Analysis

  • max time kernel
    29s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    01/05/2023, 05:37

General

  • Target

    stub.exe

  • Size

    66KB

  • MD5

    d5adf9dee7bfe78a92e715fedfc64cb3

  • SHA1

    3f9be1c256e25efce8b789d7e0bca5e8ba7f0aa0

  • SHA256

    64349010e1fbfa33f4ea4f3ec59950d2a7b44874488902a78cee4544dfecce33

  • SHA512

    b1c9b514de2a86a02d2cf92d896e08945b40c5b0b2a658b35b98332cf56bb14f564ac152585beaf5f169058d69f3ba5aac3f33fb18e3eb36cf082fb7fe57fbee

  • SSDEEP

    1536:M2wukvF1ak9gcKu5UYFLrsxobD/BuGUu2wNLVrQTGtx:M2dkvF1ak9Ku5UYFYobDeu2GLVGmx

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

C2

Modyhr.ddnsfree.com:6606

Modyhr.ddnsfree.com:7707

Modyhr.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:1696

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1696-54-0x00000000013C0000-0x00000000013D6000-memory.dmp

          Filesize

          88KB

        • memory/1696-55-0x0000000001360000-0x00000000013A0000-memory.dmp

          Filesize

          256KB

        • memory/1696-73-0x0000000001360000-0x00000000013A0000-memory.dmp

          Filesize

          256KB