Analysis

  • max time kernel
    193s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:36

General

  • Target

    369a8c5a2bffd1d3848938273fc351ab1a88331552645618bedacac03e970519.exe

  • Size

    151KB

  • MD5

    69a1dd16666a42c835cdbfffa0651be1

  • SHA1

    cc9e30724e91e189e8b918ff2288becc80902814

  • SHA256

    369a8c5a2bffd1d3848938273fc351ab1a88331552645618bedacac03e970519

  • SHA512

    d806a47077a8c942229628536aae87b65d3743d6ecf010e2bff7fd65240aa5f78de027ee70baf70d8ac6a21ef00328d31c11e50f1f79940bd7aeda41a6d53830

  • SSDEEP

    3072:Ana/rQXQb8A4yV5sH/l3c4PdiFHsS+PZB/:F/r/8A4o5sxPdKsS+j

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2732
      • C:\Users\Admin\AppData\Local\Temp\369a8c5a2bffd1d3848938273fc351ab1a88331552645618bedacac03e970519.exe
        "C:\Users\Admin\AppData\Local\Temp\369a8c5a2bffd1d3848938273fc351ab1a88331552645618bedacac03e970519.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1152
        • C:\Users\Admin\AppData\Local\Temp\369a8c5a2bffd1d3848938273fc351ab1a88331552645618bedacac03e970519.exe
          "C:\Users\Admin\AppData\Local\Temp\369a8c5a2bffd1d3848938273fc351ab1a88331552645618bedacac03e970519.exe"
          3⤵
          • Modifies WinLogon for persistence
          • Adds Run key to start application
          • Drops desktop.ini file(s)
          • Modifies WinLogon
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:260

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Winlogon Helper DLL

    2
    T1004

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/260-133-0x0000000000000000-mapping.dmp
    • memory/260-134-0x0000000000400000-0x0000000000405000-memory.dmp
      Filesize

      20KB

    • memory/260-136-0x0000000000400000-0x0000000000405000-memory.dmp
      Filesize

      20KB

    • memory/1152-132-0x0000000000580000-0x0000000000583000-memory.dmp
      Filesize

      12KB