Analysis

  • max time kernel
    58s
  • max time network
    56s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/02/2026, 06:58

General

  • Target
    brfwhb.ru.exe
  • Size 45KB
  • Sample260225-hrkfkse13e
  • SHA256 1aebfc504040609433e8d27956853a19d5a2191b1de8876340c2ac28a9a530f7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • brfwhb.ru.com:80

  • brfwhb.ru.com:8080

  • brfwhb.ru.com:443

  • brfwhb.ru.com:8443

Mutex
  • YRnrFRD9q76P

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
  • 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\brfwhb.ru.exe
    "C:\Users\Admin\AppData\Local\Temp\brfwhb.ru.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2700

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2700-0-0x0000000000650000-0x0000000000662000-memory.dmp

        memory/2700-1-0x0000000005210000-0x0000000005220000-memory.dmp

        memory/2700-2-0x0000000005060000-0x00000000050C4000-memory.dmp

        memory/2700-3-0x0000000005210000-0x0000000005220000-memory.dmp