Analysis

  • max time kernel
    128s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 01:01

General

  • Target

    9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f.exe

  • Size

    3.0MB

  • MD5

    4fb506ac6e528cf11f0bec4618b13819

  • SHA1

    2635af94c2bd627b912a7ee6c8837e1c6766853a

  • SHA256

    9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f

  • SHA512

    e073651b3f04f0265b05f034caeb1a0c0231d041fa46644b4b2d9c8704229681a25d64ce180d4f360eebc0128e859657829b7b2124d80ddeca1269d38da9d006

  • SSDEEP

    49152:Y1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:YUHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

Argon

C2

31.44.184.52:15288

Mutex

sudo_ufx8ejg93966cs0rno0l76zre3yenau0

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\uploadsserverdownloads\asyncwordpress.exe

  • reconnect_delay

    10000

  • registry_keyname

    Sudik

  • taskscheduler_taskname

    sudik

  • watchdog_path

    AppData\aga.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus family
  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f.exe
    "C:\Users\Admin\AppData\Local\Temp\9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
      "C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
        3⤵
          PID:3936
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
          3⤵
            PID:4124
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
            3⤵
              PID:4372
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
              3⤵
                PID:3636
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3480
          • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
            C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
            1⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4712
          • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
            C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
            1⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3336
          • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
            C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
            1⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1564

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            1KB

            MD5

            663b8d5469caa4489d463aa9bc18124f

            SHA1

            e57123a7d969115853ea631a3b33826335025d28

            SHA256

            7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

            SHA512

            45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

          • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe

            Filesize

            3.0MB

            MD5

            4fb506ac6e528cf11f0bec4618b13819

            SHA1

            2635af94c2bd627b912a7ee6c8837e1c6766853a

            SHA256

            9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f

            SHA512

            e073651b3f04f0265b05f034caeb1a0c0231d041fa46644b4b2d9c8704229681a25d64ce180d4f360eebc0128e859657829b7b2124d80ddeca1269d38da9d006

          • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe.config

            Filesize

            357B

            MD5

            a2b76cea3a59fa9af5ea21ff68139c98

            SHA1

            35d76475e6a54c168f536e30206578babff58274

            SHA256

            f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

            SHA512

            b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

          • memory/884-1-0x0000000000640000-0x000000000093E000-memory.dmp

            Filesize

            3.0MB

          • memory/884-2-0x0000000002D40000-0x0000000002D4E000-memory.dmp

            Filesize

            56KB

          • memory/884-4-0x0000000005520000-0x000000000557C000-memory.dmp

            Filesize

            368KB

          • memory/884-3-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/884-5-0x0000000005C10000-0x00000000061B4000-memory.dmp

            Filesize

            5.6MB

          • memory/884-6-0x0000000005700000-0x0000000005792000-memory.dmp

            Filesize

            584KB

          • memory/884-7-0x0000000005510000-0x0000000005522000-memory.dmp

            Filesize

            72KB

          • memory/884-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

            Filesize

            4KB

          • memory/884-23-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/3480-42-0x0000000007860000-0x0000000007E78000-memory.dmp

            Filesize

            6.1MB

          • memory/3480-43-0x00000000072F0000-0x0000000007302000-memory.dmp

            Filesize

            72KB

          • memory/3480-49-0x0000000008440000-0x0000000008490000-memory.dmp

            Filesize

            320KB

          • memory/3480-48-0x0000000007510000-0x000000000751E000-memory.dmp

            Filesize

            56KB

          • memory/3480-47-0x0000000007E80000-0x0000000008042000-memory.dmp

            Filesize

            1.8MB

          • memory/3480-34-0x00000000056C0000-0x00000000056D8000-memory.dmp

            Filesize

            96KB

          • memory/3480-33-0x00000000055D0000-0x00000000055E2000-memory.dmp

            Filesize

            72KB

          • memory/3480-35-0x00000000065E0000-0x00000000065F0000-memory.dmp

            Filesize

            64KB

          • memory/3480-36-0x0000000006900000-0x000000000690A000-memory.dmp

            Filesize

            40KB

          • memory/3480-46-0x0000000007520000-0x000000000762A000-memory.dmp

            Filesize

            1.0MB

          • memory/3480-45-0x0000000007390000-0x00000000073DC000-memory.dmp

            Filesize

            304KB

          • memory/3480-41-0x00000000070D0000-0x0000000007136000-memory.dmp

            Filesize

            408KB

          • memory/3480-44-0x0000000007350000-0x000000000738C000-memory.dmp

            Filesize

            240KB

          • memory/4712-38-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/4712-29-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/5016-26-0x0000000005A10000-0x0000000005A5E000-memory.dmp

            Filesize

            312KB

          • memory/5016-24-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/5016-25-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/5016-32-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/5016-28-0x0000000006810000-0x00000000068AC000-memory.dmp

            Filesize

            624KB