Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 02:56

General

  • Target
    c781952b115883dc67560467fe6bd6b7.exe
  • Size 188KB
  • Sample240314-de3deabc79
  • SHA256 4529a82d227896329f52a8cc442e9d4a07beafa472e5643376c82560bf666220
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3452
      • C:\Users\Admin\AppData\Local\Temp\c781952b115883dc67560467fe6bd6b7.exe
        "C:\Users\Admin\AppData\Local\Temp\c781952b115883dc67560467fe6bd6b7.exe"
        2⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:952
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 280
          3⤵
          • Program crash
          PID:3540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 468
          3⤵
          • Program crash
          PID:4356
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 952 -ip 952
      1⤵
        PID:2280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 952 -ip 952
        1⤵
          PID:4252

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              jpking0.dll

              • Path C:\Windows\SysWOW64\jpking0.dll
              • Size 123KB
              • SHA256 e0ce81febe56f0b7aa010e19857235493a968a61fbb81a5fc2c6eabcbcdd21a2
              • MD5 SHA1 SHA512 SSDEEP

              memory/952-0-0x0000000000400000-0x000000000053F000-memory.dmp

              memory/952-7-0x0000000010000000-0x000000001013D000-memory.dmp

              memory/952-9-0x0000000000400000-0x000000000053F000-memory.dmp

              memory/952-10-0x0000000010000000-0x000000001013D000-memory.dmp