Analysis

  • max time kernel
    142s
  • max time network
    161s
  • 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 09:35

General

  • Target

    0fc7154ebd80ea5d81d82e3a4920cb2699a8dd7c31100ca8ec0693a7bd4af8b7.exe

  • Size

    666KB

  • MD5

    ee6021e6682455f1bb8bead3d761530d

  • SHA1

    9bfe2745dd3123d6c0e3057717e394b6ca601588

  • SHA256

    0fc7154ebd80ea5d81d82e3a4920cb2699a8dd7c31100ca8ec0693a7bd4af8b7

  • SHA512

    e30f6f08e3615f4e95e88b97f7477bd02e70c417c62908108de86183bac14f7fe1656ec732178a6024450d50690ae0bafd6aee3f848ac14ac7e0a37c6089f0db

  • SSDEEP

    12288:OGJvgsbgbyf6lzps3Lo4CwKj/X+3WxeOW93pSsTAvSBubsKxl8q/Npiv2cH3:OGWpSYs3c4CwKjW5OW94sTA/Jov2cH3

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 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fc7154ebd80ea5d81d82e3a4920cb2699a8dd7c31100ca8ec0693a7bd4af8b7.exe
    "C:\Users\Admin\AppData\Local\Temp\0fc7154ebd80ea5d81d82e3a4920cb2699a8dd7c31100ca8ec0693a7bd4af8b7.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
      2⤵
        PID:1212
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
        2⤵
          PID:416
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
          2⤵
            PID:788
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
            2⤵
              PID:2336
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
              2⤵
                PID:3768
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                2⤵
                  PID:4044
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                  2⤵
                    PID:4980
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                    2⤵
                      PID:696
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                      2⤵
                        PID:3400
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                        2⤵
                          PID:1236
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                          2⤵
                            PID:4072
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                            2⤵
                              PID:1160
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                              2⤵
                                PID:4608
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                2⤵
                                  PID:3096
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                  2⤵
                                    PID:1680
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                    2⤵
                                      PID:3528
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                      2⤵
                                        PID:864
                                    • 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=3864 --field-trial-handle=3136,i,3192284747741020952,1225278682167953346,262144 --variations-seed-version /prefetch:8
                                      1⤵
                                        PID:2320

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/3044-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

                                        Filesize

                                        1024KB

                                      • memory/3044-2-0x0000000000F00000-0x0000000000FDD000-memory.dmp

                                        Filesize

                                        884KB

                                      • memory/3044-3-0x0000000000400000-0x0000000000A7E000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/3044-4-0x0000000000400000-0x0000000000A7E000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/3044-6-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

                                        Filesize

                                        1024KB

                                      • memory/3044-7-0x0000000000F00000-0x0000000000FDD000-memory.dmp

                                        Filesize

                                        884KB

                                      • memory/3044-8-0x0000000000400000-0x0000000000A7E000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/3044-10-0x0000000000400000-0x0000000000A7E000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/3044-13-0x0000000000400000-0x0000000000A7E000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/3044-15-0x0000000000400000-0x0000000000A7E000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/3044-17-0x0000000000400000-0x0000000000A7E000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/3044-19-0x0000000000400000-0x0000000000A7E000-memory.dmp

                                        Filesize

                                        6.5MB