Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 10:52

General

  • Target

    4d59a7739f15c17f144587762447d5abb81c01f16224a3f7ce5897d1b6f7ee77.exe

  • Size

    1.2MB

  • MD5

    167ac4792548676f7e9b648a5c4b5546

  • SHA1

    90ef8db9cea3d981535659c4fa6b1476744b3834

  • SHA256

    4d59a7739f15c17f144587762447d5abb81c01f16224a3f7ce5897d1b6f7ee77

  • SHA512

    c82120d3075ddcdde8b1450400a051a6552ac11c2aaff768a6985540adf4dc03025c695fda122f9489d5cd532997a6c00c68fe4e2178efbfc7d3fd97363eaba3

  • SSDEEP

    24576:pREbrBR0183uh7E6r5Q7AaJBo3QXerYfro:pGP01CuDNQ7AaJB9MiM

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 21 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d59a7739f15c17f144587762447d5abb81c01f16224a3f7ce5897d1b6f7ee77.exe
    "C:\Users\Admin\AppData\Local\Temp\4d59a7739f15c17f144587762447d5abb81c01f16224a3f7ce5897d1b6f7ee77.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Users\Admin\AppData\Local\Temp\4d59a7739f15c17f144587762447d5abb81c01f16224a3f7ce5897d1b6f7ee77.exe
      C:\Users\Admin\AppData\Local\Temp\4d59a7739f15c17f144587762447d5abb81c01f16224a3f7ce5897d1b6f7ee77.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:2628
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:2592
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:2552
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:2600
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:2464
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:2296
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:2180
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:2948
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:2976
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:828
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:2620
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:1796
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:2684
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:1688
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:1460
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:608
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:2884
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                          3⤵
                                            PID:488
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.doc" /S /B /A
                                            3⤵
                                              PID:1036
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pdf" /S /B /A
                                              3⤵
                                                PID:3044
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppt" /S /B /A
                                                3⤵
                                                  PID:2116
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                                  3⤵
                                                    PID:1712
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.xl" /S /B /A
                                                    3⤵
                                                      PID:2016
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.csv" /S /B /A
                                                      3⤵
                                                        PID:1816
                                                      • C:\Windows\SysWOW64\cmd.exe
                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rtf" /S /B /A
                                                        3⤵
                                                          PID:1532
                                                        • C:\Windows\SysWOW64\cmd.exe
                                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                                          3⤵
                                                            PID:2524
                                                          • C:\Windows\SysWOW64\cmd.exe
                                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.mdb" /S /B /A
                                                            3⤵
                                                              PID:2656
                                                            • C:\Windows\SysWOW64\cmd.exe
                                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.accdb" /S /B /A
                                                              3⤵
                                                                PID:2856
                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pot" /S /B /A
                                                                3⤵
                                                                  PID:2624
                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pps" /S /B /A
                                                                  3⤵
                                                                    PID:3040
                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppa" /S /B /A
                                                                    3⤵
                                                                      PID:2740
                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rar" /S /B /A
                                                                      3⤵
                                                                        PID:2252
                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.zip" /S /B /A
                                                                        3⤵
                                                                          PID:2932
                                                                        • C:\Windows\SysWOW64\cmd.exe
                                                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.tar" /S /B /A
                                                                          3⤵
                                                                            PID:2536
                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.7z" /S /B /A
                                                                            3⤵
                                                                              PID:2500
                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.txt" /S /B /A
                                                                              3⤵
                                                                                PID:892
                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                cmd /c start /min r.bat
                                                                                3⤵
                                                                                  PID:2784
                                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                                    C:\Windows\system32\cmd.exe /K r.bat
                                                                                    4⤵
                                                                                    • Deletes itself
                                                                                    PID:1020
                                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                                      cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
                                                                                      5⤵
                                                                                        PID:2320
                                                                                      • C:\Windows\SysWOW64\taskkill.exe
                                                                                        Taskkill /IM cmd.exe /F
                                                                                        5⤵
                                                                                        • Kills process with taskkill
                                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                                        PID:1780

                                                                              Network

                                                                              MITRE ATT&CK Enterprise v15

                                                                              Replay Monitor

                                                                              Loading Replay Monitor...

                                                                              Downloads

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

                                                                                256B

                                                                                MD5

                                                                                b19c8c48157cbf49b8099ab643f93d0b

                                                                                SHA1

                                                                                5b0aafa60e25375df615a53ca81c995614e9552d

                                                                                SHA256

                                                                                71cec8625adf2417343eb72e203984aa401fbb6d1ab29ac18b04b5ef56482cf5

                                                                                SHA512

                                                                                8cda01bd185c9bf8cedf1c0b7e5fe36e22de59ff70458d0c94a67403ae82dc5c6e1e3c474ff9ea8b701dc9738b207842a57ffdff5d05c83f2ddadc8353b5dff1

                                                                              • memory/2408-0-0x0000000000880000-0x00000000009AC000-memory.dmp
                                                                                Filesize

                                                                                1.2MB

                                                                              • memory/2408-1-0x0000000073F50000-0x000000007463E000-memory.dmp
                                                                                Filesize

                                                                                6.9MB

                                                                              • memory/2408-2-0x00000000003A0000-0x00000000003E0000-memory.dmp
                                                                                Filesize

                                                                                256KB

                                                                              • memory/2408-3-0x0000000000520000-0x0000000000530000-memory.dmp
                                                                                Filesize

                                                                                64KB

                                                                              • memory/2408-7-0x0000000073F50000-0x000000007463E000-memory.dmp
                                                                                Filesize

                                                                                6.9MB

                                                                              • memory/2616-23-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-43-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-9-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-11-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-15-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-19-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-6-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-27-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-31-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-37-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-39-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-8-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-47-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-51-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-55-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-61-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-63-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-67-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-81-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-4-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB

                                                                              • memory/2616-155-0x0000000000400000-0x00000000004E2000-memory.dmp
                                                                                Filesize

                                                                                904KB