Analysis

  • max time kernel
    96s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 18:28

General

  • Target

    stub.exe

  • Size

    169KB

  • MD5

    fa88f24eab7de6a32660b75bb72352cb

  • SHA1

    21b557154d87ddc57949d51838b1c18e5582a068

  • SHA256

    ec3aa251b8fc99c510f9f6f7d59bfe57f1b79d925d3e5faa0e2e08610597fe09

  • SHA512

    f01ec8bb73467e01715fd877b4b168974f078e03e69c7b3c379eb8f9798531ffa9a496b2c8e348de2f31dbf01acb4a122a681b98f443c6d9d2ac27faa68acba7

  • SSDEEP

    3072:UySRwk/N2wtuh77yHcokLZl4JLrBt6qIPu/i9bVK2cvwAuY+Wpu:FkV9tuh77ypkLTaPr6XPSi9b43

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

AsyncMutex_6SI8OkPnk

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
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Stormkitty 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\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4528-0-0x000000007504E000-0x000000007504F000-memory.dmp

    Filesize

    4KB

  • memory/4528-1-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4528-2-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4528-4-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB