Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 11:43

General

  • Target

    6a698edb366f25f156e4b481639903d816c5f5525668f65e2c097ef682afc269.exe

  • Size

    875KB

  • MD5

    f1639890944c37c25e1a4bdea35a6012

  • SHA1

    228684d884a11f1434620ce8e9af9226ab636658

  • SHA256

    6a698edb366f25f156e4b481639903d816c5f5525668f65e2c097ef682afc269

  • SHA512

    7c377c68730d125e8b676d69c431c7f91d53ecaf30e34fad796c2f6a343dae5d3db57d35cdf74fee3656cd5eb618c15207c5c9e54d6a942e9acee9b5f5ca4cbe

  • SSDEEP

    24576:rx4wsewnRwCsilLjIvCREnPgNokJu8Z5n:rHsFH9jIqRvCQTx

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 8 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a698edb366f25f156e4b481639903d816c5f5525668f65e2c097ef682afc269.exe
    "C:\Users\Admin\AppData\Local\Temp\6a698edb366f25f156e4b481639903d816c5f5525668f65e2c097ef682afc269.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\6a698edb366f25f156e4b481639903d816c5f5525668f65e2c097ef682afc269.exe
      C:\Users\Admin\AppData\Local\Temp\6a698edb366f25f156e4b481639903d816c5f5525668f65e2c097ef682afc269.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:3004
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:2600
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:2660
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:2652
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:2148
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:2472

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/2004-7-0x0000000074520000-0x0000000074C0E000-memory.dmp

                Filesize

                6.9MB

              • memory/2004-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

                Filesize

                6.9MB

              • memory/2004-2-0x0000000004C20000-0x0000000004C60000-memory.dmp

                Filesize

                256KB

              • memory/2004-3-0x00000000005C0000-0x00000000005CE000-memory.dmp

                Filesize

                56KB

              • memory/2004-0-0x0000000000F40000-0x0000000001020000-memory.dmp

                Filesize

                896KB

              • memory/2012-6-0x0000000000400000-0x00000000004E2000-memory.dmp

                Filesize

                904KB

              • memory/2012-4-0x0000000000400000-0x00000000004E2000-memory.dmp

                Filesize

                904KB

              • memory/2012-8-0x0000000000400000-0x00000000004E2000-memory.dmp

                Filesize

                904KB

              • memory/2012-9-0x0000000000400000-0x00000000004E2000-memory.dmp

                Filesize

                904KB

              • memory/2012-11-0x0000000000400000-0x00000000004E2000-memory.dmp

                Filesize

                904KB

              • memory/2012-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                Filesize

                904KB

              • memory/2012-19-0x0000000000400000-0x00000000004E2000-memory.dmp

                Filesize

                904KB

              • memory/2012-27-0x0000000000400000-0x00000000004E2000-memory.dmp

                Filesize

                904KB