Analysis

  • max time kernel
    152s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 01:34

General

  • Target

    3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe

  • Size

    792KB

  • MD5

    aa73fd88db26bb43bd5e133fb0dc397f

  • SHA1

    d8ce860072f57b83ad6f59759220a7d2cd984710

  • SHA256

    3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2

  • SHA512

    c0603f91af043436cc6176bf12278a27cd369c798727aaeb2b436340d5fe784868a7e7ad4ed6a091b9045f25c93ec896ca91a24cac9c1dba3a0c2a17e5d3dede

Malware Config

Signatures

  • Luminosity 2 IoCs

    Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe
    "C:\Users\Admin\AppData\Local\Temp\3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe
      "C:\Users\Admin\AppData\Local\Temp\3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe"
      2⤵
      • Luminosity
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc onlogon /tn "Client Monitor" /rl highest /tr "'C:\Program Files (x86)\Client\explore.exe' /startup" /f
        3⤵
        • Luminosity
        • Creates scheduled task(s)
        PID:2716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1388-130-0x0000000075400000-0x00000000759B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1388-133-0x0000000075400000-0x00000000759B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1596-132-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1596-134-0x0000000075400000-0x00000000759B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1596-135-0x0000000075400000-0x00000000759B1000-memory.dmp

    Filesize

    5.7MB