Analysis

  • max time kernel
    139s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/12/2023, 04:45

General

  • Target
    Clientx86.exe
  • Size 71KB
  • Sample231209-fdpf9sefer
  • SHA256 fb646f0abb2d769531bdcbbb33c15b8d65a2f948a9b027005a007f1ae7fb6d23
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 2 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Clientx86.exe
    "C:\Users\Admin\AppData\Local\Temp\Clientx86.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 1020
      2⤵
      • Program crash
      PID:228
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4136 -ip 4136
    1⤵
      PID:2640

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4136-1-0x00000000751E0000-0x0000000075990000-memory.dmp

          memory/4136-0-0x0000000000760000-0x0000000000778000-memory.dmp

          memory/4136-2-0x00000000058C0000-0x0000000005E64000-memory.dmp

          memory/4136-4-0x0000000005300000-0x0000000005310000-memory.dmp

          memory/4136-5-0x00000000751E0000-0x0000000075990000-memory.dmp