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 09:08

General

  • Target

    005d2d373e7ba5ee42010870b9f9bf829213a42b2dd3c4f3f4405c8b904641f2.exe

  • Size

    878KB

  • MD5

    6181cb68aa34a470503452087a63bc1b

  • SHA1

    2b12581fbfcf812b39d00854e71c9ff641d2f79a

  • SHA256

    005d2d373e7ba5ee42010870b9f9bf829213a42b2dd3c4f3f4405c8b904641f2

  • SHA512

    3a5f73cadd2e4af87186707ef6d57883a6242f6f636f37ce1d73ef54bfc3ad690945c86e73753bf17b9e68cd2a8fa4a3766aa07e48d1eec038e5747aa295e91e

  • SSDEEP

    24576:JAHnh+eWsN3skA4RV1Hom2KXMm6ajrB1T5:Qh+ZkldoPK8pajrBv

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.

  • 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\005d2d373e7ba5ee42010870b9f9bf829213a42b2dd3c4f3f4405c8b904641f2.exe
    "C:\Users\Admin\AppData\Local\Temp\005d2d373e7ba5ee42010870b9f9bf829213a42b2dd3c4f3f4405c8b904641f2.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
      2⤵
        PID:1328
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
        2⤵
          PID:2252
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
          2⤵
            PID:2104
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
            2⤵
              PID:2624
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
              2⤵
                PID:2848
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                2⤵
                  PID:2840
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                  2⤵
                    PID:2288
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                    2⤵
                      PID:2460
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                      2⤵
                        PID:2600
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                        2⤵
                          PID:2472
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                          2⤵
                            PID:2440
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                            2⤵
                              PID:2920
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                              2⤵
                                PID:2072
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                2⤵
                                  PID:1568
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                  2⤵
                                    PID:2760
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                    2⤵
                                      PID:2796
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                      2⤵
                                        PID:2916
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                        2⤵
                                          PID:1308
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.doc" /S /B /A
                                          2⤵
                                            PID:1196
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pdf" /S /B /A
                                            2⤵
                                              PID:320
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppt" /S /B /A
                                              2⤵
                                                PID:2268
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                                2⤵
                                                  PID:1724
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.xl" /S /B /A
                                                  2⤵
                                                    PID:2224
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.csv" /S /B /A
                                                    2⤵
                                                      PID:2260
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rtf" /S /B /A
                                                      2⤵
                                                        PID:628
                                                      • C:\Windows\SysWOW64\cmd.exe
                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                                        2⤵
                                                          PID:820
                                                        • C:\Windows\SysWOW64\cmd.exe
                                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.mdb" /S /B /A
                                                          2⤵
                                                            PID:3068
                                                          • C:\Windows\SysWOW64\cmd.exe
                                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.accdb" /S /B /A
                                                            2⤵
                                                              PID:772
                                                            • C:\Windows\SysWOW64\cmd.exe
                                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pot" /S /B /A
                                                              2⤵
                                                                PID:1348
                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pps" /S /B /A
                                                                2⤵
                                                                  PID:1684
                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppa" /S /B /A
                                                                  2⤵
                                                                    PID:1268
                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rar" /S /B /A
                                                                    2⤵
                                                                      PID:1636
                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.zip" /S /B /A
                                                                      2⤵
                                                                        PID:2016
                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.tar" /S /B /A
                                                                        2⤵
                                                                          PID:1160
                                                                        • C:\Windows\SysWOW64\cmd.exe
                                                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.7z" /S /B /A
                                                                          2⤵
                                                                            PID:1704
                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.txt" /S /B /A
                                                                            2⤵
                                                                              PID:2208
                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                              cmd /c start /min r.bat
                                                                              2⤵
                                                                                PID:800
                                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                                  C:\Windows\system32\cmd.exe /K r.bat
                                                                                  3⤵
                                                                                  • Deletes itself
                                                                                  PID:2396
                                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                                    cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
                                                                                    4⤵
                                                                                      PID:1536
                                                                                    • C:\Windows\SysWOW64\taskkill.exe
                                                                                      Taskkill /IM cmd.exe /F
                                                                                      4⤵
                                                                                      • Kills process with taskkill
                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                      PID:2348

                                                                              Network

                                                                              MITRE ATT&CK Enterprise v15

                                                                              Replay Monitor

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                                                                              Downloads

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

                                                                                Filesize

                                                                                256B

                                                                                MD5

                                                                                a09a7bb92927c34a4548a0b4c88aa428

                                                                                SHA1

                                                                                3998221ea22b1b4948496fc756384d50e3f06433

                                                                                SHA256

                                                                                122d047e93f7f0631363884e9acdd1d1cf93ea6f0fccc90a97f961056a20e297

                                                                                SHA512

                                                                                f8c5bf02c8b8512a2d5b605380a9de136c8b84278044a3bbbced514a59813953bc992e93cae2876a41417646bcb5deb99a5e4e656a14c3c3de71dd12a3222505