Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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 13:55

General

  • Target

    bd83e801b836906bab4854351b4d6000e0a435736524a504b9839b5f7bdf97cc.exe

  • Size

    540KB

  • MD5

    fa4d702a335aab44355c84863395617a

  • SHA1

    a2a308cec43c9bea9260243970aa914fb8751707

  • SHA256

    bd83e801b836906bab4854351b4d6000e0a435736524a504b9839b5f7bdf97cc

  • SHA512

    167812dda2ee176797ead9ca7b83bc4ce5d6d6581d98858b3d9b06e3aa9bdec6c578927ffefb3246c3ec33d14c42e269011f91b6b687a5ef35f0184d4d3848f9

  • SSDEEP

    12288:RmE3Pbja+5nDs+4EQG28nPTSabSMhPmpRUVhSh3S7ukH3N6eC2:cENs+4En28nmMkpMSqXN6q

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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd83e801b836906bab4854351b4d6000e0a435736524a504b9839b5f7bdf97cc.exe
    "C:\Users\Admin\AppData\Local\Temp\bd83e801b836906bab4854351b4d6000e0a435736524a504b9839b5f7bdf97cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Users\Admin\AppData\Local\Temp\bd83e801b836906bab4854351b4d6000e0a435736524a504b9839b5f7bdf97cc.exe
      C:\Users\Admin\AppData\Local\Temp\bd83e801b836906bab4854351b4d6000e0a435736524a504b9839b5f7bdf97cc.exe
      2⤵
        PID:1344
      • C:\Users\Admin\AppData\Local\Temp\bd83e801b836906bab4854351b4d6000e0a435736524a504b9839b5f7bdf97cc.exe
        C:\Users\Admin\AppData\Local\Temp\bd83e801b836906bab4854351b4d6000e0a435736524a504b9839b5f7bdf97cc.exe
        2⤵
        • Enumerates connected drives
        • Suspicious use of WriteProcessMemory
        PID:1652
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
          3⤵
            PID:4656
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
            3⤵
              PID:1896
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
              3⤵
                PID:4816
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                3⤵
                  PID:4144
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                  3⤵
                    PID:4136
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                    3⤵
                      PID:5032
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                      3⤵
                        PID:1352
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                        3⤵
                          PID:4988
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                          3⤵
                            PID:4152
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                            3⤵
                              PID:4336
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                              3⤵
                                PID:4120
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                                3⤵
                                  PID:3652
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                  3⤵
                                    PID:1036
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                    3⤵
                                      PID:3092
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                      3⤵
                                        PID:4344
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                        3⤵
                                          PID:3368
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                          3⤵
                                            PID:3760
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                            3⤵
                                              PID:1716

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • memory/1444-14-0x0000000074930000-0x00000000750E0000-memory.dmp

                                          Filesize

                                          7.7MB

                                        • memory/1444-0-0x0000000000740000-0x00000000007CC000-memory.dmp

                                          Filesize

                                          560KB

                                        • memory/1444-2-0x0000000005750000-0x0000000005CF4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/1444-3-0x0000000005240000-0x00000000052D2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/1444-4-0x00000000052E0000-0x0000000005356000-memory.dmp

                                          Filesize

                                          472KB

                                        • memory/1444-5-0x00000000054D0000-0x00000000054E0000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/1444-6-0x00000000051D0000-0x00000000051DA000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/1444-7-0x0000000005480000-0x000000000549E000-memory.dmp

                                          Filesize

                                          120KB

                                        • memory/1444-8-0x0000000005670000-0x00000000056EA000-memory.dmp

                                          Filesize

                                          488KB

                                        • memory/1444-9-0x0000000005460000-0x000000000546E000-memory.dmp

                                          Filesize

                                          56KB

                                        • memory/1444-1-0x0000000074930000-0x00000000750E0000-memory.dmp

                                          Filesize

                                          7.7MB

                                        • memory/1652-22-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-37-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-13-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-17-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-10-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-21-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-25-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-29-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-34-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-33-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-12-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-41-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-49-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-50-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-53-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-57-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-61-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-65-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-66-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-69-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-73-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/1652-87-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB