Analysis

  • max time kernel
    147s
  • max time network
    154s
  • 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 10:02

General

  • Target

    2762cbc81056348f2816de01e93d43398ba65354252c97928a56031e32ec776f.exe

  • Size

    756KB

  • MD5

    946a1974ec330a30aadb514efe8c394d

  • SHA1

    7af3c242e9dd444a7498de118911b0f5ad49a969

  • SHA256

    2762cbc81056348f2816de01e93d43398ba65354252c97928a56031e32ec776f

  • SHA512

    d3f9c4e976b499e5715a1e3f704010a5a10995c528ead630330ccb9121a23c61bdc4ed6fee09e80895ff9fd4d39c65ce5293d007f73bee0d7da9903dca0d81ea

  • SSDEEP

    12288:DKACDcNptI1p8vFL90+MDOvDVbH2ZKkg6eapQb4spTF+h6Ka0:OACgNnI1p8vFt+MDVr8KkjTpAx+h3b

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 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2762cbc81056348f2816de01e93d43398ba65354252c97928a56031e32ec776f.exe
    "C:\Users\Admin\AppData\Local\Temp\2762cbc81056348f2816de01e93d43398ba65354252c97928a56031e32ec776f.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:3756
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
      2⤵
        PID:2840
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
        2⤵
          PID:2040
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
          2⤵
            PID:3008
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
            2⤵
              PID:3568
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
              2⤵
                PID:2844
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                2⤵
                  PID:4100
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                  2⤵
                    PID:4828
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                    2⤵
                      PID:2308
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                      2⤵
                        PID:2232
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                        2⤵
                          PID:812
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                          2⤵
                            PID:2432
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                            2⤵
                              PID:1944
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                              2⤵
                                PID:2812
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                2⤵
                                  PID:1232
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                  2⤵
                                    PID:5016
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                    2⤵
                                      PID:2588
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                      2⤵
                                        PID:3780

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/3756-1-0x00000000007F0000-0x00000000008F0000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/3756-2-0x0000000002320000-0x00000000023FD000-memory.dmp

                                      Filesize

                                      884KB

                                    • memory/3756-3-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3756-4-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3756-5-0x00000000007F0000-0x00000000008F0000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/3756-7-0x0000000002320000-0x00000000023FD000-memory.dmp

                                      Filesize

                                      884KB

                                    • memory/3756-9-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3756-11-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3756-13-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3756-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3756-17-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3756-19-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB