Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-04-2024 02:19

General

  • Target

    2ba7fcf7f06472ae111f33f4667b928fd1ed4d99f094256e46abe0d6b020e757.exe

  • Size

    2.6MB

  • MD5

    3e2ad8d0c4fd454427d92c3bb36be39a

  • SHA1

    92f7d5f9c642c497ef94ffc3152ca60da1a4b394

  • SHA256

    2ba7fcf7f06472ae111f33f4667b928fd1ed4d99f094256e46abe0d6b020e757

  • SHA512

    dd28e91dfcebea1f3426dee4ef3d9264bca3bf45725567abf144a97bfbe4b22fa46b27a8274d4ec4d23c8c48952c260ab2cd23892e0dd08b6bc62de31007a1bb

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/Nv:Vh+ZkldoPKiYdKr9Z

Malware Config

Extracted

Family

orcus

Botnet

ligeon

C2

ligeon.ddns.net:1606

Mutex

b98fb09a59c24a81b9d17a55ccf2c036

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 6 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ba7fcf7f06472ae111f33f4667b928fd1ed4d99f094256e46abe0d6b020e757.exe
    "C:\Users\Admin\AppData\Local\Temp\2ba7fcf7f06472ae111f33f4667b928fd1ed4d99f094256e46abe0d6b020e757.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
      2⤵
      • Creates scheduled task(s)
      PID:2120
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\2ba7fcf7f06472ae111f33f4667b928fd1ed4d99f094256e46abe0d6b020e757.exe & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:1728
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2761A1ED-5BBE-4EA8-855D-5B70A6EDB7A9} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:2892
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
          3⤵
          • Creates scheduled task(s)
          PID:1192
      • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
        C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2928
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:2904
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
            3⤵
            • Creates scheduled task(s)
            PID:2104
        • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
          C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1608
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            3⤵
              PID:1656
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
              3⤵
              • Creates scheduled task(s)
              PID:2128

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe

          Filesize

          2.6MB

          MD5

          84e24bd853a58a58247838285cd14741

          SHA1

          4b812362aad69c69cc68277f1638cc1c8513c290

          SHA256

          44601b91195008715eb8a9fbad4d9e67894a1f407319c1210b0e344bb1877e40

          SHA512

          c39a11e698825d389e46bcc6f8e212d54451553f213fb300354728b09bd0f71088886e4ede3e1450da1d71e3b4fdfaee616c363c7ce500538fd8a808aad67052

        • memory/1608-53-0x0000000000FE0000-0x000000000128A000-memory.dmp

          Filesize

          2.7MB

        • memory/1656-64-0x0000000074650000-0x0000000074D3E000-memory.dmp

          Filesize

          6.9MB

        • memory/1656-63-0x0000000074650000-0x0000000074D3E000-memory.dmp

          Filesize

          6.9MB

        • memory/1924-13-0x0000000074650000-0x0000000074D3E000-memory.dmp

          Filesize

          6.9MB

        • memory/1924-17-0x0000000000800000-0x0000000000812000-memory.dmp

          Filesize

          72KB

        • memory/1924-10-0x0000000000400000-0x00000000004EA000-memory.dmp

          Filesize

          936KB

        • memory/1924-14-0x0000000000390000-0x000000000039E000-memory.dmp

          Filesize

          56KB

        • memory/1924-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1924-15-0x0000000004810000-0x0000000004850000-memory.dmp

          Filesize

          256KB

        • memory/1924-16-0x00000000022D0000-0x000000000232C000-memory.dmp

          Filesize

          368KB

        • memory/1924-9-0x0000000000400000-0x00000000004EA000-memory.dmp

          Filesize

          936KB

        • memory/1924-18-0x0000000000820000-0x0000000000828000-memory.dmp

          Filesize

          32KB

        • memory/1924-19-0x0000000000920000-0x0000000000938000-memory.dmp

          Filesize

          96KB

        • memory/1924-20-0x00000000009B0000-0x00000000009C0000-memory.dmp

          Filesize

          64KB

        • memory/1924-3-0x0000000000400000-0x00000000004EA000-memory.dmp

          Filesize

          936KB

        • memory/1924-2-0x0000000000400000-0x00000000004EA000-memory.dmp

          Filesize

          936KB

        • memory/1924-24-0x0000000074650000-0x0000000074D3E000-memory.dmp

          Filesize

          6.9MB

        • memory/1924-26-0x0000000004810000-0x0000000004850000-memory.dmp

          Filesize

          256KB

        • memory/2452-23-0x0000000000C70000-0x0000000000F1A000-memory.dmp

          Filesize

          2.7MB

        • memory/2872-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

          Filesize

          4KB

        • memory/2872-0-0x00000000008A0000-0x0000000000B4A000-memory.dmp

          Filesize

          2.7MB

        • memory/2892-27-0x0000000000170000-0x000000000025A000-memory.dmp

          Filesize

          936KB

        • memory/2892-34-0x0000000000170000-0x000000000025A000-memory.dmp

          Filesize

          936KB

        • memory/2892-35-0x0000000074650000-0x0000000074D3E000-memory.dmp

          Filesize

          6.9MB

        • memory/2892-36-0x0000000004A40000-0x0000000004A80000-memory.dmp

          Filesize

          256KB

        • memory/2892-37-0x0000000074650000-0x0000000074D3E000-memory.dmp

          Filesize

          6.9MB

        • memory/2892-33-0x0000000000170000-0x000000000025A000-memory.dmp

          Filesize

          936KB

        • memory/2904-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2904-51-0x0000000074650000-0x0000000074D3E000-memory.dmp

          Filesize

          6.9MB

        • memory/2904-50-0x0000000004290000-0x00000000042D0000-memory.dmp

          Filesize

          256KB

        • memory/2904-49-0x0000000074650000-0x0000000074D3E000-memory.dmp

          Filesize

          6.9MB

        • memory/2928-39-0x0000000000FE0000-0x000000000128A000-memory.dmp

          Filesize

          2.7MB