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Analysis

  • max time kernel
    30s
  • max time network
    30s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2025, 15:04

General

  • Target

    Client.exe

  • Size

    45KB

  • MD5

    b6811a1daca8cfda16da0f730c174133

  • SHA1

    92d67d3836def51f5a45389692292b2998a0c559

  • SHA256

    d5619e740a38ee0c894dd17051419306c4b35ad55a1558854ed82527a4aa736c

  • SHA512

    c1fe4b8edc38eef9ce12ae56f7874690b50519b12560620766c7e0b9f6a8cf1f9d00f648f6fa15b328320435e013bccae2dd2195985d8121ffc3c16b521b857d

  • SSDEEP

    768:9ujY21TUET1/WUT1V9mo2qz4KjPGaG6PIyzjbFgX3iaIqH5jdrK9APGuU2BDZzx:9ujY21TU0r21KTkDy3bCXSeHrKqPfdzx

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

0.tcp.in.ngrok.io:10147

Mutex

Q52IWD1RYgpZ

Attributes
  • delay

    3

  • install

    false

  • install_file

    Listopener.exe

  • 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 1 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\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2820-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/2820-1-0x0000000000A70000-0x0000000000A82000-memory.dmp

    Filesize

    72KB

  • memory/2820-2-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/2820-3-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/2820-4-0x00000000058D0000-0x000000000596C000-memory.dmp

    Filesize

    624KB

  • memory/2820-5-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/2820-6-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB