Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2022, 13:29

General

  • Target

    9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe

  • Size

    668KB

  • MD5

    91b05a945fdad12760e5f4e9a9ed4eae

  • SHA1

    a8fc53f62a3cb95214488caab1f390dda838fae3

  • SHA256

    9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4

  • SHA512

    a561b25eafad5403f397b1b044d271501105a0a2c550a4955dfbe92f92b7851cb58bb9c5258f208d0e255a9c80c16700d51f176af2b0eea256211bf2c8036210

  • SSDEEP

    12288:5pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/cWl:rwAcu99lPzvxP+Bsz2XjWTRMQckkIXn

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe
    "C:\Users\Admin\AppData\Local\Temp\9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Checks BIOS information in registry
      • Adds Run key to start application
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:440
    • C:\Windows\SysWOW64\ping.exe
      ping 127.0.0.1 -n 5 > NUL del "C:\Users\Admin\AppData\Local\Temp\9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe"
      2⤵
      • Runs ping.exe
      PID:3232

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/440-133-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/440-134-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/440-136-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/440-137-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/440-138-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB