Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-01-2025 01:02

General

  • Target

    8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe

  • Size

    914KB

  • MD5

    95587f3e29171f8d4b63209ad3c20b5c

  • SHA1

    21ea5d7fb0174a981d1a859f4bde2aeb0d74f955

  • SHA256

    8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3

  • SHA512

    bd7fa338fbc365a78be06355ac13c71bced27b58c12dd7d20a551a650cfae27c4365e3f3001a8b9916831fc7e9b88530203ec7be152d9021509e7091b83be127

  • SSDEEP

    24576:Ram4MROxnFD3ww8XlrrcI0AilFEvxHPSqooP:ROMiJsrrcI0AilFEvxHPS

Malware Config

Extracted

Family

orcus

C2

127.0.0.1:10134

Mutex

e8c5af09f6df4beaa06157932bb3cb4a

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    false

  • install_path

    %appdata%\Win32Data\Temp\098234\svchost.exe

  • reconnect_delay

    10000

  • registry_keyname

    orcs

  • taskscheduler_taskname

    orcs

  • watchdog_path

    AppData\svchost.exe

Signatures

  • Orcus

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

  • Orcus family
  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
    "C:\Users\Admin\AppData\Local\Temp\8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:3496
    • C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4644
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe" 4644 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2368
        • C:\Users\Admin\AppData\Roaming\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe" 4644 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:528
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:1168
  • C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe
    C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

  • C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe

    Filesize

    914KB

    MD5

    95587f3e29171f8d4b63209ad3c20b5c

    SHA1

    21ea5d7fb0174a981d1a859f4bde2aeb0d74f955

    SHA256

    8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3

    SHA512

    bd7fa338fbc365a78be06355ac13c71bced27b58c12dd7d20a551a650cfae27c4365e3f3001a8b9916831fc7e9b88530203ec7be152d9021509e7091b83be127

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • 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/1168-33-0x000000001AE10000-0x000000001AF1A000-memory.dmp

    Filesize

    1.0MB

  • memory/1168-32-0x00007FF85E3C0000-0x00007FF85EE81000-memory.dmp

    Filesize

    10.8MB

  • memory/1168-73-0x00007FF85E3C0000-0x00007FF85EE81000-memory.dmp

    Filesize

    10.8MB

  • memory/2368-69-0x0000000000800000-0x0000000000808000-memory.dmp

    Filesize

    32KB

  • memory/3496-26-0x00007FF85E3C0000-0x00007FF85EE81000-memory.dmp

    Filesize

    10.8MB

  • memory/3496-30-0x00007FF85E3C0000-0x00007FF85EE81000-memory.dmp

    Filesize

    10.8MB

  • memory/3496-22-0x00007FF85E3C3000-0x00007FF85E3C5000-memory.dmp

    Filesize

    8KB

  • memory/3496-23-0x00000000000E0000-0x00000000000EC000-memory.dmp

    Filesize

    48KB

  • memory/3496-24-0x0000000002270000-0x0000000002282000-memory.dmp

    Filesize

    72KB

  • memory/3496-25-0x0000000002400000-0x000000000243C000-memory.dmp

    Filesize

    240KB

  • memory/4604-7-0x0000000005540000-0x0000000005552000-memory.dmp

    Filesize

    72KB

  • memory/4604-4-0x0000000074980000-0x0000000075130000-memory.dmp

    Filesize

    7.7MB

  • memory/4604-0-0x000000007498E000-0x000000007498F000-memory.dmp

    Filesize

    4KB

  • memory/4604-6-0x0000000005560000-0x00000000055F2000-memory.dmp

    Filesize

    584KB

  • memory/4604-5-0x0000000005A20000-0x0000000005FC4000-memory.dmp

    Filesize

    5.6MB

  • memory/4604-49-0x0000000074980000-0x0000000075130000-memory.dmp

    Filesize

    7.7MB

  • memory/4604-1-0x0000000000960000-0x0000000000A4A000-memory.dmp

    Filesize

    936KB

  • memory/4604-8-0x00000000059B0000-0x00000000059D2000-memory.dmp

    Filesize

    136KB

  • memory/4604-2-0x0000000005330000-0x000000000533E000-memory.dmp

    Filesize

    56KB

  • memory/4604-3-0x0000000005410000-0x000000000546C000-memory.dmp

    Filesize

    368KB

  • memory/4644-50-0x0000000006570000-0x00000000065BE000-memory.dmp

    Filesize

    312KB

  • memory/4644-55-0x0000000006BD0000-0x0000000006BDA000-memory.dmp

    Filesize

    40KB

  • memory/4644-54-0x0000000006910000-0x0000000006920000-memory.dmp

    Filesize

    64KB

  • memory/4644-53-0x0000000006740000-0x0000000006758000-memory.dmp

    Filesize

    96KB

  • memory/4644-51-0x0000000005D90000-0x0000000005DA8000-memory.dmp

    Filesize

    96KB