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

  • MD5

    f496c839f762140fc275be29a1307efe

  • SHA1

    b60b56caef87f24d07db7313d2e90011b662cb68

  • SHA256

    0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474

  • SHA512

    0a2c6052bbaf5b4bfbd310f73ab4d967956f3bb4cd37503a9ac58e2a181b6255864710565fd4be65f2302eaca5f5789e8993da8bd4687dc906485890e1e7e068

  • SSDEEP

    6144:vjyPFc4tqecJ1+bKK8OPdCb7YuJNpas5wV9Su8AxVqAm:7R4tzgYbF8OPd0zJNss6GAWA

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

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe

        Filesize

        330KB

        MD5

        f496c839f762140fc275be29a1307efe

        SHA1

        b60b56caef87f24d07db7313d2e90011b662cb68

        SHA256

        0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474

        SHA512

        0a2c6052bbaf5b4bfbd310f73ab4d967956f3bb4cd37503a9ac58e2a181b6255864710565fd4be65f2302eaca5f5789e8993da8bd4687dc906485890e1e7e068

      • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe

        Filesize

        330KB

        MD5

        f496c839f762140fc275be29a1307efe

        SHA1

        b60b56caef87f24d07db7313d2e90011b662cb68

        SHA256

        0aff63230dac9ca248ddcb00bb998cc318c93b9101365558c003c21a7fd5c474

        SHA512

        0a2c6052bbaf5b4bfbd310f73ab4d967956f3bb4cd37503a9ac58e2a181b6255864710565fd4be65f2302eaca5f5789e8993da8bd4687dc906485890e1e7e068

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

        Filesize

        120KB

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

        Filesize

        204KB

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

        Filesize

        39.0MB

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

        Filesize

        120KB

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

        Filesize

        39.0MB

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

        Filesize

        120KB

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

        Filesize

        204KB

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

        Filesize

        39.0MB

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

        Filesize

        120KB