Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 09:33

General

  • Target

    0e1e2f87699a24d1d7b0d984c3622971028a0cafaf665c791c70215f76c7c8fe.exe

  • Size

    598KB

  • MD5

    e4855693722de3856421b1b6920ba54d

  • SHA1

    9c50313f3b6d84a2b063d0acca64417bfe283d6d

  • SHA256

    0e1e2f87699a24d1d7b0d984c3622971028a0cafaf665c791c70215f76c7c8fe

  • SHA512

    5373fc8ac2839520492ac6fa03758ad9781c7a840b9091dba4e3b0f197519e7343de434f2e10ff55e85be8eea1f6f425e4b2f6a343b374852011c02ad70fbba5

  • SSDEEP

    12288:DsUwIuFHm5rgI6nU3jmUd0/ubH8dFZwB/aJ/0S:dduFIonUz0/umF6Vmj

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 11 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\0e1e2f87699a24d1d7b0d984c3622971028a0cafaf665c791c70215f76c7c8fe.exe
    "C:\Users\Admin\AppData\Local\Temp\0e1e2f87699a24d1d7b0d984c3622971028a0cafaf665c791c70215f76c7c8fe.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
      2⤵
        PID:2256
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
        2⤵
          PID:1336
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
          2⤵
            PID:2828
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
            2⤵
              PID:1616
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
              2⤵
                PID:2512
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                2⤵
                  PID:2636
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                  2⤵
                    PID:2532
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                    2⤵
                      PID:2652
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                      2⤵
                        PID:2444
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                        2⤵
                          PID:2544
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                          2⤵
                            PID:2520
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                            2⤵
                              PID:2424
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                              2⤵
                                PID:1036
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                2⤵
                                  PID:2984
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                  2⤵
                                    PID:1832
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                    2⤵
                                      PID:1800
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                      2⤵
                                        PID:1436
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.doc" /S /B /A
                                        2⤵
                                          PID:2112
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pdf" /S /B /A
                                          2⤵
                                            PID:940
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppt" /S /B /A
                                            2⤵
                                              PID:1420
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                              2⤵
                                                PID:1712
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.xl" /S /B /A
                                                2⤵
                                                  PID:1148
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.csv" /S /B /A
                                                  2⤵
                                                    PID:2348
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rtf" /S /B /A
                                                    2⤵
                                                      PID:1684
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                                      2⤵
                                                        PID:1460
                                                      • C:\Windows\SysWOW64\cmd.exe
                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.mdb" /S /B /A
                                                        2⤵
                                                          PID:1480
                                                        • C:\Windows\SysWOW64\cmd.exe
                                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.accdb" /S /B /A
                                                          2⤵
                                                            PID:1380
                                                          • C:\Windows\SysWOW64\cmd.exe
                                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pot" /S /B /A
                                                            2⤵
                                                              PID:1564
                                                            • C:\Windows\SysWOW64\cmd.exe
                                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pps" /S /B /A
                                                              2⤵
                                                                PID:2988
                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppa" /S /B /A
                                                                2⤵
                                                                  PID:2392
                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rar" /S /B /A
                                                                  2⤵
                                                                    PID:2956
                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.zip" /S /B /A
                                                                    2⤵
                                                                      PID:2076
                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.tar" /S /B /A
                                                                      2⤵
                                                                        PID:2236
                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.7z" /S /B /A
                                                                        2⤵
                                                                          PID:2756
                                                                        • C:\Windows\SysWOW64\cmd.exe
                                                                          cmd /c start /min r.bat
                                                                          2⤵
                                                                            PID:2940
                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                              C:\Windows\system32\cmd.exe /K r.bat
                                                                              3⤵
                                                                              • Deletes itself
                                                                              PID:912
                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
                                                                                4⤵
                                                                                  PID:1804
                                                                                • C:\Windows\SysWOW64\taskkill.exe
                                                                                  Taskkill /IM cmd.exe /F
                                                                                  4⤵
                                                                                  • Kills process with taskkill
                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                  PID:2252

                                                                          Network

                                                                          MITRE ATT&CK Enterprise v15

                                                                          Replay Monitor

                                                                          Loading Replay Monitor...

                                                                          Downloads

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

                                                                            Filesize

                                                                            256B

                                                                            MD5

                                                                            247b66f7f0a0cf9608613ef7b2ef16c8

                                                                            SHA1

                                                                            74e800d60a5f4b78d6f915064653b1dcdc56c4e0

                                                                            SHA256

                                                                            d82b4c757010ff02a446a165fef433c996a4a7d69984ef25a6f832e643d295ce

                                                                            SHA512

                                                                            a6b5c27c2a81490f98403c9ee464e6e24c73c27bd6996f1b0a2f001921c685e3f60e0fb057371958b6570de5f981b58f9256d90021b2daa619294a955ea74432

                                                                          • memory/2832-7-0x0000000000270000-0x000000000034D000-memory.dmp

                                                                            Filesize

                                                                            884KB

                                                                          • memory/2832-3-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-4-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-5-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-6-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

                                                                            Filesize

                                                                            1024KB

                                                                          • memory/2832-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

                                                                            Filesize

                                                                            1024KB

                                                                          • memory/2832-8-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-9-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-10-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-11-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-12-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-14-0x0000000000400000-0x0000000002C06000-memory.dmp

                                                                            Filesize

                                                                            40.0MB

                                                                          • memory/2832-2-0x0000000000270000-0x000000000034D000-memory.dmp

                                                                            Filesize

                                                                            884KB