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Analysis

  • max time kernel
    151s
  • max time network
    148s
  • 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, 01:49

General

  • Target

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5.exe

  • Size

    921KB

  • MD5

    6300a61dfb2ca101fecf2e3737c43194

  • SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

  • SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

  • SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • SSDEEP

    24576:mkL94MROxnF43A5rrcI0AilFEvxHP3zooV:lWMiGerrcI0AilFEvxHP3

Malware Config

Extracted

Family

orcus

C2

s1.putinso.site:2004

Mutex

2735597b534846cb8b384bdb5863f82c

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\Regedit\svhost.exe

  • reconnect_delay

    10000

  • registry_keyname

    svhost

  • taskscheduler_taskname

    svhost

  • watchdog_path

    AppData\regedit.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).

  • Runs regedit.exe 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5.exe
    "C:\Users\Admin\AppData\Local\Temp\e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:3860
    • C:\Program Files (x86)\Regedit\svhost.exe
      "C:\Program Files (x86)\Regedit\svhost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Users\Admin\AppData\Roaming\regedit.exe
        "C:\Users\Admin\AppData\Roaming\regedit.exe" /launchSelfAndExit "C:\Program Files (x86)\Regedit\svhost.exe" 2612 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Runs regedit.exe
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4984
        • C:\Users\Admin\AppData\Roaming\regedit.exe
          "C:\Users\Admin\AppData\Roaming\regedit.exe" /watchProcess "C:\Program Files (x86)\Regedit\svhost.exe" 2612 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Runs regedit.exe
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4548
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:5004
  • C:\Program Files (x86)\Regedit\svhost.exe
    "C:\Program Files (x86)\Regedit\svhost.exe"
    1⤵
    • Executes dropped EXE
    PID:4524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • C:\Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • C:\Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • C:\Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\regedit.exe.log

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Users\Admin\AppData\Roaming\svhost\err_2735597b534846cb8b384bdb5863f82c.dat

    Filesize

    1KB

    MD5

    2c75199b21c4ddf0684aec13bceb1191

    SHA1

    92c63a2d5565fea6063bff5d9de42530eb618326

    SHA256

    c692e57f2ed7284bf25b5507813c8b6dcf51c1a93fc5dfcfa81a7ddf732a7054

    SHA512

    966d7ffb03803c23fb884b19e89a20f0f67f7e57654a605dc262360c10b04164374e0460b1914442a3451b984d0b671bfd96a289ddd34f5d7d685730a52e21e9

  • 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/1708-14-0x0000000006830000-0x000000000693A000-memory.dmp

    Filesize

    1.0MB

  • memory/1708-58-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/1708-0-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/1708-4-0x00000000058F0000-0x000000000594C000-memory.dmp

    Filesize

    368KB

  • memory/1708-5-0x0000000005F00000-0x00000000064A4000-memory.dmp

    Filesize

    5.6MB

  • memory/1708-6-0x00000000059F0000-0x0000000005A82000-memory.dmp

    Filesize

    584KB

  • memory/1708-16-0x00000000071F0000-0x0000000007212000-memory.dmp

    Filesize

    136KB

  • memory/1708-2-0x0000000005830000-0x0000000005840000-memory.dmp

    Filesize

    64KB

  • memory/1708-7-0x00000000059D0000-0x00000000059E2000-memory.dmp

    Filesize

    72KB

  • memory/1708-13-0x00000000066B0000-0x00000000066FC000-memory.dmp

    Filesize

    304KB

  • memory/1708-1-0x0000000000DF0000-0x0000000000EDC000-memory.dmp

    Filesize

    944KB

  • memory/1708-8-0x00000000059E0000-0x00000000059E8000-memory.dmp

    Filesize

    32KB

  • memory/1708-3-0x00000000032D0000-0x00000000032DE000-memory.dmp

    Filesize

    56KB

  • memory/1708-12-0x0000000006670000-0x00000000066AC000-memory.dmp

    Filesize

    240KB

  • memory/1708-11-0x0000000006610000-0x0000000006622000-memory.dmp

    Filesize

    72KB

  • memory/1708-10-0x0000000006BD0000-0x00000000071E8000-memory.dmp

    Filesize

    6.1MB

  • memory/1708-9-0x0000000005E90000-0x0000000005EF6000-memory.dmp

    Filesize

    408KB

  • memory/2612-71-0x0000000007520000-0x000000000752A000-memory.dmp

    Filesize

    40KB

  • memory/2612-68-0x0000000006FD0000-0x0000000006FE0000-memory.dmp

    Filesize

    64KB

  • memory/2612-60-0x0000000005290000-0x00000000052A0000-memory.dmp

    Filesize

    64KB

  • memory/2612-97-0x0000000005290000-0x00000000052A0000-memory.dmp

    Filesize

    64KB

  • memory/2612-63-0x00000000065C0000-0x000000000660E000-memory.dmp

    Filesize

    312KB

  • memory/2612-64-0x0000000006C50000-0x0000000006C68000-memory.dmp

    Filesize

    96KB

  • memory/2612-59-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2612-65-0x0000000006E10000-0x0000000006E28000-memory.dmp

    Filesize

    96KB

  • memory/2612-95-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2612-69-0x00000000071B0000-0x0000000007372000-memory.dmp

    Filesize

    1.8MB

  • memory/3860-38-0x00007FFF78D50000-0x00007FFF79811000-memory.dmp

    Filesize

    10.8MB

  • memory/3860-33-0x0000000000D50000-0x0000000000D62000-memory.dmp

    Filesize

    72KB

  • memory/3860-34-0x00000000026B0000-0x00000000026EC000-memory.dmp

    Filesize

    240KB

  • memory/3860-32-0x000000001B210000-0x000000001B220000-memory.dmp

    Filesize

    64KB

  • memory/3860-31-0x00007FFF78D50000-0x00007FFF79811000-memory.dmp

    Filesize

    10.8MB

  • memory/3860-30-0x0000000000570000-0x000000000057C000-memory.dmp

    Filesize

    48KB

  • memory/4524-70-0x0000000004C30000-0x0000000004C40000-memory.dmp

    Filesize

    64KB

  • memory/4524-93-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/4524-67-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/4548-91-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/4548-98-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-85-0x0000000000920000-0x0000000000928000-memory.dmp

    Filesize

    32KB

  • memory/4984-90-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-86-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-94-0x00007FFF78D50000-0x00007FFF79811000-memory.dmp

    Filesize

    10.8MB

  • memory/5004-42-0x000000001AB30000-0x000000001AC3A000-memory.dmp

    Filesize

    1.0MB

  • memory/5004-96-0x0000000001B10000-0x0000000001B20000-memory.dmp

    Filesize

    64KB

  • memory/5004-41-0x0000000001B10000-0x0000000001B20000-memory.dmp

    Filesize

    64KB

  • memory/5004-40-0x00007FFF78D50000-0x00007FFF79811000-memory.dmp

    Filesize

    10.8MB