Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 15:09

General

  • Target

    ff07325f5454c46e883fefc7106829f75c27e3aaf312eb3ab50525faba51c23c.exe

  • Size

    990KB

  • MD5

    c96cfe462657240c155d4b1842292a4c

  • SHA1

    e94483c338213c667720a44d89c12a3f50547c71

  • SHA256

    ff07325f5454c46e883fefc7106829f75c27e3aaf312eb3ab50525faba51c23c

  • SHA512

    7c8b24dcd2a5d7227ba25bcbc23fda63f851f5bf71662201c4bd237f0a94ad1f20a877ab7276a4cd22fba0068a5df3dd7de9a33f6afffe2fb13c7d477cce798e

  • SSDEEP

    12288:9GRx1eEHiQ5/lLXYsQwYfKu+eYbVcOoUv5hKo9HdwQCQBC7rD8kkSuEdz5s61qj:1EHiQf5+fZ+eYxcZO1jo7XuEDs9

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 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff07325f5454c46e883fefc7106829f75c27e3aaf312eb3ab50525faba51c23c.exe
    "C:\Users\Admin\AppData\Local\Temp\ff07325f5454c46e883fefc7106829f75c27e3aaf312eb3ab50525faba51c23c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Users\Admin\AppData\Local\Temp\ff07325f5454c46e883fefc7106829f75c27e3aaf312eb3ab50525faba51c23c.exe
      C:\Users\Admin\AppData\Local\Temp\ff07325f5454c46e883fefc7106829f75c27e3aaf312eb3ab50525faba51c23c.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:3732
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:412
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:5072
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:1384
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:4328
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:408
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:1844
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:4268
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:4848
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:740
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:2952
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:4768
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:2684
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:4484
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:3984
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:2280
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:1940
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:2660

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/60-11-0x0000000075170000-0x0000000075920000-memory.dmp

                                      Filesize

                                      7.7MB

                                    • memory/60-1-0x0000000075170000-0x0000000075920000-memory.dmp

                                      Filesize

                                      7.7MB

                                    • memory/60-2-0x0000000005590000-0x0000000005B34000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/60-3-0x0000000005080000-0x0000000005112000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/60-4-0x0000000005070000-0x0000000005080000-memory.dmp

                                      Filesize

                                      64KB

                                    • memory/60-5-0x0000000005050000-0x000000000505A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/60-6-0x0000000005410000-0x0000000005432000-memory.dmp

                                      Filesize

                                      136KB

                                    • memory/60-0-0x0000000000540000-0x000000000063C000-memory.dmp

                                      Filesize

                                      1008KB

                                    • memory/3732-27-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-47-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-9-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-12-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-13-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-7-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-31-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-35-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-39-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-43-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-10-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-48-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-51-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-52-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-55-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-59-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-63-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-64-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-67-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-71-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-72-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB

                                    • memory/3732-81-0x0000000000400000-0x00000000004E2000-memory.dmp

                                      Filesize

                                      904KB