Analysis

  • max time kernel
    132s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 01:02

General

  • Target

    8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe

  • Size

    3.0MB

  • MD5

    63b97c1f234481feb39c12108cf95a6c

  • SHA1

    dbdd351046ef9a2fef1e311dc6abdea1f8136414

  • SHA256

    8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9

  • SHA512

    f2e80ff5a210c00fe1dfabe8c5c77affee3aa191d57feff0ecb715a1b51898673fd95ee9d12676bb9ddb111bdc9f0b5c974edb8466b7982640bd9a533dd007b5

  • SSDEEP

    49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

C2

31.44.184.52:24706

Mutex

sudo_9ujfjqyd5oihliwxnmlbee3o45i48x9b

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\defaultto\windowslocal.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 8 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe
    "C:\Users\Admin\AppData\Local\Temp\8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
      "C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.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:1900
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        3⤵
          PID:2476
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
          3⤵
            PID:4336
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
            3⤵
              PID:2908
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
              3⤵
              • System Location Discovery: System Language Discovery
              PID:4428
        • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
          C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
          1⤵
          • 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:3848
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
            2⤵
              PID:1796
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
              2⤵
                PID:5064
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
                2⤵
                  PID:4364
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2164
              • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                1⤵
                • 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:1700
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
                  2⤵
                    PID:212
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3096
                • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                  C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                  1⤵
                  • 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:1488
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4076
                • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                  C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                  1⤵
                  • 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:1740
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
                    2⤵
                      PID:4276
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
                      2⤵
                      • System Location Discovery: System Language Discovery
                      PID:3020
                  • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                    C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                    1⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:4784
                  • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                    C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                    1⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:5016
                  • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                    C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
                    1⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:4316

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

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

                    Filesize

                    1KB

                    MD5

                    0672db2ef13237d5cb85075ff4915942

                    SHA1

                    ad8b4d3eb5e40791c47d48b22e273486f25f663f

                    SHA256

                    0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

                    SHA512

                    84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

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

                    Filesize

                    1KB

                    MD5

                    663b8d5469caa4489d463aa9bc18124f

                    SHA1

                    e57123a7d969115853ea631a3b33826335025d28

                    SHA256

                    7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

                    SHA512

                    45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

                  • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe

                    Filesize

                    3.0MB

                    MD5

                    63b97c1f234481feb39c12108cf95a6c

                    SHA1

                    dbdd351046ef9a2fef1e311dc6abdea1f8136414

                    SHA256

                    8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9

                    SHA512

                    f2e80ff5a210c00fe1dfabe8c5c77affee3aa191d57feff0ecb715a1b51898673fd95ee9d12676bb9ddb111bdc9f0b5c974edb8466b7982640bd9a533dd007b5

                  • C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe.config

                    Filesize

                    357B

                    MD5

                    a2b76cea3a59fa9af5ea21ff68139c98

                    SHA1

                    35d76475e6a54c168f536e30206578babff58274

                    SHA256

                    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

                    SHA512

                    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

                  • memory/1740-42-0x0000000004F00000-0x0000000004F12000-memory.dmp

                    Filesize

                    72KB

                  • memory/1900-32-0x0000000074F90000-0x0000000075740000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1900-24-0x0000000074F90000-0x0000000075740000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1900-28-0x00000000063F0000-0x000000000648C000-memory.dmp

                    Filesize

                    624KB

                  • memory/1900-26-0x0000000006190000-0x00000000061DE000-memory.dmp

                    Filesize

                    312KB

                  • memory/1900-25-0x0000000074F90000-0x0000000075740000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/2816-2-0x0000000002C50000-0x0000000002C5E000-memory.dmp

                    Filesize

                    56KB

                  • memory/2816-6-0x0000000005590000-0x0000000005622000-memory.dmp

                    Filesize

                    584KB

                  • memory/2816-23-0x0000000074F90000-0x0000000075740000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/2816-5-0x0000000005AA0000-0x0000000006044000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/2816-7-0x0000000005220000-0x0000000005232000-memory.dmp

                    Filesize

                    72KB

                  • memory/2816-1-0x00000000004C0000-0x00000000007BE000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/2816-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

                    Filesize

                    4KB

                  • memory/2816-4-0x0000000005350000-0x00000000053AC000-memory.dmp

                    Filesize

                    368KB

                  • memory/2816-3-0x0000000074F90000-0x0000000075740000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3096-45-0x0000000006080000-0x0000000006098000-memory.dmp

                    Filesize

                    96KB

                  • memory/3096-55-0x0000000007730000-0x0000000007742000-memory.dmp

                    Filesize

                    72KB

                  • memory/3096-62-0x0000000008760000-0x00000000087B0000-memory.dmp

                    Filesize

                    320KB

                  • memory/3096-46-0x00000000060D0000-0x00000000060E0000-memory.dmp

                    Filesize

                    64KB

                  • memory/3096-47-0x0000000006D80000-0x0000000006D8A000-memory.dmp

                    Filesize

                    40KB

                  • memory/3096-51-0x0000000007690000-0x00000000076F6000-memory.dmp

                    Filesize

                    408KB

                  • memory/3096-54-0x0000000007D20000-0x0000000008338000-memory.dmp

                    Filesize

                    6.1MB

                  • memory/3096-61-0x0000000007B30000-0x0000000007B3E000-memory.dmp

                    Filesize

                    56KB

                  • memory/3096-56-0x0000000007790000-0x00000000077CC000-memory.dmp

                    Filesize

                    240KB

                  • memory/3096-57-0x00000000077D0000-0x000000000781C000-memory.dmp

                    Filesize

                    304KB

                  • memory/3096-60-0x0000000008340000-0x0000000008502000-memory.dmp

                    Filesize

                    1.8MB

                  • memory/3096-59-0x0000000007960000-0x0000000007A6A000-memory.dmp

                    Filesize

                    1.0MB

                  • memory/3848-29-0x0000000074F90000-0x0000000075740000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3848-37-0x0000000074F90000-0x0000000075740000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3848-33-0x0000000005920000-0x0000000005932000-memory.dmp

                    Filesize

                    72KB