Analysis

  • max time kernel
    91s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2023, 19:41

General

  • Target
    0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474.exe
  • Size 330KB
  • Sample230129-yd4v3acf61
  • SHA256 0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • DiamondFox

    DiamondFox is a multipurpose botnet with many capabilities.

  • DiamondFox payload 5 IoCs

    Detects DiamondFox payload in file/memory.

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

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

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474.exe
    "C:\Users\Admin\AppData\Local\Temp\0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
      "C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe"
      2⤵
      • Executes dropped EXE
      PID:632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1336
        3⤵
        • Program crash
        PID:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 620
      2⤵
      • Program crash
      PID:2136
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4344 -ip 4344
    1⤵
      PID:724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 632 -ip 632
      1⤵
        PID:2016

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            MicrosoftEdgeCPS.exe

            • Path C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
            • Size 330KB
            • SHA256 0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474
            • MD5 SHA1 SHA512 SSDEEP

            MicrosoftEdgeCPS.exe

            • Path C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
            • Size 330KB
            • SHA256 0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474
            • MD5 SHA1 SHA512 SSDEEP

            memory/632-138-0x0000000002B82000-0x0000000002BA0000-memory.dmp

            memory/632-139-0x0000000002B00000-0x0000000002B33000-memory.dmp

            memory/632-140-0x0000000000400000-0x0000000002AF4000-memory.dmp

            memory/632-142-0x0000000002B82000-0x0000000002BA0000-memory.dmp

            memory/632-143-0x0000000000400000-0x0000000002AF4000-memory.dmp

            memory/4344-132-0x0000000002DA3000-0x0000000002DC1000-memory.dmp

            memory/4344-133-0x00000000001C0000-0x00000000001F3000-memory.dmp

            memory/4344-134-0x0000000000400000-0x0000000002AF4000-memory.dmp

            memory/4344-141-0x0000000002DA3000-0x0000000002DC1000-memory.dmp