Analysis

  • max time kernel
    147s
  • max time network
    156s
  • 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, 09:17

General

  • Target
    0222f6bdfd21c41650bcb056f618ee9e4724e722b3abcd8731b92a99167c6f8d.exe
  • Size 856KB
  • Sample240410-k83dtsac62
  • SHA256 0222f6bdfd21c41650bcb056f618ee9e4724e722b3abcd8731b92a99167c6f8d
  • MD5 SHA1 SHA512 SSDEEP

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 23 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0222f6bdfd21c41650bcb056f618ee9e4724e722b3abcd8731b92a99167c6f8d.exe
    "C:\Users\Admin\AppData\Local\Temp\0222f6bdfd21c41650bcb056f618ee9e4724e722b3abcd8731b92a99167c6f8d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Users\Admin\AppData\Local\Temp\0222f6bdfd21c41650bcb056f618ee9e4724e722b3abcd8731b92a99167c6f8d.exe
      C:\Users\Admin\AppData\Local\Temp\0222f6bdfd21c41650bcb056f618ee9e4724e722b3abcd8731b92a99167c6f8d.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:3704
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:1004
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:1180
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:4056
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:1216
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:2628
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:4824
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:4512
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:3232
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:4496
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:2112
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:4296
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:2512
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:2972
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:3092
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:2028
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:2212

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          memory/972-12-0x0000000074B20000-0x00000000752D0000-memory.dmp

                                          memory/972-1-0x0000000074B20000-0x00000000752D0000-memory.dmp

                                          memory/972-2-0x00000000055D0000-0x0000000005B74000-memory.dmp

                                          memory/972-3-0x0000000005100000-0x0000000005192000-memory.dmp

                                          memory/972-4-0x0000000005220000-0x0000000005296000-memory.dmp

                                          memory/972-5-0x00000000050A0000-0x00000000050B0000-memory.dmp

                                          memory/972-6-0x00000000051E0000-0x00000000051EA000-memory.dmp

                                          memory/972-7-0x0000000005540000-0x000000000555E000-memory.dmp

                                          memory/972-8-0x0000000005560000-0x000000000556E000-memory.dmp

                                          memory/972-0-0x0000000000640000-0x000000000071C000-memory.dmp

                                          memory/2156-25-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-45-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-13-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-14-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-21-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-9-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-33-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-34-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-37-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-41-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-11-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-50-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-49-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-53-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-57-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-61-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-66-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-65-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-70-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-69-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-73-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          memory/2156-83-0x0000000000400000-0x00000000004E2000-memory.dmp