Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 10:28

General

  • Target

    3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe

  • Size

    614KB

  • MD5

    124f0b9dadbef030a4cba26393ce25df

  • SHA1

    15479f31109fd0a367ad681fb3ee63c6fb0ade0a

  • SHA256

    3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db

  • SHA512

    7ef9d49f28d1728a6ef58a9a2d39848dee0f08184b202aeb65460869fed35e6f99466d9bce8cb6582fd4089bc63af95216c1252af1f2a3dd2c24e43546352a74

  • SSDEEP

    12288:s9tmvboNKAM9qPg6f0blJwoodEJLaCyi5yHkm5pB1q8z483d+N3SZ:s9mENKAiGolJwooKJVy8ypB1XYN3SZ

Malware Config

Signatures

  • OutSteel

    OutSteel is a file uploader and document stealer written in AutoIT.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 24 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe
    "C:\Users\Admin\AppData\Local\Temp\3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Users\Admin\AppData\Local\Temp\3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe
      C:\Users\Admin\AppData\Local\Temp\3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:5844
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:3084
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:3476
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:4008
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:4568
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:2328
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:4388
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:2692
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:5124
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:3816
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:1704
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:3180
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:3772
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:4664
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:5552
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:1420
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:1644
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                          3⤵
                                            PID:5516
                                      • 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=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
                                        1⤵
                                          PID:2164

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • memory/2184-24-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-53-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-86-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-72-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-69-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-68-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-64-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-28-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-8-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-9-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-11-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-60-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-13-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-33-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-16-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-20-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-52-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-49-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-14-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-32-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-37-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-40-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-44-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/2184-48-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/5004-7-0x00000000055C0000-0x00000000055DE000-memory.dmp

                                          Filesize

                                          120KB

                                        • memory/5004-1-0x00000000008C0000-0x000000000095C000-memory.dmp

                                          Filesize

                                          624KB

                                        • memory/5004-3-0x0000000074D00000-0x00000000754B0000-memory.dmp

                                          Filesize

                                          7.7MB

                                        • memory/5004-12-0x0000000074D00000-0x00000000754B0000-memory.dmp

                                          Filesize

                                          7.7MB

                                        • memory/5004-6-0x0000000005600000-0x0000000005676000-memory.dmp

                                          Filesize

                                          472KB

                                        • memory/5004-5-0x00000000053C0000-0x00000000053D4000-memory.dmp

                                          Filesize

                                          80KB

                                        • memory/5004-4-0x0000000005400000-0x0000000005410000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/5004-0-0x0000000074D00000-0x00000000754B0000-memory.dmp

                                          Filesize

                                          7.7MB

                                        • memory/5004-2-0x0000000005400000-0x0000000005410000-memory.dmp

                                          Filesize

                                          64KB