Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • 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:1652
    • 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:1312
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:4640
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:4644
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:2224
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:4244
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:368
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:1272
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:2428
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:1752
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:2876
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:4340
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:3484
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:4452
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:2068
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:1872
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:3692
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:636
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:888
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                          3⤵
                                            PID:1240

                                      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/1312-135-0x0000000000400000-0x00000000004E2000-memory.dmp
                                        Filesize

                                        904KB

                                      • memory/1312-136-0x0000000000400000-0x00000000004E2000-memory.dmp
                                        Filesize

                                        904KB

                                      • memory/1652-130-0x00000000005F0000-0x000000000068C000-memory.dmp
                                        Filesize

                                        624KB

                                      • memory/1652-131-0x000000007476E000-0x000000007476F000-memory.dmp
                                        Filesize

                                        4KB

                                      • memory/1652-132-0x0000000005180000-0x0000000005181000-memory.dmp
                                        Filesize

                                        4KB

                                      • memory/1652-133-0x0000000005050000-0x00000000050C6000-memory.dmp
                                        Filesize

                                        472KB

                                      • memory/1652-134-0x0000000005020000-0x000000000503E000-memory.dmp
                                        Filesize

                                        120KB