Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/05/2026, 00:40

General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260506-a1empagy3x
  • SHA256 8185a034823cd078aba0a1155025c5deb0c4b73b2afb594658372de1aa7273f6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • ceev.io:6606

  • ceev.io:7707

  • ceev.io:8808

  • ceev.io:443

  • ceev.io:80

  • ceev.io:22

  • ceev.io:53

  • hecc.io:6606

  • hecc.io:7707

  • hecc.io:8808

  • hecc.io:443

  • hecc.io:80

  • hecc.io:22

  • hecc.io:53

Mutex
  • FtTRmAL1FxCo

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5320

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/5320-0-0x0000000000C00000-0x0000000000C12000-memory.dmp

        memory/5320-1-0x0000000005890000-0x00000000058A0000-memory.dmp

        memory/5320-2-0x0000000005600000-0x000000000569C000-memory.dmp

        memory/5320-3-0x0000000005890000-0x00000000058A0000-memory.dmp