Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-01-2025 01:16

General

  • Target

    cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe

  • Size

    912KB

  • MD5

    b3b92d61c47974e2b4534a6b6dadc3fd

  • SHA1

    51543803f6c78b5369d719b604419acced0bf7cb

  • SHA256

    cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1

  • SHA512

    6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b

  • SSDEEP

    12288:R0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCObCOYPOlJVzKepke+w7dG1lFlz:YKa4MROxnFLHbrrcI0AilFEvxHPcooW

Malware Config

Extracted

Family

orcus

Botnet

lois injkector

C2

92.35.5.56:20001

Mutex

1052ddefbec0498084c332483d4c94fd

Attributes
  • autostart_method

    Registry

  • 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.

  • Orcus family
  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 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 3 IoCs

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

  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
    "C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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:1912
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2500
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2836
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2864
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9F9C506E-4D19-4CD0-AB6B-D4898A87FCE6} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Orcus\Orcus.exe

    Filesize

    912KB

    MD5

    b3b92d61c47974e2b4534a6b6dadc3fd

    SHA1

    51543803f6c78b5369d719b604419acced0bf7cb

    SHA256

    cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1

    SHA512

    6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b

  • 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/1912-5-0x0000000000390000-0x00000000003A2000-memory.dmp

    Filesize

    72KB

  • memory/1912-4-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB

  • memory/1912-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

    Filesize

    4KB

  • memory/1912-6-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1912-3-0x0000000000D90000-0x0000000000DEC000-memory.dmp

    Filesize

    368KB

  • memory/1912-2-0x0000000000330000-0x000000000033E000-memory.dmp

    Filesize

    56KB

  • memory/1912-1-0x0000000000E00000-0x0000000000EEA000-memory.dmp

    Filesize

    936KB

  • memory/1912-31-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-20-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

    Filesize

    9.9MB

  • memory/2500-17-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

    Filesize

    9.9MB

  • memory/2500-16-0x0000000000860000-0x000000000086C000-memory.dmp

    Filesize

    48KB

  • memory/2500-14-0x000007FEF5E73000-0x000007FEF5E74000-memory.dmp

    Filesize

    4KB

  • memory/2836-34-0x0000000001140000-0x000000000122A000-memory.dmp

    Filesize

    936KB

  • memory/2836-35-0x0000000000550000-0x0000000000562000-memory.dmp

    Filesize

    72KB

  • memory/2836-36-0x0000000000DB0000-0x0000000000DFE000-memory.dmp

    Filesize

    312KB

  • memory/2836-37-0x0000000000E00000-0x0000000000E18000-memory.dmp

    Filesize

    96KB

  • memory/2836-38-0x00000000010F0000-0x0000000001100000-memory.dmp

    Filesize

    64KB

  • memory/2864-22-0x00000000002C0000-0x00000000002CC000-memory.dmp

    Filesize

    48KB