Analysis

  • max time kernel
    142s
  • 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 01:44

General

  • Target

    02be5e1ff3d3187c1fd3a389210dadb5a59c8f9382736e50fe5e82f9c39acb3e.exe

  • Size

    2.6MB

  • MD5

    2881da0a29f1c8396704b74d8d583061

  • SHA1

    6b157a9182997360d4adc3aade23a961564619d2

  • SHA256

    02be5e1ff3d3187c1fd3a389210dadb5a59c8f9382736e50fe5e82f9c39acb3e

  • SHA512

    4b8e58da698ce5a630237a3d80e1122347998c32448dca94eea1c2fb7cba97b44721132db65eed58cf47bf692030fd7204f468140ecb68421a894ff8b4a256f4

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/NP:Vh+ZkldoPKiYdKr9d

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 3 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 3 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02be5e1ff3d3187c1fd3a389210dadb5a59c8f9382736e50fe5e82f9c39acb3e.exe
    "C:\Users\Admin\AppData\Local\Temp\02be5e1ff3d3187c1fd3a389210dadb5a59c8f9382736e50fe5e82f9c39acb3e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1812
    • 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:2376
    • 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:2404
    • 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\02be5e1ff3d3187c1fd3a389210dadb5a59c8f9382736e50fe5e82f9c39acb3e.exe & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:2692
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DFFE2DA2-E0B3-4483-9D62-4943A03EAD1D} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1624
    • 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:1996
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:1412
        • 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:1952
      • 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:752
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:1652
          • 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:1084

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.6MB

        MD5

        0adbd64b1acaf106bc1896574b43a261

        SHA1

        352cdba221d19837930e63255dc4be1ee1c63f28

        SHA256

        5743307aafc536348e8f56d3f9f092d00fc2b578642d9fae41e9342dd618525b

        SHA512

        558c4be07392442acfac02c33a6afe9905a1faa73714d72966274b82e115266c15ed40cc7d14358fcc652c2b3f49175c808ce2524c22eaeb57fc976ceea3535f

      • memory/752-40-0x0000000000E70000-0x000000000111A000-memory.dmp

        Filesize

        2.7MB

      • memory/1412-38-0x0000000073C20000-0x000000007430E000-memory.dmp

        Filesize

        6.9MB

      • memory/1412-37-0x0000000004AC0000-0x0000000004B00000-memory.dmp

        Filesize

        256KB

      • memory/1412-36-0x0000000073C20000-0x000000007430E000-memory.dmp

        Filesize

        6.9MB

      • memory/1412-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1652-51-0x0000000073C20000-0x000000007430E000-memory.dmp

        Filesize

        6.9MB

      • memory/1652-50-0x0000000073C20000-0x000000007430E000-memory.dmp

        Filesize

        6.9MB

      • memory/1652-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1812-1-0x00000000001E0000-0x00000000001E1000-memory.dmp

        Filesize

        4KB

      • memory/1812-0-0x0000000000EE0000-0x000000000118A000-memory.dmp

        Filesize

        2.7MB

      • memory/1996-25-0x0000000000180000-0x000000000042A000-memory.dmp

        Filesize

        2.7MB

      • memory/2376-10-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2376-16-0x0000000004830000-0x000000000488C000-memory.dmp

        Filesize

        368KB

      • memory/2376-20-0x0000000002050000-0x0000000002060000-memory.dmp

        Filesize

        64KB

      • memory/2376-21-0x0000000073C20000-0x000000007430E000-memory.dmp

        Filesize

        6.9MB

      • memory/2376-22-0x00000000049E0000-0x0000000004A20000-memory.dmp

        Filesize

        256KB

      • memory/2376-18-0x0000000000A10000-0x0000000000A18000-memory.dmp

        Filesize

        32KB

      • memory/2376-17-0x00000000009F0000-0x0000000000A02000-memory.dmp

        Filesize

        72KB

      • memory/2376-19-0x0000000000A60000-0x0000000000A78000-memory.dmp

        Filesize

        96KB

      • memory/2376-15-0x0000000000500000-0x000000000050E000-memory.dmp

        Filesize

        56KB

      • memory/2376-14-0x00000000049E0000-0x0000000004A20000-memory.dmp

        Filesize

        256KB

      • memory/2376-13-0x0000000073C20000-0x000000007430E000-memory.dmp

        Filesize

        6.9MB

      • memory/2376-9-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2376-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2376-3-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2376-2-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB