Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 07:46

General

  • Target

    1283a766780b0e9b91773e20e2d09ff2.exe

  • Size

    748KB

  • MD5

    1283a766780b0e9b91773e20e2d09ff2

  • SHA1

    6d78f649d4a08be0d2d2aaabb4b5dc1404d73515

  • SHA256

    ca6cb9054e9d8bebe61f3074096a2e3c664a9b6f0353e5c0b306d4701926acb4

  • SHA512

    e8e07b9930562e04dc1ec907ddd00d38bfcf03b2f370f098efd7d92d211c6a91e4e52b034432837c534e5d8e14c29edd281c86a0563c6ba93bdda72e3eb9e66d

  • SSDEEP

    12288:dSDAs7ivGyiRB1toFaAGWaRn0K8joqcp5T718jC:oDAsCYB1toFpGj8joqcp5T7s

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Nirsoft 26 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 45 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
    "C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
      "C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3852
  • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
    /stext "C:\Users\Admin\AppData\Local\Temp\opra.dat"
    1⤵
      PID:4160
    • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
      /stext "C:\Users\Admin\AppData\Local\Temp\ffox.dat"
      1⤵
        PID:4536
      • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\ptsg.dat"
        1⤵
          PID:1728
        • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
          /stext "C:\Users\Admin\AppData\Local\Temp\iexp.dat"
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3188
        • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
          /stext "C:\Users\Admin\AppData\Local\Temp\chro.dat"
          1⤵
            PID:392
          • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\dial.dat"
            1⤵
              PID:2808
            • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
              /stext "C:\Users\Admin\AppData\Local\Temp\mail.dat"
              1⤵
              • Accesses Microsoft Outlook accounts
              PID:3848
            • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
              /stext "C:\Users\Admin\AppData\Local\Temp\mess.dat"
              1⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5068
            • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
              /stext "C:\Users\Admin\AppData\Local\Temp\offc.dat"
              1⤵
                PID:4928
              • C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe
                "C:\Users\Admin\AppData\Local\Temp\1283a766780b0e9b91773e20e2d09ff2.exe"
                1⤵
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:4564

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/392-49-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/392-55-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/392-52-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/392-51-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/1728-69-0x0000000000400000-0x0000000000410000-memory.dmp

                Filesize

                64KB

              • memory/1728-66-0x0000000000400000-0x0000000000410000-memory.dmp

                Filesize

                64KB

              • memory/1728-68-0x0000000000400000-0x0000000000410000-memory.dmp

                Filesize

                64KB

              • memory/2808-46-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/2808-39-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/2808-44-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/2808-42-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/2808-41-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/3188-62-0x0000000000400000-0x000000000041B000-memory.dmp

                Filesize

                108KB

              • memory/3188-58-0x0000000000400000-0x000000000041B000-memory.dmp

                Filesize

                108KB

              • memory/3188-60-0x0000000000400000-0x000000000041B000-memory.dmp

                Filesize

                108KB

              • memory/3188-61-0x0000000000400000-0x000000000041B000-memory.dmp

                Filesize

                108KB

              • memory/3188-63-0x0000000000400000-0x000000000041B000-memory.dmp

                Filesize

                108KB

              • memory/3188-64-0x0000000000400000-0x000000000041B000-memory.dmp

                Filesize

                108KB

              • memory/3848-34-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/3848-35-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/3848-32-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/3848-36-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/3848-37-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/3852-2-0x0000000000400000-0x00000000004A5000-memory.dmp

                Filesize

                660KB

              • memory/3852-4-0x0000000000400000-0x00000000004A5000-memory.dmp

                Filesize

                660KB

              • memory/3852-13-0x0000000000400000-0x00000000004A5000-memory.dmp

                Filesize

                660KB

              • memory/4160-81-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4160-82-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4160-83-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4160-79-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4160-86-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4160-84-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4536-71-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4536-76-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4536-74-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4536-73-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/4564-89-0x0000000000400000-0x00000000004AE000-memory.dmp

                Filesize

                696KB

              • memory/4564-9-0x0000000000400000-0x00000000004AE000-memory.dmp

                Filesize

                696KB

              • memory/4564-43-0x0000000000400000-0x00000000004AE000-memory.dmp

                Filesize

                696KB

              • memory/4564-7-0x0000000000400000-0x00000000004AE000-memory.dmp

                Filesize

                696KB

              • memory/4564-10-0x0000000000400000-0x00000000004AE000-memory.dmp

                Filesize

                696KB

              • memory/4564-11-0x0000000000400000-0x00000000004AE000-memory.dmp

                Filesize

                696KB

              • memory/4928-19-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/4928-16-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/4928-18-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/4928-21-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/5068-25-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB

              • memory/5068-28-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB

              • memory/5068-30-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB

              • memory/5068-27-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB

              • memory/5068-29-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB