Analysis

  • max time kernel
    158s
  • max time network
    159s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250113-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    25-01-2025 21:31

General

  • Target

    FATALITY CS2.exe

  • Size

    924KB

  • MD5

    c81a86cb381a5ff2b05dc3d748cab736

  • SHA1

    dd3494d263c772c428e7db24b17c6b5e9380c418

  • SHA256

    3d3f9ad0edee3dc1cd897f9f4892d4e02ff15fa7d284d02079cf52ece0dbf315

  • SHA512

    60b6ea3f5312a6535c5eb1edd1b9e9363cdc1f7b99d66ca91d4af7dbc2b0e77be73eacf649e162e80b4ab0d3f0d7d1fab6f09eb3a59f6850099b3eeed10cc6b9

  • SSDEEP

    24576:uqSM4MROxnFE3zO3irrcI0AilFEvxHPRooo:7AMiugirrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

FATALITY CS2

C2

192.168.0.179:5252

Mutex

9b5c97cbe93d4d7ebc16e37a45173663

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    FATALITY CS2

  • taskscheduler_taskname

    FATALITY CS2

  • 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 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
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FATALITY CS2.exe
    "C:\Users\Admin\AppData\Local\Temp\FATALITY CS2.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2772
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4340
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5004
        • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
          "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4340
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1424
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:1336
  • C:\Program Files (x86)\Orcus\Orcus.exe
    "C:\Program Files (x86)\Orcus\Orcus.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2700
  • C:\Windows\system32\mspaint.exe
    "C:\Windows\system32\mspaint.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4492
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
      PID:3520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      924KB

      MD5

      c81a86cb381a5ff2b05dc3d748cab736

      SHA1

      dd3494d263c772c428e7db24b17c6b5e9380c418

      SHA256

      3d3f9ad0edee3dc1cd897f9f4892d4e02ff15fa7d284d02079cf52ece0dbf315

      SHA512

      60b6ea3f5312a6535c5eb1edd1b9e9363cdc1f7b99d66ca91d4af7dbc2b0e77be73eacf649e162e80b4ab0d3f0d7d1fab6f09eb3a59f6850099b3eeed10cc6b9

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

      Filesize

      425B

      MD5

      8c7889bde41724ce3db7c67e730677f6

      SHA1

      485891cc9120cb2203a2483754dbd5e6ea24f28e

      SHA256

      83c70bfcb1b41892c9c50cabe9bc2d96b2f7420b28545afabd32f682ac62d0ad

      SHA512

      b7c3aab27fc924dcaef78987b492931e164b9e30b813c532fe87e1d40001ed1861c4b5ddbdd85cd2278681a22e32eee816877f4f63cecaa9972976d87e38f5cc

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

      Filesize

      9KB

      MD5

      913967b216326e36a08010fb70f9dba3

      SHA1

      7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

      SHA256

      8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

      SHA512

      c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

    • C:\Users\Admin\AppData\Roaming\Orcus\err_9b5c97cbe93d4d7ebc16e37a45173663.dat

      Filesize

      1KB

      MD5

      a851535b49c6b41bdcc8853c4b4ff0b8

      SHA1

      a0aa83fe68f07148bca7ccb9be14beb34aca90d3

      SHA256

      c789239baa86739cd67dd4c14de9c15961c8bde3a4823e595cfd50a6927f13cb

      SHA512

      7abbe4d91896f3ddc530655341cde0b9824b6b4881f5c89b9df9bbb6b2fd5dc20a7906a3ccadb5507278e2679a4340a5eeb8cbae95cc1d146627d917b6ce33eb

    • 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/1248-10-0x0000000005F30000-0x0000000005F96000-memory.dmp

      Filesize

      408KB

    • memory/1248-6-0x0000000005380000-0x0000000005412000-memory.dmp

      Filesize

      584KB

    • memory/1248-8-0x0000000005370000-0x0000000005378000-memory.dmp

      Filesize

      32KB

    • memory/1248-9-0x00000000057A0000-0x00000000057A8000-memory.dmp

      Filesize

      32KB

    • memory/1248-0-0x000000007540E000-0x000000007540F000-memory.dmp

      Filesize

      4KB

    • memory/1248-11-0x00000000065C0000-0x0000000006BD8000-memory.dmp

      Filesize

      6.1MB

    • memory/1248-12-0x0000000005FC0000-0x0000000005FD2000-memory.dmp

      Filesize

      72KB

    • memory/1248-13-0x0000000006020000-0x000000000605C000-memory.dmp

      Filesize

      240KB

    • memory/1248-14-0x0000000006060000-0x00000000060AC000-memory.dmp

      Filesize

      304KB

    • memory/1248-15-0x00000000061D0000-0x00000000062DA000-memory.dmp

      Filesize

      1.0MB

    • memory/1248-17-0x0000000006560000-0x0000000006582000-memory.dmp

      Filesize

      136KB

    • memory/1248-4-0x00000000050F0000-0x000000000514C000-memory.dmp

      Filesize

      368KB

    • memory/1248-5-0x0000000005880000-0x0000000005E26000-memory.dmp

      Filesize

      5.6MB

    • memory/1248-50-0x0000000075400000-0x0000000075BB1000-memory.dmp

      Filesize

      7.7MB

    • memory/1248-1-0x0000000000650000-0x000000000073E000-memory.dmp

      Filesize

      952KB

    • memory/1248-2-0x0000000005050000-0x000000000505E000-memory.dmp

      Filesize

      56KB

    • memory/1248-3-0x0000000075400000-0x0000000075BB1000-memory.dmp

      Filesize

      7.7MB

    • memory/1248-7-0x0000000005360000-0x0000000005372000-memory.dmp

      Filesize

      72KB

    • memory/1336-82-0x00007FFE9C3A0000-0x00007FFE9CE62000-memory.dmp

      Filesize

      10.8MB

    • memory/1336-44-0x00007FFE9C3A0000-0x00007FFE9CE62000-memory.dmp

      Filesize

      10.8MB

    • memory/1336-45-0x000000001A970000-0x000000001AA7A000-memory.dmp

      Filesize

      1.0MB

    • memory/2772-38-0x00007FFE9C3A0000-0x00007FFE9CE62000-memory.dmp

      Filesize

      10.8MB

    • memory/2772-36-0x0000000002740000-0x0000000002752000-memory.dmp

      Filesize

      72KB

    • memory/2772-35-0x00000000006C0000-0x00000000006CC000-memory.dmp

      Filesize

      48KB

    • memory/2772-37-0x000000001B2E0000-0x000000001B31C000-memory.dmp

      Filesize

      240KB

    • memory/2772-42-0x00007FFE9C3A0000-0x00007FFE9CE62000-memory.dmp

      Filesize

      10.8MB

    • memory/2772-34-0x00007FFE9C3A3000-0x00007FFE9C3A5000-memory.dmp

      Filesize

      8KB

    • memory/4340-54-0x00000000060B0000-0x00000000060FE000-memory.dmp

      Filesize

      312KB

    • memory/4340-58-0x0000000006990000-0x00000000069A0000-memory.dmp

      Filesize

      64KB

    • memory/4340-59-0x0000000006CC0000-0x0000000006E82000-memory.dmp

      Filesize

      1.8MB

    • memory/4340-60-0x0000000007920000-0x000000000792A000-memory.dmp

      Filesize

      40KB

    • memory/4340-56-0x0000000006920000-0x0000000006938000-memory.dmp

      Filesize

      96KB

    • memory/4340-55-0x0000000006740000-0x0000000006758000-memory.dmp

      Filesize

      96KB

    • memory/4340-51-0x0000000004D10000-0x0000000004D22000-memory.dmp

      Filesize

      72KB

    • memory/5004-77-0x0000000000E80000-0x0000000000E88000-memory.dmp

      Filesize

      32KB