Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 21:36

General

  • Target

    FATALITYCS2.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 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FATALITYCS2.exe
    "C:\Users\Admin\AppData\Local\Temp\FATALITYCS2.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:2440
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:1896
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4368
      • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4368
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
          "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4368
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4440
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:3324
  • 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:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

  • 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

    a5ef8a80062e549a28896692ebc327d9

    SHA1

    6e3d3f341303fa7239bdb754c1c2bdfc34ce722b

    SHA256

    a2ee7192dfe1cece410786317ab80806516ade8095dac201711409e6c333c43b

    SHA512

    59d690fac47dbca7f5260284efde61ec74fec5442d9846859725760832d547352fb9d4ee1080a58cd3a2cfa7c00e3594a5d1fc6d523b475cfdaa582388bb9134

  • 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/1072-80-0x00000000005A0000-0x00000000005A8000-memory.dmp

    Filesize

    32KB

  • memory/1896-39-0x00007FFD9A550000-0x00007FFD9B011000-memory.dmp

    Filesize

    10.8MB

  • memory/1896-35-0x00007FFD9A550000-0x00007FFD9B011000-memory.dmp

    Filesize

    10.8MB

  • memory/1896-33-0x0000000002CF0000-0x0000000002D02000-memory.dmp

    Filesize

    72KB

  • memory/1896-32-0x0000000000C50000-0x0000000000C5C000-memory.dmp

    Filesize

    48KB

  • memory/1896-31-0x00007FFD9A553000-0x00007FFD9A555000-memory.dmp

    Filesize

    8KB

  • memory/1896-34-0x0000000002D80000-0x0000000002DBC000-memory.dmp

    Filesize

    240KB

  • memory/2440-10-0x00000000062C0000-0x0000000006326000-memory.dmp

    Filesize

    408KB

  • memory/2440-8-0x0000000005740000-0x0000000005748000-memory.dmp

    Filesize

    32KB

  • memory/2440-15-0x00000000065B0000-0x00000000066BA000-memory.dmp

    Filesize

    1.0MB

  • memory/2440-17-0x0000000006F70000-0x0000000006F92000-memory.dmp

    Filesize

    136KB

  • memory/2440-13-0x00000000063F0000-0x000000000642C000-memory.dmp

    Filesize

    240KB

  • memory/2440-12-0x0000000006390000-0x00000000063A2000-memory.dmp

    Filesize

    72KB

  • memory/2440-11-0x0000000006950000-0x0000000006F68000-memory.dmp

    Filesize

    6.1MB

  • memory/2440-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

    Filesize

    4KB

  • memory/2440-9-0x0000000005C80000-0x0000000005C88000-memory.dmp

    Filesize

    32KB

  • memory/2440-3-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-7-0x0000000005730000-0x0000000005742000-memory.dmp

    Filesize

    72KB

  • memory/2440-6-0x0000000005760000-0x00000000057F2000-memory.dmp

    Filesize

    584KB

  • memory/2440-1-0x0000000000B60000-0x0000000000C4E000-memory.dmp

    Filesize

    952KB

  • memory/2440-14-0x0000000006430000-0x000000000647C000-memory.dmp

    Filesize

    304KB

  • memory/2440-5-0x0000000005D10000-0x00000000062B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2440-57-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-4-0x00000000055E0000-0x000000000563C000-memory.dmp

    Filesize

    368KB

  • memory/2440-2-0x0000000002E70000-0x0000000002E7E000-memory.dmp

    Filesize

    56KB

  • memory/3324-42-0x000000001B140000-0x000000001B24A000-memory.dmp

    Filesize

    1.0MB

  • memory/3324-41-0x00007FFD9A550000-0x00007FFD9B011000-memory.dmp

    Filesize

    10.8MB

  • memory/3324-85-0x00007FFD9A550000-0x00007FFD9B011000-memory.dmp

    Filesize

    10.8MB

  • memory/4368-63-0x0000000006550000-0x0000000006568000-memory.dmp

    Filesize

    96KB

  • memory/4368-64-0x00000000068E0000-0x0000000006AA2000-memory.dmp

    Filesize

    1.8MB

  • memory/4368-65-0x0000000006720000-0x0000000006730000-memory.dmp

    Filesize

    64KB

  • memory/4368-66-0x0000000006880000-0x000000000688A000-memory.dmp

    Filesize

    40KB

  • memory/4368-61-0x0000000006380000-0x0000000006398000-memory.dmp

    Filesize

    96KB

  • memory/4368-60-0x0000000005CE0000-0x0000000005D2E000-memory.dmp

    Filesize

    312KB