Analysis

  • max time kernel
    142s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 10:43

General

  • Target

    476ee9c0b7f7f864b169f0d1beb1a3bbcc7dbab1bae7d7f77ee69e22ad25ff66.exe

  • Size

    725KB

  • MD5

    b0b058100c052c94d700fbbd8497a35d

  • SHA1

    0797cda90de0c745ea47e95ff56c19aa0afa3c86

  • SHA256

    476ee9c0b7f7f864b169f0d1beb1a3bbcc7dbab1bae7d7f77ee69e22ad25ff66

  • SHA512

    8e4d4e3d72cd1b52254a8ddfd5aca4bc1bfdc0858e4a67ee386b7dec37d03f488c09772c953ea3aabdccd75a17646359c691db6f3096579ac22051e42977b0d2

  • SSDEEP

    12288:UbcggEUzrNSLSX0IHENHfNhfpAGN56Ud26t3LhZ96qejwn22q5iDoTm366DsiErz:AVUHyfqa26t7hmxjw2r5iD86DsMemEFn

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 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\476ee9c0b7f7f864b169f0d1beb1a3bbcc7dbab1bae7d7f77ee69e22ad25ff66.exe
    "C:\Users\Admin\AppData\Local\Temp\476ee9c0b7f7f864b169f0d1beb1a3bbcc7dbab1bae7d7f77ee69e22ad25ff66.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
      2⤵
        PID:3004
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
        2⤵
          PID:2616
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
          2⤵
            PID:2276
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
            2⤵
              PID:2692
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
              2⤵
                PID:2788
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                2⤵
                  PID:2744
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                  2⤵
                    PID:2636
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                    2⤵
                      PID:2480
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                      2⤵
                        PID:2428
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                        2⤵
                          PID:2508
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                          2⤵
                            PID:2004
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                            2⤵
                              PID:2968
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                              2⤵
                                PID:2740
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                2⤵
                                  PID:2816
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                  2⤵
                                    PID:2860
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                    2⤵
                                      PID:2060
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                      2⤵
                                        PID:2672

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/1592-1-0x00000000002E0000-0x00000000003E0000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/1592-3-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/1592-2-0x0000000000560000-0x000000000063D000-memory.dmp

                                      Filesize

                                      884KB

                                    • memory/1592-4-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/1592-6-0x0000000000560000-0x000000000063D000-memory.dmp

                                      Filesize

                                      884KB

                                    • memory/1592-7-0x00000000002E0000-0x00000000003E0000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/1592-8-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/1592-10-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/1592-12-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/1592-14-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/1592-16-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/1592-18-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB