Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    12-04-2024 01:03

General

  • Target

    c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105.exe

  • Size

    2.6MB

  • MD5

    be8f80724df234482960ce23d1ba3775

  • SHA1

    2479394e9d3febf89636f427d5eb3faaec864465

  • SHA256

    c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105

  • SHA512

    90474b7659d9d31cbcfe8c946d3bbaec14b9f851b64f7d4f209c8dd3fcd99c82a9f6aed4c478bb64e597a33db09ad35c117804c5c89e2092f26a4bf1d21ff5a1

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/ND:Vh+ZkldoPKiYdKr9N

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\c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105.exe
    "C:\Users\Admin\AppData\Local\Temp\c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2956
    • 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:3040
    • 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:2084
    • 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\c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105.exe & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:2720
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {24F59B9A-DB55-4449-9209-1DEB27634499} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2040
    • 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:2324
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:1464
        • 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:2776
      • 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:608
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:284
          • 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:2112

      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

        d989eb5bbba2d8c73b8278cc1d071217

        SHA1

        18c3acc254e3f404bcb24effb06ca467eecd7a5a

        SHA256

        93a326c3caf058af05acd6b41801812967fa7282aab562016ae3364be11d97e2

        SHA512

        80d482c7adf6f8f38f2aca6a832579241a3e827045678bf7af61de14cd6b4b59a9af639103061f8c3dc10b40d6ede5588f4d5d8b389b905df04d8ce11ba3e81b

      • memory/284-50-0x0000000074620000-0x0000000074D0E000-memory.dmp

        Filesize

        6.9MB

      • memory/284-49-0x0000000074620000-0x0000000074D0E000-memory.dmp

        Filesize

        6.9MB

      • memory/608-39-0x00000000011F0000-0x000000000149A000-memory.dmp

        Filesize

        2.7MB

      • memory/1464-37-0x0000000074620000-0x0000000074D0E000-memory.dmp

        Filesize

        6.9MB

      • memory/1464-35-0x0000000074620000-0x0000000074D0E000-memory.dmp

        Filesize

        6.9MB

      • memory/1464-36-0x0000000000B20000-0x0000000000B60000-memory.dmp

        Filesize

        256KB

      • memory/2324-25-0x00000000011F0000-0x000000000149A000-memory.dmp

        Filesize

        2.7MB

      • memory/2956-1-0x00000000000F0000-0x00000000000F1000-memory.dmp

        Filesize

        4KB

      • memory/2956-0-0x0000000001110000-0x00000000013BA000-memory.dmp

        Filesize

        2.7MB

      • memory/3040-10-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/3040-16-0x0000000000B20000-0x0000000000B7C000-memory.dmp

        Filesize

        368KB

      • memory/3040-18-0x0000000000670000-0x0000000000678000-memory.dmp

        Filesize

        32KB

      • memory/3040-19-0x0000000000C10000-0x0000000000C28000-memory.dmp

        Filesize

        96KB

      • memory/3040-20-0x0000000000C50000-0x0000000000C60000-memory.dmp

        Filesize

        64KB

      • memory/3040-21-0x0000000074620000-0x0000000074D0E000-memory.dmp

        Filesize

        6.9MB

      • memory/3040-22-0x0000000004CD0000-0x0000000004D10000-memory.dmp

        Filesize

        256KB

      • memory/3040-17-0x0000000000610000-0x0000000000622000-memory.dmp

        Filesize

        72KB

      • memory/3040-15-0x0000000000300000-0x000000000030E000-memory.dmp

        Filesize

        56KB

      • memory/3040-14-0x0000000004CD0000-0x0000000004D10000-memory.dmp

        Filesize

        256KB

      • memory/3040-13-0x0000000074620000-0x0000000074D0E000-memory.dmp

        Filesize

        6.9MB

      • memory/3040-9-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/3040-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/3040-3-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/3040-2-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB