Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-04-2024 02:17

General

  • Target

    dd13f367b9b4728cf8e1da491ccc9a08c0d223b62fad80399c73b4a0fef15e11.exe

  • Size

    2.6MB

  • MD5

    4be056c45b66d118b96e41a7c4a6f318

  • SHA1

    487ecf930f74c6ab959e7bbd5d268b813450f5e6

  • SHA256

    dd13f367b9b4728cf8e1da491ccc9a08c0d223b62fad80399c73b4a0fef15e11

  • SHA512

    dbe17c2d7dc67860017ef8863e4dfa13a0da0e7c9d647f730ab78041155fcd50343e0ad3ef75d21aa61a562c91746876125b946ca059b4a5255b8df672aef8b3

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/Nt:Vh+ZkldoPKiYdKr9T

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\dd13f367b9b4728cf8e1da491ccc9a08c0d223b62fad80399c73b4a0fef15e11.exe
    "C:\Users\Admin\AppData\Local\Temp\dd13f367b9b4728cf8e1da491ccc9a08c0d223b62fad80399c73b4a0fef15e11.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2168
    • 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:2496
    • 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:2696
    • 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\dd13f367b9b4728cf8e1da491ccc9a08c0d223b62fad80399c73b4a0fef15e11.exe & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:2412
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {264BE37B-D881-42EF-B92D-99C535E440B9} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1596
    • 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:2816
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:2944
        • 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:2652
      • 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:2384
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:1716
          • 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:1008

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.6MB

        MD5

        84ae63d165c1e0fe62700a47a788bd76

        SHA1

        17fdcf2056344a32eb050371cbd70f618408aa92

        SHA256

        224957835cfa63caf285b687ee31ccf57e726f6e3ecb5f7777d2a7e4e45b766e

        SHA512

        06ddf16748c6f7a472c3985910f83e9842d8404cbd1ebeed18d8a12f96c6211fa62557666cf0b421880b084ae985c8b5c63214438d95e8700ff248e1849d2f77

      • memory/1716-51-0x0000000074450000-0x0000000074B3E000-memory.dmp

        Filesize

        6.9MB

      • memory/1716-50-0x00000000046C0000-0x0000000004700000-memory.dmp

        Filesize

        256KB

      • memory/1716-49-0x0000000074450000-0x0000000074B3E000-memory.dmp

        Filesize

        6.9MB

      • memory/1716-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2168-0-0x0000000001220000-0x00000000014CA000-memory.dmp

        Filesize

        2.7MB

      • memory/2168-1-0x00000000000B0000-0x00000000000B1000-memory.dmp

        Filesize

        4KB

      • memory/2384-39-0x00000000012A0000-0x000000000154A000-memory.dmp

        Filesize

        2.7MB

      • memory/2496-20-0x0000000004140000-0x0000000004150000-memory.dmp

        Filesize

        64KB

      • memory/2496-13-0x0000000000310000-0x000000000031E000-memory.dmp

        Filesize

        56KB

      • memory/2496-14-0x0000000074450000-0x0000000074B3E000-memory.dmp

        Filesize

        6.9MB

      • memory/2496-17-0x00000000009A0000-0x00000000009B2000-memory.dmp

        Filesize

        72KB

      • memory/2496-18-0x0000000001F60000-0x0000000001F68000-memory.dmp

        Filesize

        32KB

      • memory/2496-19-0x0000000004100000-0x0000000004118000-memory.dmp

        Filesize

        96KB

      • memory/2496-16-0x0000000004B00000-0x0000000004B5C000-memory.dmp

        Filesize

        368KB

      • memory/2496-21-0x0000000074450000-0x0000000074B3E000-memory.dmp

        Filesize

        6.9MB

      • memory/2496-22-0x00000000047E0000-0x0000000004820000-memory.dmp

        Filesize

        256KB

      • memory/2496-15-0x00000000047E0000-0x0000000004820000-memory.dmp

        Filesize

        256KB

      • memory/2496-2-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2496-3-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2496-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2496-10-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2496-9-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2816-25-0x00000000000F0000-0x000000000039A000-memory.dmp

        Filesize

        2.7MB

      • memory/2944-37-0x0000000074450000-0x0000000074B3E000-memory.dmp

        Filesize

        6.9MB

      • memory/2944-36-0x00000000049B0000-0x00000000049F0000-memory.dmp

        Filesize

        256KB

      • memory/2944-35-0x0000000074450000-0x0000000074B3E000-memory.dmp

        Filesize

        6.9MB

      • memory/2944-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB