Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 12:54

General

  • Target

    9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe

  • Size

    737KB

  • MD5

    22840909e11530390e8f74c6a162ded1

  • SHA1

    78d82f0ff396393e958553f25a47145916ea4e39

  • SHA256

    9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e

  • SHA512

    2a2214dc48b6942b19e439db189a9b2e7df6d91c26b24692fe370d552c70e828cb6d4ac344dc2fe36e08b0752e4ae8886f4d1f3f45970a65eaebae2d3069c130

  • SSDEEP

    12288:tSQzdvYJ2Eao8pD3KamK4LMfjATKdyevFQZHX457m06BWu8Im3:IQzVYYe8B3qKkIjIKdyev6HIiNW9P

Malware Config

Signatures

  • OutSteel

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

  • OutSteel batch script 1 IoCs

    Detects batch script dropped by OutSteel

  • Deletes itself 1 IoCs
  • 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 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
    "C:\Users\Admin\AppData\Local\Temp\9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
      2⤵
        PID:1724
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
        2⤵
          PID:2392
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
          2⤵
            PID:2792
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
            2⤵
              PID:1272
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
              2⤵
                PID:2560
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                2⤵
                  PID:2564
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                  2⤵
                    PID:2648
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                    2⤵
                      PID:2076
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                      2⤵
                        PID:1512
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                        2⤵
                          PID:2480
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                          2⤵
                            PID:2568
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                            2⤵
                              PID:2448
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                              2⤵
                                PID:2532
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                2⤵
                                  PID:2880
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                  2⤵
                                    PID:2872
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                    2⤵
                                      PID:884
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                      2⤵
                                        PID:472
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.doc" /S /B /A
                                        2⤵
                                          PID:1048
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pdf" /S /B /A
                                          2⤵
                                            PID:1644
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppt" /S /B /A
                                            2⤵
                                              PID:1836
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                              2⤵
                                                PID:692
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.xl" /S /B /A
                                                2⤵
                                                  PID:1124
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.csv" /S /B /A
                                                  2⤵
                                                    PID:2132
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rtf" /S /B /A
                                                    2⤵
                                                      PID:1884
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                                      2⤵
                                                        PID:964
                                                      • C:\Windows\SysWOW64\cmd.exe
                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.mdb" /S /B /A
                                                        2⤵
                                                          PID:1640
                                                        • C:\Windows\SysWOW64\cmd.exe
                                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.accdb" /S /B /A
                                                          2⤵
                                                            PID:1656
                                                          • C:\Windows\SysWOW64\cmd.exe
                                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pot" /S /B /A
                                                            2⤵
                                                              PID:3040
                                                            • C:\Windows\SysWOW64\cmd.exe
                                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pps" /S /B /A
                                                              2⤵
                                                                PID:2328
                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppa" /S /B /A
                                                                2⤵
                                                                  PID:836
                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rar" /S /B /A
                                                                  2⤵
                                                                    PID:2996
                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.zip" /S /B /A
                                                                    2⤵
                                                                      PID:1284
                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.tar" /S /B /A
                                                                      2⤵
                                                                        PID:1988
                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.7z" /S /B /A
                                                                        2⤵
                                                                          PID:1588
                                                                        • C:\Windows\SysWOW64\cmd.exe
                                                                          cmd /c start /min r.bat
                                                                          2⤵
                                                                            PID:2924
                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                              C:\Windows\system32\cmd.exe /K r.bat
                                                                              3⤵
                                                                              • Deletes itself
                                                                              PID:2360
                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
                                                                                4⤵
                                                                                  PID:2392
                                                                                • C:\Windows\SysWOW64\taskkill.exe
                                                                                  Taskkill /IM cmd.exe /F
                                                                                  4⤵
                                                                                  • Kills process with taskkill
                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                  PID:2356

                                                                          Network

                                                                          MITRE ATT&CK Enterprise v15

                                                                          Replay Monitor

                                                                          Loading Replay Monitor...

                                                                          Downloads

                                                                          • C:\Users\Admin\AppData\Local\Temp\r.bat

                                                                            Filesize

                                                                            256B

                                                                            MD5

                                                                            94fc7c014e50a09fdf04eeaa23c096de

                                                                            SHA1

                                                                            37c5bbf0678e876aff08d82c1db6bdbde38c937b

                                                                            SHA256

                                                                            ca912e401fb1c5bf6deccf0cb5771fe34ba1b966468d3b9e8202a312a934348c

                                                                            SHA512

                                                                            8a9b58845be4bf56341472dc3df978ceb46e0e34cc62a6171f9fb64e173db1125472eeccebc16c2951ae75fcae702d1955de77f13aa4514e7ab1f06903548712

                                                                          • memory/2864-5-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-9-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-4-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-6-0x00000000018C0000-0x00000000019C0000-memory.dmp

                                                                            Filesize

                                                                            1024KB

                                                                          • memory/2864-7-0x00000000019C0000-0x0000000001A9D000-memory.dmp

                                                                            Filesize

                                                                            884KB

                                                                          • memory/2864-2-0x00000000019C0000-0x0000000001A9D000-memory.dmp

                                                                            Filesize

                                                                            884KB

                                                                          • memory/2864-8-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-3-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-10-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-11-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-12-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-13-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-15-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                            Filesize

                                                                            19.9MB

                                                                          • memory/2864-1-0x00000000018C0000-0x00000000019C0000-memory.dmp

                                                                            Filesize

                                                                            1024KB