Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2023, 10:45

General

  • Target

    832-55-0x0000000028480000-0x0000000028492000-memory.exe

  • Size

    72KB

  • MD5

    d1e78803f0fbbecc31907042f3ae0f91

  • SHA1

    fdff696ae5e077ec330bb2412189a33c206f1367

  • SHA256

    fd08f83bbef4c7f7e61ad15a9a1ffad1822fc715fa492aafe94b460b03b631f1

  • SHA512

    7b60fc5da67c580656e4c48604e466bc23a102a64ddc42edc6dae4c2a7b75d837b03642ea6823e338920d520b2e2617e55f9accd3badc72f7bb4e442dbf147e6

  • SSDEEP

    1536:ju/6ZTgle2Y1G/1W9q3blXSUjD0Ezd/x:ju/iTgle2pW9q3blRztx

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

addimq.duckdns.org:7878

addimq.duckdns.org:9909

addimq.duckdns.org:6568

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#.

  • Async RAT payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\832-55-0x0000000028480000-0x0000000028492000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\832-55-0x0000000028480000-0x0000000028492000-memory.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4320

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4320-133-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

          Filesize

          72KB

        • memory/4320-134-0x00000000056A0000-0x00000000056B0000-memory.dmp

          Filesize

          64KB

        • memory/4320-135-0x00000000059D0000-0x0000000005A6C000-memory.dmp

          Filesize

          624KB

        • memory/4320-136-0x0000000006020000-0x00000000065C4000-memory.dmp

          Filesize

          5.6MB

        • memory/4320-137-0x0000000005AE0000-0x0000000005B46000-memory.dmp

          Filesize

          408KB

        • memory/4320-138-0x0000000006E50000-0x0000000006EC6000-memory.dmp

          Filesize

          472KB

        • memory/4320-139-0x0000000006F10000-0x0000000006F2E000-memory.dmp

          Filesize

          120KB

        • memory/4320-140-0x00000000056A0000-0x00000000056B0000-memory.dmp

          Filesize

          64KB