Analysis

  • max time kernel
    92s
  • max time network
    95s
  • 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 12:54

General

  • Target

    9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe

  • Size

    737KB

  • MD5

    22840909e11530390e8f74c6a162ded1

  • SHA1

    78d82f0ff396393e958553f25a47145916ea4e39

  • SHA256

    9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e

  • SHA512

    2a2214dc48b6942b19e439db189a9b2e7df6d91c26b24692fe370d552c70e828cb6d4ac344dc2fe36e08b0752e4ae8886f4d1f3f45970a65eaebae2d3069c130

  • SSDEEP

    12288:tSQzdvYJ2Eao8pD3KamK4LMfjATKdyevFQZHX457m06BWu8Im3:IQzVYYe8B3qKkIjIKdyev6HIiNW9P

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

  • 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 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Program crash 1 IoCs
  • 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\9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
    "C:\Users\Admin\AppData\Local\Temp\9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
      2⤵
        PID:672
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
        2⤵
          PID:1524
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
          2⤵
            PID:4864
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
            2⤵
              PID:4812
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
              2⤵
                PID:2752
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                2⤵
                  PID:4212
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                  2⤵
                    PID:3436
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                    2⤵
                      PID:2496
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                      2⤵
                        PID:2804
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                        2⤵
                          PID:1488
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                          2⤵
                            PID:4636
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                            2⤵
                              PID:2140
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                              2⤵
                                PID:3168
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                2⤵
                                  PID:2712
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                  2⤵
                                    PID:1824
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                    2⤵
                                      PID:4168
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                      2⤵
                                        PID:4320
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.doc" /S /B /A
                                        2⤵
                                          PID:2272
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pdf" /S /B /A
                                          2⤵
                                            PID:4328
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppt" /S /B /A
                                            2⤵
                                              PID:4892
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                              2⤵
                                                PID:4888
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.xl" /S /B /A
                                                2⤵
                                                  PID:1864
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.csv" /S /B /A
                                                  2⤵
                                                    PID:3212
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rtf" /S /B /A
                                                    2⤵
                                                      PID:3232
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
                                                      2⤵
                                                        PID:112
                                                      • C:\Windows\SysWOW64\cmd.exe
                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.mdb" /S /B /A
                                                        2⤵
                                                          PID:468
                                                        • C:\Windows\SysWOW64\cmd.exe
                                                          C:\Windows\system32\cmd.exe /U /C DIR "f:\*.accdb" /S /B /A
                                                          2⤵
                                                            PID:804
                                                          • C:\Windows\SysWOW64\cmd.exe
                                                            C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pot" /S /B /A
                                                            2⤵
                                                              PID:764
                                                            • C:\Windows\SysWOW64\cmd.exe
                                                              C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pps" /S /B /A
                                                              2⤵
                                                                PID:4696
                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppa" /S /B /A
                                                                2⤵
                                                                  PID:1392
                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rar" /S /B /A
                                                                  2⤵
                                                                    PID:916
                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                    C:\Windows\system32\cmd.exe /U /C DIR "f:\*.zip" /S /B /A
                                                                    2⤵
                                                                      PID:4636
                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                      C:\Windows\system32\cmd.exe /U /C DIR "f:\*.tar" /S /B /A
                                                                      2⤵
                                                                        PID:3560
                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                        C:\Windows\system32\cmd.exe /U /C DIR "f:\*.7z" /S /B /A
                                                                        2⤵
                                                                          PID:5040
                                                                        • C:\Windows\SysWOW64\cmd.exe
                                                                          cmd /c start /min r.bat
                                                                          2⤵
                                                                            PID:3352
                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                              C:\Windows\system32\cmd.exe /K r.bat
                                                                              3⤵
                                                                                PID:3184
                                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                                  cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
                                                                                  4⤵
                                                                                    PID:4576
                                                                                  • C:\Windows\SysWOW64\taskkill.exe
                                                                                    Taskkill /IM cmd.exe /F
                                                                                    4⤵
                                                                                    • Kills process with taskkill
                                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                                    PID:1520
                                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 2004
                                                                                2⤵
                                                                                • Program crash
                                                                                PID:4392
                                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4952 -ip 4952
                                                                              1⤵
                                                                                PID:4608

                                                                              Network

                                                                              MITRE ATT&CK Enterprise v15

                                                                              Replay Monitor

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                                                                              Downloads

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

                                                                                Filesize

                                                                                256B

                                                                                MD5

                                                                                94fc7c014e50a09fdf04eeaa23c096de

                                                                                SHA1

                                                                                37c5bbf0678e876aff08d82c1db6bdbde38c937b

                                                                                SHA256

                                                                                ca912e401fb1c5bf6deccf0cb5771fe34ba1b966468d3b9e8202a312a934348c

                                                                                SHA512

                                                                                8a9b58845be4bf56341472dc3df978ceb46e0e34cc62a6171f9fb64e173db1125472eeccebc16c2951ae75fcae702d1955de77f13aa4514e7ab1f06903548712

                                                                              • memory/4952-1-0x0000000001A60000-0x0000000001B60000-memory.dmp

                                                                                Filesize

                                                                                1024KB

                                                                              • memory/4952-2-0x0000000001D60000-0x0000000001E3D000-memory.dmp

                                                                                Filesize

                                                                                884KB

                                                                              • memory/4952-3-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                                Filesize

                                                                                19.9MB

                                                                              • memory/4952-6-0x0000000000400000-0x00000000017F2000-memory.dmp

                                                                                Filesize

                                                                                19.9MB

                                                                              • memory/4952-7-0x0000000001D60000-0x0000000001E3D000-memory.dmp

                                                                                Filesize

                                                                                884KB