Analysis

  • max time kernel
    147s
  • max time network
    151s
  • 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 12:06

General

  • Target

    7963f8606e4c0e7502a813969a04e1266e7cd20708bef19c338e8933c1b85eda.exe

  • Size

    1.0MB

  • MD5

    61a3d983a1fde813204b8f6f13842163

  • SHA1

    336a3a59b782b49c2253bd0afeefdb43b24f70b6

  • SHA256

    7963f8606e4c0e7502a813969a04e1266e7cd20708bef19c338e8933c1b85eda

  • SHA512

    a6cdbc9faae3f9d989d9c5f165dd56c3822997e463bbc924b61067fb1b1719b14ec8d60a4046ade564bdc310dd6177dfa8e84d04a0ac9226cd3f1cfdeb2adbe9

  • SSDEEP

    12288:nvW7y+BSA6ZcQZlQM/vK9joU9FL5MigDv/A1S5Ag5zybvDMWCFBiVr3bmpXptcv1:nuJ6yQZnKJoWFGiAES5afueDypXfcv1

Malware Config

Signatures

  • OutSteel

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

  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7963f8606e4c0e7502a813969a04e1266e7cd20708bef19c338e8933c1b85eda.exe
    "C:\Users\Admin\AppData\Local\Temp\7963f8606e4c0e7502a813969a04e1266e7cd20708bef19c338e8933c1b85eda.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Users\Admin\AppData\Local\Temp\7963f8606e4c0e7502a813969a04e1266e7cd20708bef19c338e8933c1b85eda.exe
      "C:\Users\Admin\AppData\Local\Temp\7963f8606e4c0e7502a813969a04e1266e7cd20708bef19c338e8933c1b85eda.exe"
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:3784
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:2084
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:456
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:1064
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:5088
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:4848
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:1008
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:2264
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:4384
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:4048
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:3144
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:2688
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:3708
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:4064
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:1192
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:4988
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:1436

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/1548-16-0x0000000074D90000-0x0000000075540000-memory.dmp

                                      Filesize

                                      7.7MB

                                    • memory/1548-0-0x0000000000750000-0x0000000000858000-memory.dmp

                                      Filesize

                                      1.0MB

                                    • memory/1548-2-0x00000000051F0000-0x000000000528C000-memory.dmp

                                      Filesize

                                      624KB

                                    • memory/1548-3-0x00000000058E0000-0x0000000005E84000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1548-4-0x00000000053D0000-0x0000000005462000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1548-5-0x00000000052E0000-0x00000000052F0000-memory.dmp

                                      Filesize

                                      64KB

                                    • memory/1548-6-0x00000000058B0000-0x00000000058D8000-memory.dmp

                                      Filesize

                                      160KB

                                    • memory/1548-7-0x0000000006980000-0x00000000069E6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/1548-8-0x0000000006940000-0x0000000006962000-memory.dmp

                                      Filesize

                                      136KB

                                    • memory/1548-9-0x00000000052E0000-0x00000000052F0000-memory.dmp

                                      Filesize

                                      64KB

                                    • memory/1548-10-0x00000000071D0000-0x00000000071E4000-memory.dmp

                                      Filesize

                                      80KB

                                    • memory/1548-11-0x00000000097F0000-0x00000000097F6000-memory.dmp

                                      Filesize

                                      24KB

                                    • memory/1548-1-0x0000000074D90000-0x0000000075540000-memory.dmp

                                      Filesize

                                      7.7MB

                                    • memory/2896-20-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-36-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-14-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-17-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-18-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-12-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-25-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-24-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-28-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-32-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-37-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-44-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-48-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-52-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-53-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-56-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-60-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-64-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-69-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-68-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-72-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-76-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/2896-86-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB