Analysis

  • max time kernel
    135s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2023, 05:04

General

  • Target

    stub.exe

  • Size

    66KB

  • MD5

    97845eca9567226161ecac97a9cfdd4c

  • SHA1

    c5cdb968f6532d56777afec6276073228ba9df4b

  • SHA256

    60ae5794afacdc55c75268040eedce59d20776dced641d2cba250bd768359d8a

  • SHA512

    a3cf1701eec8f4347b8283157f3ffe404ad75c5db0de40d25c048956e43ba47ae1a78c5f4c5c1a8d6c6e6f6d8344a958d256cd27d2ed72ed3218f9d7df558d9c

  • SSDEEP

    1536:J2wukvF1ak9gcKu5UYF8d5cO+vXMbztfuoKMCqorQTGpx:J2dkvF1ak9Ku5UYF2crPMbztfiMCBGqx

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

C2

alertgeeks.ddnsfree.com: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#.

  • 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:1512

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1512-133-0x00000000008F0000-0x0000000000906000-memory.dmp

          Filesize

          88KB

        • memory/1512-134-0x0000000005430000-0x0000000005440000-memory.dmp

          Filesize

          64KB

        • memory/1512-135-0x0000000005DF0000-0x0000000006394000-memory.dmp

          Filesize

          5.6MB

        • memory/1512-136-0x00000000059E0000-0x0000000005A72000-memory.dmp

          Filesize

          584KB

        • memory/1512-137-0x0000000005960000-0x000000000596A000-memory.dmp

          Filesize

          40KB

        • memory/1512-138-0x0000000005B30000-0x0000000005BCC000-memory.dmp

          Filesize

          624KB

        • memory/1512-139-0x0000000005D10000-0x0000000005D76000-memory.dmp

          Filesize

          408KB

        • memory/1512-140-0x0000000005430000-0x0000000005440000-memory.dmp

          Filesize

          64KB