Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 01:21

General

  • Target

    464f44f3c9deda36ae9a4ec9043403f0546e3902c12abde791729d6a5c5a01dc.exe

  • Size

    2.6MB

  • MD5

    9244dfbd957a522232e9f93b7c0c6859

  • SHA1

    bb68c6b213bef977e090208ea8b83078d600d4a5

  • SHA256

    464f44f3c9deda36ae9a4ec9043403f0546e3902c12abde791729d6a5c5a01dc

  • SHA512

    384c2dc44509b3f559bab05b8e8d6259bab83600da71c246b5d330903773f9412def98b963db0643cc3029ecb7cefc6fa7a1996b504bfc1f0190d934638d2db6

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxx3:Hh+ZkldoPKiYdqd6/

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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\464f44f3c9deda36ae9a4ec9043403f0546e3902c12abde791729d6a5c5a01dc.exe
    "C:\Users\Admin\AppData\Local\Temp\464f44f3c9deda36ae9a4ec9043403f0546e3902c12abde791729d6a5c5a01dc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2108
    • 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:1804
    • 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:3908
  • 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:3548
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2604
      • 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:436
    • 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:4104
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:5024
        • 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:512

      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

        d1cd641eaa79073fd1a57c6182ef5fd9

        SHA1

        03584afbfb3afaaa8199bbfaf668ceca781eafc2

        SHA256

        ead86094c7a67160a59998a5087726572d95588f4be839d941920f15a0fe8c90

        SHA512

        31c63471e780357dc193e3fa368e922c547f011db9bfff6d2d28730502662e4b959a642d52d19869806e9c4b00f0009f9b7a41c60ec31c39a9a9504ba6b26454

      • memory/1804-20-0x00000000057E0000-0x00000000057EA000-memory.dmp
        Filesize

        40KB

      • memory/1804-8-0x0000000005240000-0x0000000005250000-memory.dmp
        Filesize

        64KB

      • memory/1804-21-0x0000000073920000-0x00000000740D0000-memory.dmp
        Filesize

        7.7MB

      • memory/1804-22-0x0000000005240000-0x0000000005250000-memory.dmp
        Filesize

        64KB

      • memory/1804-10-0x0000000004F20000-0x0000000004F7C000-memory.dmp
        Filesize

        368KB

      • memory/1804-13-0x0000000005800000-0x0000000005DA4000-memory.dmp
        Filesize

        5.6MB

      • memory/1804-14-0x0000000005110000-0x00000000051A2000-memory.dmp
        Filesize

        584KB

      • memory/1804-17-0x00000000051F0000-0x0000000005208000-memory.dmp
        Filesize

        96KB

      • memory/1804-16-0x00000000050F0000-0x00000000050F8000-memory.dmp
        Filesize

        32KB

      • memory/1804-15-0x0000000005050000-0x0000000005062000-memory.dmp
        Filesize

        72KB

      • memory/1804-19-0x00000000057A0000-0x00000000057B0000-memory.dmp
        Filesize

        64KB

      • memory/1804-18-0x0000000005F80000-0x0000000006142000-memory.dmp
        Filesize

        1.8MB

      • memory/1804-2-0x0000000000400000-0x00000000004EA000-memory.dmp
        Filesize

        936KB

      • memory/1804-7-0x0000000073920000-0x00000000740D0000-memory.dmp
        Filesize

        7.7MB

      • memory/1804-9-0x00000000029B0000-0x00000000029BE000-memory.dmp
        Filesize

        56KB

      • memory/2108-1-0x0000000002930000-0x0000000002931000-memory.dmp
        Filesize

        4KB

      • memory/2108-0-0x0000000000DF0000-0x000000000109A000-memory.dmp
        Filesize

        2.7MB

      • memory/2604-31-0x0000000073920000-0x00000000740D0000-memory.dmp
        Filesize

        7.7MB

      • memory/2604-32-0x00000000055E0000-0x00000000055F0000-memory.dmp
        Filesize

        64KB

      • memory/2604-34-0x0000000073920000-0x00000000740D0000-memory.dmp
        Filesize

        7.7MB

      • memory/3548-24-0x0000000000990000-0x0000000000C3A000-memory.dmp
        Filesize

        2.7MB

      • memory/4104-36-0x0000000000990000-0x0000000000C3A000-memory.dmp
        Filesize

        2.7MB

      • memory/5024-45-0x0000000073920000-0x00000000740D0000-memory.dmp
        Filesize

        7.7MB

      • memory/5024-37-0x0000000000500000-0x00000000005EA000-memory.dmp
        Filesize

        936KB

      • memory/5024-43-0x0000000073920000-0x00000000740D0000-memory.dmp
        Filesize

        7.7MB

      • memory/5024-44-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
        Filesize

        64KB