Analysis

  • max time kernel
    64s
  • max time network
    86s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/04/2023, 06:21

General

  • Target

    install.exe

  • Size

    47KB

  • MD5

    66910731804a08bab77c51103c8023eb

  • SHA1

    7b047f9750b7569004403ddfeb36ece9b3b5f11b

  • SHA256

    09effa48cafb7ba5d02f97e1e1dcb2490d387bc02453900fe3bd69e07ca00edf

  • SHA512

    7b7699e9f9d3d4fedaf1374c5f3c95b6fd07b6510c0b18fb735caf3776f8bc4ccb1d929a81a44a430c83c6eccbdf92531e03a54aaae8a754d5006eef1b03b8cc

  • SSDEEP

    768:3d3PjILweUc+biPMaGnPiicf8Yb/gLpZH/vEgK/J7ZVc6KN:3d39koAzbId1nkJ7ZVclN

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:61288

146.70.165.10:61288

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windows Update.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 1 IoCs
  • Program crash 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\install.exe
    "C:\Users\Admin\AppData\Local\Temp\install.exe"
    1⤵
      PID:4484
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4484 -s 1084
        2⤵
        • Program crash
        PID:1792
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 368 -p 4484 -ip 4484
      1⤵
        PID:2192

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/4484-133-0x00000000004A0000-0x00000000004B2000-memory.dmp

              Filesize

              72KB

            • memory/4484-134-0x000000001B090000-0x000000001B0A0000-memory.dmp

              Filesize

              64KB