Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2023, 05:09

General

  • Target

    stub.exe

  • Size

    66KB

  • MD5

    915c194ce83fa5e97aea45f447bc753e

  • SHA1

    6b99f0058ff24475149d79fc271ca3561269be76

  • SHA256

    acd3fc66fd0197318253d2d5f4cb724b6cb54963f554b60839d03a252f560901

  • SHA512

    a6f0ec6103ad3ea4d02e919494b9c94e2a4192f9d706fdcdff42d7bb3da65c7f8af3cf6b3e841fc5ea401c2c54b2677f6ec82f7c7a31e581232c65747058e0e2

  • SSDEEP

    1536:J2wukvF1ak9gcKu5UYFX1UMxvUb0JUM0I1g/ln6PrQTGpx:J2dkvF1ak9Ku5UYFFRMb0l0ILGqx

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

C2

ghoss.freeddns.org:6606

ghoss.freeddns.org:7707

ghoss.freeddns.org:8808

Mutex

AsyncMutex_6SI68OkPnk

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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:748

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/748-133-0x00000000006F0000-0x0000000000706000-memory.dmp

          Filesize

          88KB

        • memory/748-134-0x0000000005190000-0x00000000051A0000-memory.dmp

          Filesize

          64KB

        • memory/748-135-0x0000000005B50000-0x00000000060F4000-memory.dmp

          Filesize

          5.6MB

        • memory/748-136-0x0000000005780000-0x0000000005812000-memory.dmp

          Filesize

          584KB

        • memory/748-137-0x0000000005770000-0x000000000577A000-memory.dmp

          Filesize

          40KB

        • memory/748-138-0x0000000006240000-0x00000000062DC000-memory.dmp

          Filesize

          624KB

        • memory/748-139-0x00000000062E0000-0x0000000006346000-memory.dmp

          Filesize

          408KB

        • memory/748-140-0x0000000005190000-0x00000000051A0000-memory.dmp

          Filesize

          64KB