Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 03:06

General

  • Target

    162c394ce267719610b0a9594d7f4f163e8539236d0af4b1eb1ce3705eeb58ae.exe

  • Size

    2.6MB

  • MD5

    5ffbae338230732fe997c692b42f199e

  • SHA1

    da5678c3a66e183b6436b6452aa4fbbfe28872f0

  • SHA256

    162c394ce267719610b0a9594d7f4f163e8539236d0af4b1eb1ce3705eeb58ae

  • SHA512

    ffb7e1870927cbef809a5777384a395be4bfa2b2359b30570e2bb55a994df0b087ccea7fb9f50bff358e3176ef3ba5e9dc398b70d1a22d1e27e0782fdf8b1587

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxv:Hh+ZkldoPKiYdqd6X

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 1 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 3 IoCs
  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\162c394ce267719610b0a9594d7f4f163e8539236d0af4b1eb1ce3705eeb58ae.exe
    "C:\Users\Admin\AppData\Local\Temp\162c394ce267719610b0a9594d7f4f163e8539236d0af4b1eb1ce3705eeb58ae.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4468
    • 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:1496
    • 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:3268
  • 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:4360
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1844
      • 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:4332
    • 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:1436
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:4192
        • 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:5040
      • 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:2528
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:2288
          • 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:1224
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
          1⤵
            PID:4604
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k UnistackSvcGroup
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1436

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Execution

          Scheduled Task/Job

          1
          T1053

          Persistence

          Scheduled Task/Job

          1
          T1053

          Privilege Escalation

          Scheduled Task/Job

          1
          T1053

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          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

            7e2bbcd9e0bd224714ab240ac0c8f18a

            SHA1

            a2e45f583005bc7b80406de5898a4395a3bec29d

            SHA256

            93d52ac21fea3847429676ad8e87cd74e04d8dfa72ced9ad4717c6c17a365083

            SHA512

            01ee8496d0813edb24be54c11eeac0cbeefe0d11c408ff244f41d25c99fab59a210969505fc6b11ec3d9f55b174b6a707801dc90806fd00f4365c71b2c31339f

          • memory/1436-84-0x00000241175A0000-0x00000241175A1000-memory.dmp
            Filesize

            4KB

          • memory/1436-36-0x0000000000C40000-0x0000000000EEA000-memory.dmp
            Filesize

            2.7MB

          • memory/1436-64-0x000002410F140000-0x000002410F150000-memory.dmp
            Filesize

            64KB

          • memory/1436-80-0x0000024117460000-0x0000024117461000-memory.dmp
            Filesize

            4KB

          • memory/1436-82-0x0000024117490000-0x0000024117491000-memory.dmp
            Filesize

            4KB

          • memory/1436-83-0x0000024117490000-0x0000024117491000-memory.dmp
            Filesize

            4KB

          • memory/1496-9-0x00000000055A0000-0x00000000055AE000-memory.dmp
            Filesize

            56KB

          • memory/1496-13-0x0000000005760000-0x00000000057F2000-memory.dmp
            Filesize

            584KB

          • memory/1496-16-0x0000000005750000-0x0000000005758000-memory.dmp
            Filesize

            32KB

          • memory/1496-17-0x0000000005B90000-0x0000000005BA8000-memory.dmp
            Filesize

            96KB

          • memory/1496-18-0x00000000065C0000-0x0000000006782000-memory.dmp
            Filesize

            1.8MB

          • memory/1496-19-0x0000000005BE0000-0x0000000005BF0000-memory.dmp
            Filesize

            64KB

          • memory/1496-20-0x00000000065A0000-0x00000000065AA000-memory.dmp
            Filesize

            40KB

          • memory/1496-15-0x0000000005740000-0x0000000005752000-memory.dmp
            Filesize

            72KB

          • memory/1496-11-0x0000000005BF0000-0x0000000006194000-memory.dmp
            Filesize

            5.6MB

          • memory/1496-10-0x00000000055D0000-0x000000000562C000-memory.dmp
            Filesize

            368KB

          • memory/1496-8-0x00000000055C0000-0x00000000055D0000-memory.dmp
            Filesize

            64KB

          • memory/1496-7-0x0000000073F10000-0x00000000746C0000-memory.dmp
            Filesize

            7.7MB

          • memory/1496-33-0x0000000073F10000-0x00000000746C0000-memory.dmp
            Filesize

            7.7MB

          • memory/1496-34-0x00000000055C0000-0x00000000055D0000-memory.dmp
            Filesize

            64KB

          • memory/1496-2-0x0000000000400000-0x00000000004EA000-memory.dmp
            Filesize

            936KB

          • memory/1844-29-0x0000000073F10000-0x00000000746C0000-memory.dmp
            Filesize

            7.7MB

          • memory/1844-32-0x0000000073F10000-0x00000000746C0000-memory.dmp
            Filesize

            7.7MB

          • memory/1844-30-0x0000000003330000-0x0000000003340000-memory.dmp
            Filesize

            64KB

          • memory/2288-90-0x0000000073F10000-0x00000000746C0000-memory.dmp
            Filesize

            7.7MB

          • memory/2288-91-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
            Filesize

            64KB

          • memory/2288-92-0x0000000073F10000-0x00000000746C0000-memory.dmp
            Filesize

            7.7MB

          • memory/2528-47-0x0000000000C40000-0x0000000000EEA000-memory.dmp
            Filesize

            2.7MB

          • memory/4192-43-0x0000000073F10000-0x00000000746C0000-memory.dmp
            Filesize

            7.7MB

          • memory/4192-44-0x0000000002990000-0x00000000029A0000-memory.dmp
            Filesize

            64KB

          • memory/4192-45-0x0000000073F10000-0x00000000746C0000-memory.dmp
            Filesize

            7.7MB

          • memory/4360-22-0x0000000000C40000-0x0000000000EEA000-memory.dmp
            Filesize

            2.7MB

          • memory/4468-0-0x00000000005A0000-0x000000000084A000-memory.dmp
            Filesize

            2.7MB

          • memory/4468-1-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
            Filesize

            4KB