Overview

overview

10

Static

static

TT COPY.scr

windows7_x64

10

TT COPY.scr

windows10_x64

7

Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 18:24

Sharing

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General

  • Target
    TT COPY.scr
  • Size 344KB
  • Sample201019-eek6mk6r1n
  • SHA256 28b795225d2ed86c593bf06ff0171760338768d843f8f6f2cc8c5a3b801a7b70
  • MD5 SHA1 SHA512
Score
10/10
ratpersistenceasyncrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

C2

  • chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36:49746

  • chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36:2703

  • chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36:49714

Mutex

  • word_6SI86kPnk

Attributes
  • aes_key

    gLBLYYJBDz6IHrnjdQY2Jzi9F7JS8e0x

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    SEPT G99

  • host

    chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    word_6SI86kPnk

  • pastebin_config

    null

  • port

    49746,2703,49714

  • version

    0.5.7B

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

    ratasyncrat
  • Async RAT payload 5 IoCs
    rat
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5311 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT COPY.scr
    "C:\Users\Admin\AppData\Local\Temp\TT COPY.scr" /S
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1640
    • C:\Users\Admin\AppData\Local\Temp\TT COPY.scr
      "C:\Users\Admin\AppData\Local\Temp\TT COPY.scr" /S
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        3⤵
          PID:1624

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1492-13-0x00000000742C0000-0x00000000749AE000-memory.dmp
          Download

          memory/1624-22-0x00000000742C0000-0x00000000749AE000-memory.dmp
          Download

          memory/1640-5-0x0000000000400000-0x0000000000412000-memory.dmp
          Download

          memory/1640-7-0x0000000000400000-0x0000000000412000-memory.dmp
          Download

          memory/1640-8-0x0000000000400000-0x0000000000412000-memory.dmp
          Download

          memory/1640-9-0x00000000742C0000-0x00000000749AE000-memory.dmp
          Download

          memory/1764-0-0x00000000742C0000-0x00000000749AE000-memory.dmp
          Download

          memory/1764-1-0x0000000000B20000-0x0000000000B21000-memory.dmp
          Download

          memory/1764-3-0x0000000000810000-0x0000000000823000-memory.dmp
          Download