Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2024, 01:43

General

  • Target

    86c9768740b98bcb77204cf7457636abaeb90ae04395b12f0a2ac955bdf0eaf0.exe

  • Size

    917KB

  • MD5

    1b5125205daeb3d17c29d81f5e525e53

  • SHA1

    d6f373b925f7b1a5bbd1950b0bd4c926bf3a9c41

  • SHA256

    86c9768740b98bcb77204cf7457636abaeb90ae04395b12f0a2ac955bdf0eaf0

  • SHA512

    11647e18982e379e39e38203f29efa064ee8435b5eff0005d1576b0077fbcb7f95afa52166b021a8ac2f4adb9dd132f9ef060c3cc98d3797a6dd638d62d2f490

  • SSDEEP

    24576:5U04MROxnFH3XRM4VrrcI0AilFEvxHPRYooX:5mMihXlVrrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

Retard

C2

detoxify-21656.portmap.host:35923

Mutex

5d87dc1d65f54aca967b62380c79adea

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    true

  • install_path

    C:\Program Files (x86)\Microsoft\svchost.exe

  • reconnect_delay

    10000

  • registry_keyname

    System.exe

  • taskscheduler_taskname

    conhost.exe

  • 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 3 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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).

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86c9768740b98bcb77204cf7457636abaeb90ae04395b12f0a2ac955bdf0eaf0.exe
    "C:\Users\Admin\AppData\Local\Temp\86c9768740b98bcb77204cf7457636abaeb90ae04395b12f0a2ac955bdf0eaf0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2644
    • C:\Program Files (x86)\Microsoft\svchost.exe
      "C:\Program Files (x86)\Microsoft\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Program Files (x86)\Microsoft\svchost.exe" 2996 /protectFile
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1480
        • C:\Users\Admin\AppData\Roaming\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Program Files (x86)\Microsoft\svchost.exe" 2996 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1748
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2680
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5C639B90-E4F3-4A35-9F53-E608B7B9DBE6} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Program Files (x86)\Microsoft\svchost.exe
      "C:\Program Files (x86)\Microsoft\svchost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Windows\SysWOW64\WindowsInput.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • \Program Files (x86)\Microsoft\svchost.exe

    Filesize

    917KB

    MD5

    1b5125205daeb3d17c29d81f5e525e53

    SHA1

    d6f373b925f7b1a5bbd1950b0bd4c926bf3a9c41

    SHA256

    86c9768740b98bcb77204cf7457636abaeb90ae04395b12f0a2ac955bdf0eaf0

    SHA512

    11647e18982e379e39e38203f29efa064ee8435b5eff0005d1576b0077fbcb7f95afa52166b021a8ac2f4adb9dd132f9ef060c3cc98d3797a6dd638d62d2f490

  • \Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • memory/1480-49-0x0000000000E80000-0x0000000000E88000-memory.dmp

    Filesize

    32KB

  • memory/2280-3-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2280-6-0x0000000000360000-0x0000000000368000-memory.dmp

    Filesize

    32KB

  • memory/2280-5-0x0000000000340000-0x0000000000352000-memory.dmp

    Filesize

    72KB

  • memory/2280-4-0x0000000000670000-0x00000000006CC000-memory.dmp

    Filesize

    368KB

  • memory/2280-2-0x00000000002B0000-0x00000000002BE000-memory.dmp

    Filesize

    56KB

  • memory/2280-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

    Filesize

    4KB

  • memory/2280-1-0x0000000000160000-0x000000000024C000-memory.dmp

    Filesize

    944KB

  • memory/2280-35-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-16-0x0000000000EA0000-0x0000000000EAC000-memory.dmp

    Filesize

    48KB

  • memory/2644-20-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

    Filesize

    9.9MB

  • memory/2644-17-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

    Filesize

    9.9MB

  • memory/2644-14-0x000007FEF5683000-0x000007FEF5684000-memory.dmp

    Filesize

    4KB

  • memory/2680-22-0x0000000000170000-0x000000000017C000-memory.dmp

    Filesize

    48KB

  • memory/2996-34-0x0000000001170000-0x000000000125C000-memory.dmp

    Filesize

    944KB

  • memory/2996-36-0x0000000000870000-0x00000000008BE000-memory.dmp

    Filesize

    312KB

  • memory/2996-37-0x00000000010F0000-0x0000000001108000-memory.dmp

    Filesize

    96KB

  • memory/2996-38-0x0000000001110000-0x0000000001120000-memory.dmp

    Filesize

    64KB