Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/05/2026, 02:45

General

  • Target
    u888np.exe
  • Size 45KB
  • Sample260507-c8vd8aat5m
  • SHA256 39bb087b9b27985b15fce51eeb1b567d80fbd331b75991fc58d1e02018fa344e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • u888np.com:6606

  • u888np.com:7707

  • u888np.com:8808

  • u888np.com:443

  • u888np.com:80

  • u888np.com:22

  • u888np.com: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#.

  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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\u888np.exe
    "C:\Users\Admin\AppData\Local\Temp\u888np.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4764

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4764-0-0x0000000000430000-0x0000000000442000-memory.dmp

        memory/4764-1-0x0000000004D40000-0x0000000004D50000-memory.dmp

        memory/4764-2-0x0000000004C40000-0x0000000004CD6000-memory.dmp

        memory/4764-3-0x0000000004D40000-0x0000000004D50000-memory.dmp

        memory/4764-9-0x0000000004D20000-0x0000000004D26000-memory.dmp