
              PID:1540

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe

            Filesize

            935KB

            MD5

            5791584fc3bfb6898050e73eb2bf984a

            SHA1

            4061fb087856ce6006f33d18b3cabd5cac27751b

            SHA256

            eac3763edc051d25bf09155c08bc5654e4792aae33776d1fab431c32f391bf8f

            SHA512

            db7e92ec96299ec33b7af24420aab44f4ab136a9a273705f4fc7e3b4276214bb452a34d64318f29a03fb3545649deb3942edc32886eab8cb6385ce77ae15e2b5

          • C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe

            Filesize

            935KB

            MD5

            5791584fc3bfb6898050e73eb2bf984a

            SHA1

            4061fb087856ce6006f33d18b3cabd5cac27751b

            SHA256

            eac3763edc051d25bf09155c08bc5654e4792aae33776d1fab431c32f391bf8f

            SHA512

            db7e92ec96299ec33b7af24420aab44f4ab136a9a273705f4fc7e3b4276214bb452a34d64318f29a03fb3545649deb3942edc32886eab8cb6385ce77ae15e2b5

          • C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe

            Filesize

            935KB

            MD5

            5791584fc3bfb6898050e73eb2bf984a

            SHA1

            4061fb087856ce6006f33d18b3cabd5cac27751b

            SHA256

            eac3763edc051d25bf09155c08bc5654e4792aae33776d1fab431c32f391bf8f

            SHA512

            db7e92ec96299ec33b7af24420aab44f4ab136a9a273705f4fc7e3b4276214bb452a34d64318f29a03fb3545649deb3942edc32886eab8cb6385ce77ae15e2b5

          • C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe

            Filesize

            935KB

            MD5

            5791584fc3bfb6898050e73eb2bf984a

            SHA1

            4061fb087856ce6006f33d18b3cabd5cac27751b

            SHA256

            eac3763edc051d25bf09155c08bc5654e4792aae33776d1fab431c32f391bf8f

            SHA512

            db7e92ec96299ec33b7af24420aab44f4ab136a9a273705f4fc7e3b4276214bb452a34d64318f29a03fb3545649deb3942edc32886eab8cb6385ce77ae15e2b5

          • C:\Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe.config

            Filesize

            357B

            MD5

            a2b76cea3a59fa9af5ea21ff68139c98

            SHA1

            35d76475e6a54c168f536e30206578babff58274

            SHA256

            f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

            SHA512

            b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

          • C:\Users\Admin\AppData\Local\Temp\{acb7c3c5-0ce0-4ebe-8795-d7a979cabed1}.bat

            Filesize

            193B

            MD5

            305190402b56afb8d949cc7de56e9b7d

            SHA1

            6dfe0fd4d165dc14577fe9d5e457423c555eac53

            SHA256

            13e9dfc8aeac38c6efee519193ec81e758db3ec5d3e9d37485a7f5319ab178e3

            SHA512

            30fc96ee0ee1ab56c724e55a252fe72fbd8eaa16610546683d645ff97651efe185feeb8a084ec197d9a56ffe65d20c573522af82b199305b4797eecd1b4f26a2

          • C:\Users\Admin\AppData\Local\Temp\{acb7c3c5-0ce0-4ebe-8795-d7a979cabed1}.bat

            Filesize

            193B

            MD5

            305190402b56afb8d949cc7de56e9b7d

            SHA1

            6dfe0fd4d165dc14577fe9d5e457423c555eac53

            SHA256

            13e9dfc8aeac38c6efee519193ec81e758db3ec5d3e9d37485a7f5319ab178e3

            SHA512

            30fc96ee0ee1ab56c724e55a252fe72fbd8eaa16610546683d645ff97651efe185feeb8a084ec197d9a56ffe65d20c573522af82b199305b4797eecd1b4f26a2

          • C:\Users\Admin\AppData\Roaming\LeonTap2-3-1\err_42367967463b479388163871ade6a80d.dat

            Filesize

            1KB

            MD5

            04d42eefa7b3b5f0f56d1d2f35c123a3

            SHA1

            51ee7c741dd04e18d60a1199520a664da7f8a3ad

            SHA256

            cbe3276dcbd0cf1bee2265306467d196d54dfad3d9ae17632d694420517ec003

            SHA512

            4561ee9a1af3690293e59a4dde2b8b38450c3ce89816f274684bfeae67a48bd73c0345e6a73547f2fcacb8737a980fd5a77b475eeccbf643e3c60f8160175a7c

          • C:\Users\Admin\AppData\Roaming\LeonTap2-3.1.4.exe

            Filesize

            9KB

            MD5

            913967b216326e36a08010fb70f9dba3

            SHA1

            7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

            SHA256

            8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

            SHA512

            c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

          • C:\Users\Admin\AppData\Roaming\LeonTap2-3.1.4.exe

            Filesize

            9KB

            MD5

            913967b216326e36a08010fb70f9dba3

            SHA1

            7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

            SHA256

            8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

            SHA512

            c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

          • C:\Users\Admin\AppData\Roaming\LeonTap2-3.1.4.exe

            Filesize

            9KB

            MD5

            913967b216326e36a08010fb70f9dba3

            SHA1

            7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

            SHA256

            8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

            SHA512

            c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

          • C:\Users\Admin\AppData\Roaming\LeonTap2-3.1.4.exe.config

            Filesize

            357B

            MD5

            a2b76cea3a59fa9af5ea21ff68139c98

            SHA1

            35d76475e6a54c168f536e30206578babff58274

            SHA256

            f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

            SHA512

            b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

          • C:\Windows\SysWOW64\WindowsInput.InstallState

            Filesize

            7KB

            MD5

            362ce475f5d1e84641bad999c16727a0

            SHA1

            6b613c73acb58d259c6379bd820cca6f785cc812

            SHA256

            1f78f1056761c6ebd8965ed2c06295bafa704b253aff56c492b93151ab642899

            SHA512

            7630e1629cf4abecd9d3ddea58227b232d5c775cb480967762a6a6466be872e1d57123b08a6179fe1cfbc09403117d0f81bc13724f259a1d25c1325f1eac645b

          • 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

          • \Program Files (x86)\LeonTap2-3-1-4\LeonTap2-3-1.exe

            Filesize

            935KB

            MD5

            5791584fc3bfb6898050e73eb2bf984a

            SHA1

            4061fb087856ce6006f33d18b3cabd5cac27751b

            SHA256

            eac3763edc051d25bf09155c08bc5654e4792aae33776d1fab431c32f391bf8f

            SHA512

            db7e92ec96299ec33b7af24420aab44f4ab136a9a273705f4fc7e3b4276214bb452a34d64318f29a03fb3545649deb3942edc32886eab8cb6385ce77ae15e2b5

          • \Users\Admin\AppData\Roaming\LeonTap2-3.1.4.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/112-70-0x00000000010A0000-0x00000000010AC000-memory.dmp

            Filesize

            48KB

          • memory/112-72-0x000000001ABF0000-0x000000001AC70000-memory.dmp

            Filesize

            512KB

          • memory/796-104-0x0000000001230000-0x0000000001238000-memory.dmp

            Filesize

            32KB

          • memory/1156-94-0x0000000004E10000-0x0000000004E20000-memory.dmp

            Filesize

            64KB

          • memory/1156-107-0x0000000001210000-0x0000000001250000-memory.dmp

            Filesize

            256KB

          • memory/1156-93-0x0000000004CB0000-0x0000000004CC8000-memory.dmp

            Filesize

            96KB

          • memory/1156-87-0x0000000001210000-0x0000000001250000-memory.dmp

            Filesize

            256KB

          • memory/1156-86-0x00000000013C0000-0x00000000014B0000-memory.dmp

            Filesize

            960KB

          • memory/1156-92-0x00000000011C0000-0x000000000120E000-memory.dmp

            Filesize

            312KB

          • memory/1156-111-0x0000000001210000-0x0000000001250000-memory.dmp

            Filesize

            256KB

          • memory/1156-109-0x0000000001210000-0x0000000001250000-memory.dmp

            Filesize

            256KB

          • memory/1156-89-0x00000000004F0000-0x0000000000502000-memory.dmp

            Filesize

            72KB

          • memory/1156-108-0x0000000001210000-0x0000000001250000-memory.dmp

            Filesize

            256KB

          • memory/2008-75-0x00000000000B0000-0x00000000000BC000-memory.dmp

            Filesize

            48KB

          • memory/2008-110-0x0000000019560000-0x00000000195E0000-memory.dmp

            Filesize

            512KB

          • memory/2008-88-0x0000000019560000-0x00000000195E0000-memory.dmp

            Filesize

            512KB

          • memory/2032-59-0x00000000004A0000-0x00000000004A8000-memory.dmp

            Filesize

            32KB

          • memory/2032-60-0x00000000004B0000-0x00000000004B8000-memory.dmp

            Filesize

            32KB

          • memory/2032-54-0x0000000001380000-0x0000000001470000-memory.dmp

            Filesize

            960KB

          • memory/2032-58-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2032-57-0x0000000000F20000-0x0000000000F60000-memory.dmp

            Filesize

            256KB

          • memory/2032-56-0x0000000000A10000-0x0000000000A6C000-memory.dmp

            Filesize

            368KB

          • memory/2032-55-0x0000000000280000-0x000000000028E000-memory.dmp

            Filesize

            56KB