Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2025 14:10

General

  • Target

    Builder WorldWind Pro/stub.exe

  • Size

    171KB

  • MD5

    fd12ac8c2bce0eccd26b3f48a8ad4956

  • SHA1

    7b7c6548ea4e4e897968785126d4033a876c6d3e

  • SHA256

    c618d6362d0bfe7daf26d6c98271cc38c291e812548c13869c0d1bfb905531d0

  • SHA512

    cff76beea29e21c0c96bf5f1dc4bf419d1d5246c9cc111ff572909867588694ae80de22b663e2af8b33da52540d6053e106586738db05ec91fafc0055ec41631

  • SSDEEP

    3072:9ySRwk/N2wtuh77yHcokLZl9CPJ+dZ8BAgTepbDywAWY+WpY:OkV9tuh77ypkLTzyqnpbDq

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\Builder WorldWind Pro\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\Builder WorldWind Pro\stub.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2476-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

  • memory/2476-1-0x0000000000DC0000-0x0000000000DF2000-memory.dmp

    Filesize

    200KB

  • memory/2476-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2476-3-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB