Analysis

  • max time kernel
    151s
  • max time network
    157s
  • 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 10:26

General

  • Target

    39e8455d21447e32141dc064eb7504c6925f823bf6d9c8ce004d44cb8facc80b.exe

  • Size

    1.3MB

  • MD5

    ee3895f50bbc6316a746c239afc47e71

  • SHA1

    4aaf0acb7891fe06868ea442f55e5913961117d7

  • SHA256

    39e8455d21447e32141dc064eb7504c6925f823bf6d9c8ce004d44cb8facc80b

  • SHA512

    0a6e1fc864aa8b013c8a2585053ad7bf095226f4bc9966dd3605aac068df3fd9c409932c5e0b78f19dc64842f25b47339b1137b2fa83031f263a2be89e44f7a8

  • SSDEEP

    12288:uduBqfIBpUXjWMzp7E9Yy+PIPx2TQ1RABd89XBJm3QXNOZJxRYE601YldgcMeAoG:uEkQB4h7E6r5Q7AaJBo3QXerYfdgBD

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\39e8455d21447e32141dc064eb7504c6925f823bf6d9c8ce004d44cb8facc80b.exe
    "C:\Users\Admin\AppData\Local\Temp\39e8455d21447e32141dc064eb7504c6925f823bf6d9c8ce004d44cb8facc80b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\39e8455d21447e32141dc064eb7504c6925f823bf6d9c8ce004d44cb8facc80b.exe
      C:\Users\Admin\AppData\Local\Temp\39e8455d21447e32141dc064eb7504c6925f823bf6d9c8ce004d44cb8facc80b.exe
      2⤵
        PID:3076
      • C:\Users\Admin\AppData\Local\Temp\39e8455d21447e32141dc064eb7504c6925f823bf6d9c8ce004d44cb8facc80b.exe
        C:\Users\Admin\AppData\Local\Temp\39e8455d21447e32141dc064eb7504c6925f823bf6d9c8ce004d44cb8facc80b.exe
        2⤵
        • Enumerates connected drives
        • Suspicious use of WriteProcessMemory
        PID:3652
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
          3⤵
            PID:3696
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
            3⤵
              PID:4732
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
              3⤵
                PID:2176
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                3⤵
                  PID:3620
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                  3⤵
                    PID:2236
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                    3⤵
                      PID:392
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                      3⤵
                        PID:1812
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                        3⤵
                          PID:4564
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                          3⤵
                            PID:3456
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                            3⤵
                              PID:4836
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                              3⤵
                                PID:4420
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                                3⤵
                                  PID:1988
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                  3⤵
                                    PID:4384
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                    3⤵
                                      PID:4892
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                      3⤵
                                        PID:2548
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                        3⤵
                                          PID:3660
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                          3⤵
                                            PID:4100
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                            3⤵
                                              PID:1612
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3804 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
                                          1⤵
                                            PID:2604

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • memory/3444-15-0x0000000075290000-0x0000000075A40000-memory.dmp

                                            Filesize

                                            7.7MB

                                          • memory/3444-1-0x0000000000C60000-0x0000000000DAC000-memory.dmp

                                            Filesize

                                            1.3MB

                                          • memory/3444-2-0x0000000005C50000-0x00000000061F4000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/3444-3-0x00000000057A0000-0x0000000005832000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/3444-4-0x00000000058D0000-0x00000000058E0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/3444-5-0x0000000005860000-0x000000000586A000-memory.dmp

                                            Filesize

                                            40KB

                                          • memory/3444-6-0x0000000075290000-0x0000000075A40000-memory.dmp

                                            Filesize

                                            7.7MB

                                          • memory/3444-7-0x0000000005AD0000-0x0000000005B46000-memory.dmp

                                            Filesize

                                            472KB

                                          • memory/3444-8-0x00000000058D0000-0x00000000058E0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/3444-9-0x0000000006330000-0x000000000634E000-memory.dmp

                                            Filesize

                                            120KB

                                          • memory/3444-10-0x0000000006380000-0x0000000006390000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/3444-0-0x0000000075290000-0x0000000075A40000-memory.dmp

                                            Filesize

                                            7.7MB

                                          • memory/3652-17-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-39-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-12-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-16-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-11-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-19-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-23-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-27-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-31-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-32-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-35-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-14-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-43-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-47-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-51-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-52-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-55-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-59-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-63-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-67-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-68-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-71-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB

                                          • memory/3652-89-0x0000000000400000-0x00000000004E2000-memory.dmp

                                            Filesize

                                            904KB