Analysis

  • max time kernel
    4294211s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    28-02-2022 03:20

General

  • Target

    3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe

  • Size

    614KB

  • MD5

    124f0b9dadbef030a4cba26393ce25df

  • SHA1

    15479f31109fd0a367ad681fb3ee63c6fb0ade0a

  • SHA256

    3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db

  • SHA512

    7ef9d49f28d1728a6ef58a9a2d39848dee0f08184b202aeb65460869fed35e6f99466d9bce8cb6582fd4089bc63af95216c1252af1f2a3dd2c24e43546352a74

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 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 2 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\3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe
    "C:\Users\Admin\AppData\Local\Temp\3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe
      C:\Users\Admin\AppData\Local\Temp\3d7a05e7ba9b3dd84017acab9aab59b459db6c50e9224ec1827cbf0a2aee47db.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:460
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:1688
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:1252
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:560
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:1096
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:1952
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:1148
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:1676
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:1636
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:988
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:932
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:552
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:1772
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:1672
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:856
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:1960
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:1420
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:1592
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                          3⤵
                                            PID:588

                                      Network

                                      MITRE ATT&CK Matrix ATT&CK v6

                                      Credential Access

                                      Credentials in Files

                                      1
                                      T1081

                                      Discovery

                                      Query Registry

                                      1
                                      T1012

                                      Peripheral Device Discovery

                                      1
                                      T1120

                                      System Information Discovery

                                      1
                                      T1082

                                      Collection

                                      Data from Local System

                                      1
                                      T1005

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/460-58-0x0000000000400000-0x00000000004E2000-memory.dmp
                                        Filesize

                                        904KB

                                      • memory/460-59-0x0000000075CC1000-0x0000000075CC3000-memory.dmp
                                        Filesize

                                        8KB

                                      • memory/460-60-0x0000000000400000-0x00000000004E2000-memory.dmp
                                        Filesize

                                        904KB

                                      • memory/960-54-0x0000000000FB0000-0x000000000104C000-memory.dmp
                                        Filesize

                                        624KB

                                      • memory/960-55-0x00000000740FE000-0x00000000740FF000-memory.dmp
                                        Filesize

                                        4KB

                                      • memory/960-56-0x00000000006D0000-0x00000000006D1000-memory.dmp
                                        Filesize

                                        4KB

                                      • memory/960-57-0x00000000003E0000-0x00000000003F4000-memory.dmp
                                        Filesize

                                        80KB