Analysis

  • max time kernel
    69s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-06-2022 22:20

General

  • Target

    687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b.exe

  • Size

    100KB

  • MD5

    e1b7edc7b64d3658dc80ff55416b0c13

  • SHA1

    dce6acf0d134a7b9a59302624264083a43e0e292

  • SHA256

    687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b

  • SHA512

    6b86abf8505edfe5e428cb3c3128fa9dd65e4d8bdc0c4b1e1f951733fce66d25e8929150137d2454f77332dc96f6be326a9f9ffe309899fa7ebb731e73f24f81

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Program crash 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b.exe
    "C:\Users\Admin\AppData\Local\Temp\687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4280
    • C:\Windows\7569616913379665\winrvpp.exe
      C:\Windows\7569616913379665\winrvpp.exe
      2⤵
      • Executes dropped EXE
      PID:4424
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 508
        3⤵
        • Program crash
        PID:5052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 612
        3⤵
        • Program crash
        PID:488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 728
        3⤵
        • Program crash
        PID:388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 748
        3⤵
        • Program crash
        PID:4204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 552
      2⤵
      • Program crash
      PID:4748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 684
      2⤵
      • Program crash
      PID:1476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 796
      2⤵
      • Program crash
      PID:4644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 804
      2⤵
      • Program crash
      PID:1764
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4280 -ip 4280
    1⤵
      PID:4284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4280 -ip 4280
      1⤵
        PID:4668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4424 -ip 4424
        1⤵
          PID:4492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4424 -ip 4424
          1⤵
            PID:3328
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4280 -ip 4280
            1⤵
              PID:4940
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4424 -ip 4424
              1⤵
                PID:932
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4280 -ip 4280
                1⤵
                  PID:1996
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4424 -ip 4424
                  1⤵
                    PID:3140

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • C:\Windows\7569616913379665\winrvpp.exe

                    Filesize

                    100KB

                    MD5

                    e1b7edc7b64d3658dc80ff55416b0c13

                    SHA1

                    dce6acf0d134a7b9a59302624264083a43e0e292

                    SHA256

                    687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b

                    SHA512

                    6b86abf8505edfe5e428cb3c3128fa9dd65e4d8bdc0c4b1e1f951733fce66d25e8929150137d2454f77332dc96f6be326a9f9ffe309899fa7ebb731e73f24f81

                  • C:\Windows\7569616913379665\winrvpp.exe

                    Filesize

                    100KB

                    MD5

                    e1b7edc7b64d3658dc80ff55416b0c13

                    SHA1

                    dce6acf0d134a7b9a59302624264083a43e0e292

                    SHA256

                    687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b

                    SHA512

                    6b86abf8505edfe5e428cb3c3128fa9dd65e4d8bdc0c4b1e1f951733fce66d25e8929150137d2454f77332dc96f6be326a9f9ffe309899fa7ebb731e73f24f81

                  • memory/4280-130-0x0000000000842000-0x0000000000847000-memory.dmp

                    Filesize

                    20KB

                  • memory/4280-131-0x0000000000842000-0x0000000000847000-memory.dmp

                    Filesize

                    20KB

                  • memory/4280-132-0x0000000000400000-0x00000000004AE000-memory.dmp

                    Filesize

                    696KB

                  • memory/4424-133-0x0000000000000000-mapping.dmp

                  • memory/4424-136-0x00000000006C2000-0x00000000006C6000-memory.dmp

                    Filesize

                    16KB

                  • memory/4424-137-0x00000000006C2000-0x00000000006C6000-memory.dmp

                    Filesize

                    16KB

                  • memory/4424-138-0x0000000000400000-0x00000000004AE000-memory.dmp

                    Filesize

                    696KB