Analysis

  • max time kernel
    147s
  • max time network
    175s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 10:05

General

  • Target

    2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe

  • Size

    731KB

  • MD5

    a92bd5072f0e3e683be1b27117df76d7

  • SHA1

    a80db2f724e6d10c4b704f8e221c0946f5a12ad8

  • SHA256

    2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca

  • SHA512

    0b48fdc20d3d3aae604a333f708bb5d4bbdd79be7e6059e703654aa31e8e362b240fa290c386a9e86ab0ffbc4d875a24c77fae8b1ef3466b347206c085782dd4

  • SSDEEP

    12288:D9y9tmvboNKAM9qPg6f0blJwoodEJLaCyi5yHi1+xuQD6rCPUh/rYbhS:U9mENKAiGolJwooKJVy8+oQDkCPUhk1S

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 14 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\2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe
    "C:\Users\Admin\AppData\Local\Temp\2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe
      C:\Users\Admin\AppData\Local\Temp\2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:2416
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:2320
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:2176
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:772
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:568
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:2628
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:2476
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:2316
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:932
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:2644
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:2632
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:1616
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:1756
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:2296
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:2896
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:1104
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:1540
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                          3⤵
                                            PID:1344

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/2540-6-0x0000000074B00000-0x00000000751EE000-memory.dmp

                                        Filesize

                                        6.9MB

                                      • memory/2540-1-0x0000000074B00000-0x00000000751EE000-memory.dmp

                                        Filesize

                                        6.9MB

                                      • memory/2540-2-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

                                        Filesize

                                        256KB

                                      • memory/2540-3-0x00000000003D0000-0x00000000003E6000-memory.dmp

                                        Filesize

                                        88KB

                                      • memory/2540-0-0x0000000001330000-0x00000000013EA000-memory.dmp

                                        Filesize

                                        744KB

                                      • memory/2548-9-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-27-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-8-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-4-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-11-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-23-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-7-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-31-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-43-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-47-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-59-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-63-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB

                                      • memory/2548-81-0x0000000000400000-0x00000000004E2000-memory.dmp

                                        Filesize

                                        904KB