Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 13:32

General

  • Target

    b0b4550ba09080e02c8a15cec8b5aeaa9fbb193cec1d92c793bdede78a70cec6.exe

  • Size

    588KB

  • MD5

    89aafef2f334d6349d3d850e7f68f10f

  • SHA1

    97b4b5f19be70177dc5f867ed580478c9dc7e2b6

  • SHA256

    b0b4550ba09080e02c8a15cec8b5aeaa9fbb193cec1d92c793bdede78a70cec6

  • SHA512

    b44bcba8e659678938aa21bd1a9d74706e80564020dc1826d38e2aadde946a22180174e777406648601daad09a79a8621778d84c0a26480dd81348d5cc58320e

  • SSDEEP

    12288:DpTALXjWMzp7E9Yy+PIPx2TQ1RABd89XBJm3QXNOZJxRYE601YljkWhM6A+:DpT2h7E6r5Q7AaJBo3QXerYfjT

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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0b4550ba09080e02c8a15cec8b5aeaa9fbb193cec1d92c793bdede78a70cec6.exe
    "C:\Users\Admin\AppData\Local\Temp\b0b4550ba09080e02c8a15cec8b5aeaa9fbb193cec1d92c793bdede78a70cec6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\b0b4550ba09080e02c8a15cec8b5aeaa9fbb193cec1d92c793bdede78a70cec6.exe
      C:\Users\Admin\AppData\Local\Temp\b0b4550ba09080e02c8a15cec8b5aeaa9fbb193cec1d92c793bdede78a70cec6.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:4412
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:1124
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:452
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:2920
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:5012
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:1496
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:696
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:1624
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:4080
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:3300
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:2812
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:4912
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:3964
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:4568
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:1332
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:3604
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:4360
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                          3⤵
                                            PID:4108

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/1808-45-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-49-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-87-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-21-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-73-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-69-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-65-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-25-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-61-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-10-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-9-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-12-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-54-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-29-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-17-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-53-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-42-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-14-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-34-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-33-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-37-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/1808-41-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2940-7-0x0000000002460000-0x000000000247E000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/2940-0-0x0000000000050000-0x00000000000E8000-memory.dmp

                                        Filesize

                                        608KB

                                      • memory/2940-1-0x0000000074A00000-0x00000000751B0000-memory.dmp

                                        Filesize

                                        7.7MB

                                      • memory/2940-3-0x0000000006FA0000-0x0000000007032000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2940-13-0x0000000074A00000-0x00000000751B0000-memory.dmp

                                        Filesize

                                        7.7MB

                                      • memory/2940-8-0x00000000024C0000-0x00000000024D0000-memory.dmp

                                        Filesize

                                        64KB

                                      • memory/2940-6-0x0000000007210000-0x0000000007286000-memory.dmp

                                        Filesize

                                        472KB

                                      • memory/2940-5-0x0000000007060000-0x000000000706A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2940-4-0x0000000007200000-0x0000000007210000-memory.dmp

                                        Filesize

                                        64KB

                                      • memory/2940-2-0x00000000074A0000-0x0000000007A44000-memory.dmp

                                        Filesize

                                        5.6MB