Analysis

  • max time kernel
    31s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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:1408

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1408-54-0x0000000000B00000-0x0000000000B16000-memory.dmp

          Filesize

          88KB

        • memory/1408-55-0x0000000000380000-0x00000000003C0000-memory.dmp

          Filesize

          256KB