Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02be5e1ff3d3187c1fd3a389210dadb5a59c8f9382736e50fe5e82f9c39acb3e.exe
    "C:\Users\Admin\AppData\Local\Temp\02be5e1ff3d3187c1fd3a389210dadb5a59c8f9382736e50fe5e82f9c39acb3e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2280
    • 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:1604
    • 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:3504
    • 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⤵
      • Suspicious use of WriteProcessMemory
      PID:3740
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:1848
  • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
    C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1664
      • 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:2564
    • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4628
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:4772
        • 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:4768

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log

        Filesize

        1KB

        MD5

        0672db2ef13237d5cb85075ff4915942

        SHA1

        ad8b4d3eb5e40791c47d48b22e273486f25f663f

        SHA256

        0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

        SHA512

        84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

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

        Filesize

        2.6MB

        MD5

        0adbd64b1acaf106bc1896574b43a261

        SHA1

        352cdba221d19837930e63255dc4be1ee1c63f28

        SHA256

        5743307aafc536348e8f56d3f9f092d00fc2b578642d9fae41e9342dd618525b

        SHA512

        558c4be07392442acfac02c33a6afe9905a1faa73714d72966274b82e115266c15ed40cc7d14358fcc652c2b3f49175c808ce2524c22eaeb57fc976ceea3535f

      • memory/1604-18-0x0000000005EF0000-0x00000000060B2000-memory.dmp

        Filesize

        1.8MB

      • memory/1604-10-0x0000000002850000-0x00000000028AC000-memory.dmp

        Filesize

        368KB

      • memory/1604-20-0x0000000005740000-0x000000000574A000-memory.dmp

        Filesize

        40KB

      • memory/1604-9-0x0000000002800000-0x000000000280E000-memory.dmp

        Filesize

        56KB

      • memory/1604-21-0x00000000743C0000-0x0000000074B70000-memory.dmp

        Filesize

        7.7MB

      • memory/1604-12-0x0000000005770000-0x0000000005D14000-memory.dmp

        Filesize

        5.6MB

      • memory/1604-14-0x0000000005070000-0x0000000005102000-memory.dmp

        Filesize

        584KB

      • memory/1604-22-0x00000000051B0000-0x00000000051C0000-memory.dmp

        Filesize

        64KB

      • memory/1604-16-0x0000000005050000-0x0000000005058000-memory.dmp

        Filesize

        32KB

      • memory/1604-17-0x0000000005150000-0x0000000005168000-memory.dmp

        Filesize

        96KB

      • memory/1604-1-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/1604-19-0x0000000005190000-0x00000000051A0000-memory.dmp

        Filesize

        64KB

      • memory/1604-8-0x00000000051B0000-0x00000000051C0000-memory.dmp

        Filesize

        64KB

      • memory/1604-7-0x00000000743C0000-0x0000000074B70000-memory.dmp

        Filesize

        7.7MB

      • memory/1604-15-0x0000000004FB0000-0x0000000004FC2000-memory.dmp

        Filesize

        72KB

      • memory/1664-26-0x0000000000600000-0x00000000006EA000-memory.dmp

        Filesize

        936KB

      • memory/1664-32-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

        Filesize

        64KB

      • memory/1664-31-0x00000000743C0000-0x0000000074B70000-memory.dmp

        Filesize

        7.7MB

      • memory/1664-34-0x00000000743C0000-0x0000000074B70000-memory.dmp

        Filesize

        7.7MB

      • memory/2280-3-0x0000000003860000-0x0000000003861000-memory.dmp

        Filesize

        4KB

      • memory/2280-0-0x0000000000540000-0x00000000007EA000-memory.dmp

        Filesize

        2.7MB

      • memory/4112-24-0x0000000000700000-0x00000000009AA000-memory.dmp

        Filesize

        2.7MB

      • memory/4628-36-0x0000000000700000-0x00000000009AA000-memory.dmp

        Filesize

        2.7MB

      • memory/4772-43-0x00000000743C0000-0x0000000074B70000-memory.dmp

        Filesize

        7.7MB

      • memory/4772-44-0x00000000743C0000-0x0000000074B70000-memory.dmp

        Filesize

        7.7MB