Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/01/2025, 18:26

General

  • Target

    AsyncClient.exe

  • Size

    45KB

  • MD5

    6fc628eb737082731b5aa55d58146c33

  • SHA1

    e724ede1e28f22f6ff865c092321e6d8e8b94d67

  • SHA256

    898181e54072487190869cb3b829cbeeb2863b271e767acdfea8199d804e04ab

  • SHA512

    7bfdee03a71780697ae8e216a1a495901b01de0b17e7570686cec77df5804c10542e1a72b21c7ae793be730f3148be7f3a1b8f805e6e7d1b90fab4f2361dd1ec

  • SSDEEP

    768:ZuyV5TdMhGqWU8Durmo2qrBKjPGaG6PIyzjbFgX3iu1dok2uNmhLCoBDZrx:ZuyV5TdCf2oKTkDy3bCXSKogePdrx

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:2024

127.0.0.1:12376

127.0.0.1:15398

127.0.0.1:13666

127.0.0.1:14211

127.0.0.1:17148

127.0.0.1:11989

127.0.0.1:16590

127.0.0.1:15255

5.tcp.eu.ngrok.io:6606

5.tcp.eu.ngrok.io:7707

5.tcp.eu.ngrok.io:8808

5.tcp.eu.ngrok.io:2024

5.tcp.eu.ngrok.io:12376

5.tcp.eu.ngrok.io:15398

5.tcp.eu.ngrok.io:13666

5.tcp.eu.ngrok.io:14211

Mutex

ZAeZX525qatF

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • 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:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2060-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

    Filesize

    4KB

  • memory/2060-1-0x0000000000A60000-0x0000000000A72000-memory.dmp

    Filesize

    72KB

  • memory/2060-2-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/2060-3-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

    Filesize

    4KB

  • memory/2060-4-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB