Analysis

  • max time kernel
    101s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2023 10:58

General

  • Target

    c2cda600256314b688cf195f809356e2592ba8df9de9c2b1a117a0ee26ccfa28.exe

  • Size

    74KB

  • MD5

    4c479566473499949657c49a04f56822

  • SHA1

    ad4522e154a6926728939503763786e8898b745d

  • SHA256

    c2cda600256314b688cf195f809356e2592ba8df9de9c2b1a117a0ee26ccfa28

  • SHA512

    62f9d72d5955e367268a462f0110e9a3fd6db57987541b89c64e619a3ef77b1af56f66f449496ea4b64a27d76c4932760b364ee035f08950aae6efde81305401

  • SSDEEP

    1536:SUvQcxyN1hJC1GPMVNedj/aLEgIPH1br/JIH9AQzcGLVclN:SUYcxyNl+GPMVO/vVH1brBIHmQfBY

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.1

Botnet

new rai tay

C2

144.202.52.245:4449

Mutex

clfdboaluvjjxdlt

Attributes
  • delay

    1

  • install

    true

  • install_file

    kyovn.exe

  • install_folder

    %Temp%

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
  • Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2cda600256314b688cf195f809356e2592ba8df9de9c2b1a117a0ee26ccfa28.exe
    "C:\Users\Admin\AppData\Local\Temp\c2cda600256314b688cf195f809356e2592ba8df9de9c2b1a117a0ee26ccfa28.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1612
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1612 -s 1316
      2⤵
      • Program crash
      PID:672
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 440 -p 1612 -ip 1612
    1⤵
      PID:1316

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1612-133-0x0000000000D50000-0x0000000000D68000-memory.dmp

      Filesize

      96KB

    • memory/1612-135-0x000000001BA40000-0x000000001BA50000-memory.dmp

      Filesize

      64KB