Analysis

  • max time kernel
    152s
  • max time network
    164s
  • 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 10:05

General

  • Target

    2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe

  • Size

    731KB

  • MD5

    a92bd5072f0e3e683be1b27117df76d7

  • SHA1

    a80db2f724e6d10c4b704f8e221c0946f5a12ad8

  • SHA256

    2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca

  • SHA512

    0b48fdc20d3d3aae604a333f708bb5d4bbdd79be7e6059e703654aa31e8e362b240fa290c386a9e86ab0ffbc4d875a24c77fae8b1ef3466b347206c085782dd4

  • SSDEEP

    12288:D9y9tmvboNKAM9qPg6f0blJwoodEJLaCyi5yHi1+xuQD6rCPUh/rYbhS:U9mENKAiGolJwooKJVy8+oQDkCPUhk1S

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\2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe
    "C:\Users\Admin\AppData\Local\Temp\2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Users\Admin\AppData\Local\Temp\2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe
      C:\Users\Admin\AppData\Local\Temp\2bef4a398a88749828afac59b773ae8b31c8e4e5b499aad516dd39ada1a11eca.exe
      2⤵
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
        3⤵
          PID:3852
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
          3⤵
            PID:1752
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
            3⤵
              PID:3580
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
              3⤵
                PID:3204
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
                3⤵
                  PID:5040
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
                  3⤵
                    PID:4076
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
                    3⤵
                      PID:664
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
                      3⤵
                        PID:2288
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
                        3⤵
                          PID:3148
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
                          3⤵
                            PID:3732
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
                            3⤵
                              PID:1720
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
                              3⤵
                                PID:4924
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
                                3⤵
                                  PID:3312
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
                                  3⤵
                                    PID:1912
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
                                    3⤵
                                      PID:4856
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
                                      3⤵
                                        PID:3424
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
                                        3⤵
                                          PID:3204
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.txt" /S /B /A
                                          3⤵
                                            PID:3460
                                      • 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=4832 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
                                        1⤵
                                          PID:4876

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • memory/3160-51-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-11-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-89-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-19-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-17-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-24-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-71-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-69-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-67-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-63-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-59-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-44-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-12-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-14-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-15-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-55-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-75-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-56-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-52-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-31-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-35-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-39-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/3160-43-0x0000000000400000-0x00000000004E2000-memory.dmp

                                          Filesize

                                          904KB

                                        • memory/4764-9-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

                                          Filesize

                                          120KB

                                        • memory/4764-0-0x0000000074910000-0x00000000750C0000-memory.dmp

                                          Filesize

                                          7.7MB

                                        • memory/4764-5-0x0000000005520000-0x0000000005530000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4764-3-0x0000000005570000-0x0000000005602000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/4764-16-0x0000000074910000-0x00000000750C0000-memory.dmp

                                          Filesize

                                          7.7MB

                                        • memory/4764-10-0x0000000005BC0000-0x0000000005BD6000-memory.dmp

                                          Filesize

                                          88KB

                                        • memory/4764-1-0x0000000000AF0000-0x0000000000BAA000-memory.dmp

                                          Filesize

                                          744KB

                                        • memory/4764-8-0x0000000005B20000-0x0000000005B96000-memory.dmp

                                          Filesize

                                          472KB

                                        • memory/4764-7-0x0000000005520000-0x0000000005530000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4764-6-0x0000000005640000-0x000000000564A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/4764-4-0x0000000074910000-0x00000000750C0000-memory.dmp

                                          Filesize

                                          7.7MB

                                        • memory/4764-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

                                          Filesize

                                          5.6MB