Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 01:14

General

  • Target

    be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe

  • Size

    918KB

  • MD5

    dbf06f8c7aac18054f713d4795f3b48f

  • SHA1

    f6b4d693d2d39b8a3f61311b7c94d381583334c8

  • SHA256

    be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c

  • SHA512

    043b0c84e6616376fd5830a85b03a5188bb1b752f94cdbd1f5b6bf88a4ace2a031a5365f7b45e147e3869945150ebbe1a92009852ba544fec7dca8d52318ea77

  • SSDEEP

    24576:M554MROxnFZ3aIBM4+rrcI0AilFEvxHPGoov:MQMi7ae+rrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

тест

C2

192.168.101.102:37375

Mutex

931740ae9b854115addd9f6dfdf826c4

Attributes
  • autostart_method

    TaskScheduler

  • 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 main payload 1 IoCs
  • Orcurs Rat Executable 3 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe
    "C:\Users\Admin\AppData\Local\Temp\be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.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:288
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2352
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • 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:2616
      • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2616 /protectFile
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
          "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2616 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2520
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:3008
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {AD843D35-947A-4944-B739-D207C5C9743B} S-1-5-21-2257386474-3982792636-3902186748-1000:CTBHAMHL\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2676
    • 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:2004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

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

    Filesize

    918KB

    MD5

    dbf06f8c7aac18054f713d4795f3b48f

    SHA1

    f6b4d693d2d39b8a3f61311b7c94d381583334c8

    SHA256

    be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c

    SHA512

    043b0c84e6616376fd5830a85b03a5188bb1b752f94cdbd1f5b6bf88a4ace2a031a5365f7b45e147e3869945150ebbe1a92009852ba544fec7dca8d52318ea77

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • memory/288-1-0x0000000000AB0000-0x0000000000B9C000-memory.dmp

    Filesize

    944KB

  • memory/288-2-0x0000000000300000-0x000000000030E000-memory.dmp

    Filesize

    56KB

  • memory/288-3-0x0000000004280000-0x00000000042DC000-memory.dmp

    Filesize

    368KB

  • memory/288-4-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/288-5-0x0000000000630000-0x0000000000642000-memory.dmp

    Filesize

    72KB

  • memory/288-32-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/288-0-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/2352-16-0x000007FEF6010000-0x000007FEF69FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2352-19-0x000007FEF6010000-0x000007FEF69FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2352-15-0x00000000001B0000-0x00000000001BC000-memory.dmp

    Filesize

    48KB

  • memory/2352-13-0x000007FEF6013000-0x000007FEF6014000-memory.dmp

    Filesize

    4KB

  • memory/2616-33-0x0000000000C10000-0x0000000000CFC000-memory.dmp

    Filesize

    944KB

  • memory/2616-34-0x0000000000350000-0x0000000000362000-memory.dmp

    Filesize

    72KB

  • memory/2616-35-0x0000000000BC0000-0x0000000000C0E000-memory.dmp

    Filesize

    312KB

  • memory/2616-36-0x0000000000A20000-0x0000000000A38000-memory.dmp

    Filesize

    96KB

  • memory/2616-37-0x0000000000A90000-0x0000000000AA0000-memory.dmp

    Filesize

    64KB

  • memory/2740-48-0x0000000000090000-0x0000000000098000-memory.dmp

    Filesize

    32KB

  • memory/3008-21-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB