Analysis

  • max time kernel
    139s
  • max time network
    141s
  • 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

    9493166c5dffdf4306a1f048d605bf2deaa6d205c0b3f784705c9e34cde11c0d.exe

  • Size

    2.6MB

  • MD5

    802ab14cdfbc0d972f94165b96d70704

  • SHA1

    b304b72fa8359979e0c8640c73ebcc39ded92f8b

  • SHA256

    9493166c5dffdf4306a1f048d605bf2deaa6d205c0b3f784705c9e34cde11c0d

  • SHA512

    dd249bef419b0e0880884da339dc1615132b15994ac08fad3c62c02e2711be2c52d234ea40511c88eb3e894e9074510bc8a37fd0dd7775810579382fdaf48c41

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/Nq:Vh+ZkldoPKiYdKr9g

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 9 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\9493166c5dffdf4306a1f048d605bf2deaa6d205c0b3f784705c9e34cde11c0d.exe
    "C:\Users\Admin\AppData\Local\Temp\9493166c5dffdf4306a1f048d605bf2deaa6d205c0b3f784705c9e34cde11c0d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2844
    • 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:3052
    • 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:2740
    • 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\9493166c5dffdf4306a1f048d605bf2deaa6d205c0b3f784705c9e34cde11c0d.exe & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:2108
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1CB16B23-3DB8-4C5D-9576-2400E1FD8FEF} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2928
    • 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:1080
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:2788
        • 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:1396
      • 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:1740
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:2880
          • 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:868

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.6MB

        MD5

        fa4e0068deb665f1dbb02eb507019eb1

        SHA1

        993fd6337e03756a43a30309ec3ca2f3cadaff15

        SHA256

        07bd83807aede329f1e6b621034405199fbbb49054ee02ba5f384c3e2a3e378d

        SHA512

        2afc8cbe6887eeab2d0a895132fd003063a028b07049c15f391185bd21c682326146ee5b9c50a9df1521abd8bccd2fb7c77ce4a906bd98ae3416f1e09d82a386

      • memory/1080-25-0x0000000000920000-0x0000000000BCA000-memory.dmp

        Filesize

        2.7MB

      • memory/1740-39-0x0000000000330000-0x00000000005DA000-memory.dmp

        Filesize

        2.7MB

      • memory/2788-27-0x0000000000150000-0x000000000023A000-memory.dmp

        Filesize

        936KB

      • memory/2788-33-0x0000000000150000-0x000000000023A000-memory.dmp

        Filesize

        936KB

      • memory/2788-34-0x0000000000150000-0x000000000023A000-memory.dmp

        Filesize

        936KB

      • memory/2788-36-0x0000000004910000-0x0000000004950000-memory.dmp

        Filesize

        256KB

      • memory/2788-35-0x0000000073C90000-0x000000007437E000-memory.dmp

        Filesize

        6.9MB

      • memory/2788-37-0x0000000073C90000-0x000000007437E000-memory.dmp

        Filesize

        6.9MB

      • memory/2844-0-0x0000000000C30000-0x0000000000EDA000-memory.dmp

        Filesize

        2.7MB

      • memory/2844-1-0x00000000001E0000-0x00000000001E1000-memory.dmp

        Filesize

        4KB

      • memory/2880-42-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2880-48-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2880-49-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2880-50-0x0000000073C90000-0x000000007437E000-memory.dmp

        Filesize

        6.9MB

      • memory/2880-51-0x0000000004530000-0x0000000004570000-memory.dmp

        Filesize

        256KB

      • memory/2880-52-0x0000000073C90000-0x000000007437E000-memory.dmp

        Filesize

        6.9MB

      • memory/3052-13-0x0000000073C90000-0x000000007437E000-memory.dmp

        Filesize

        6.9MB

      • memory/3052-22-0x00000000049F0000-0x0000000004A30000-memory.dmp

        Filesize

        256KB

      • memory/3052-21-0x0000000073C90000-0x000000007437E000-memory.dmp

        Filesize

        6.9MB

      • memory/3052-20-0x0000000004750000-0x0000000004760000-memory.dmp

        Filesize

        64KB

      • memory/3052-19-0x0000000002010000-0x0000000002028000-memory.dmp

        Filesize

        96KB

      • memory/3052-18-0x0000000002000000-0x0000000002008000-memory.dmp

        Filesize

        32KB

      • memory/3052-17-0x00000000008E0000-0x00000000008F2000-memory.dmp

        Filesize

        72KB

      • memory/3052-16-0x0000000000640000-0x000000000069C000-memory.dmp

        Filesize

        368KB

      • memory/3052-15-0x00000000049F0000-0x0000000004A30000-memory.dmp

        Filesize

        256KB

      • memory/3052-14-0x0000000000520000-0x000000000052E000-memory.dmp

        Filesize

        56KB

      • memory/3052-10-0x0000000000190000-0x000000000027A000-memory.dmp

        Filesize

        936KB

      • memory/3052-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/3052-9-0x0000000000190000-0x000000000027A000-memory.dmp

        Filesize

        936KB

      • memory/3052-3-0x0000000000190000-0x000000000027A000-memory.dmp

        Filesize

        936KB

      • memory/3052-2-0x0000000000190000-0x000000000027A000-memory.dmp

        Filesize

        936KB