Analysis

  • max time kernel
    115s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 02:55

General

  • Target

    6a304800218605bbf0376a4937917dd0N.exe

  • Size

    912KB

  • MD5

    6a304800218605bbf0376a4937917dd0

  • SHA1

    7e1915f93fcc6d68c3f149f41cf1f2920c000d0e

  • SHA256

    f0ceff7c867f684a2dfd4cdde69d70b7706cf75572564ca73ccff961067e7e78

  • SHA512

    23d165c56750543a7e4fbf1b6b7c8beed52e368d19b10f09c596f42c582e8887ac44cec2e46228b910ce50c72996106f65076d093a877138eaaba327f693a85a

  • SSDEEP

    24576:5JNZ4MROxnFIFPurerrcI0AilFEvxHPVoow:5yMi/errcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

caquita

C2

192.168.218.83:10134

Mutex

b5e6880088804f548175e49c6b0d8710

Attributes
  • autostart_method

    Disable

  • 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.

  • Orcurs Rat Executable 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a304800218605bbf0376a4937917dd0N.exe
    "C:\Users\Admin\AppData\Local\Temp\6a304800218605bbf0376a4937917dd0N.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2828
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • 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/2016-40-0x00007FFE4E760000-0x00007FFE4F221000-memory.dmp

    Filesize

    10.8MB

  • memory/2016-33-0x000000001A530000-0x000000001A63A000-memory.dmp

    Filesize

    1.0MB

  • memory/2016-32-0x00007FFE4E760000-0x00007FFE4F221000-memory.dmp

    Filesize

    10.8MB

  • memory/2412-6-0x0000000005780000-0x0000000005812000-memory.dmp

    Filesize

    584KB

  • memory/2412-1-0x0000000000B00000-0x0000000000BEA000-memory.dmp

    Filesize

    936KB

  • memory/2412-7-0x0000000005750000-0x0000000005762000-memory.dmp

    Filesize

    72KB

  • memory/2412-8-0x0000000005C50000-0x0000000005C72000-memory.dmp

    Filesize

    136KB

  • memory/2412-5-0x0000000005D30000-0x00000000062D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2412-3-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2412-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/2412-35-0x0000000006820000-0x00000000069E2000-memory.dmp

    Filesize

    1.8MB

  • memory/2412-39-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2412-38-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/2412-37-0x00000000067A0000-0x00000000067AA000-memory.dmp

    Filesize

    40KB

  • memory/2412-36-0x0000000006660000-0x0000000006670000-memory.dmp

    Filesize

    64KB

  • memory/2412-4-0x0000000005580000-0x00000000055DC000-memory.dmp

    Filesize

    368KB

  • memory/2412-2-0x0000000002F80000-0x0000000002F8E000-memory.dmp

    Filesize

    56KB

  • memory/2412-34-0x00000000064D0000-0x00000000064E8000-memory.dmp

    Filesize

    96KB

  • memory/2828-23-0x00007FFE4E763000-0x00007FFE4E765000-memory.dmp

    Filesize

    8KB

  • memory/2828-30-0x00007FFE4E760000-0x00007FFE4F221000-memory.dmp

    Filesize

    10.8MB

  • memory/2828-29-0x00007FFE4E760000-0x00007FFE4F221000-memory.dmp

    Filesize

    10.8MB

  • memory/2828-25-0x000000001AF30000-0x000000001AF6C000-memory.dmp

    Filesize

    240KB

  • memory/2828-24-0x00000000023C0000-0x00000000023D2000-memory.dmp

    Filesize

    72KB

  • memory/2828-22-0x0000000000330000-0x000000000033C000-memory.dmp

    Filesize

    48KB