Analysis

  • max time kernel
    121s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    08/10/2021, 04:52

General

  • Target
    044d551343e337fb182558fcf53c40d9.exe
  • Size 552KB
  • Sample211008-fhegvsdcd2
  • SHA256 5dbdce6b20dd0ca2e4d6e328980e222dcebe1ad73f7e5e9c0d8360f06148550e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Version
  • 1.8.2

Botnet
  • 8d179b9e611eee525425544ee8c6d77360ab7cd9

Attributes
  • url4cnc

    http://teletop.top/agrybirdsgamerept

    http://teleta.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Downloads MZ/PE file
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\044d551343e337fb182558fcf53c40d9.exe
    "C:\Users\Admin\AppData\Local\Temp\044d551343e337fb182558fcf53c40d9.exe"
    1⤵
    • Loads dropped DLL
    • Accesses Microsoft Outlook accounts
    • Accesses Microsoft Outlook profiles
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:3596
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\044d551343e337fb182558fcf53c40d9.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4232
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:1636

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3596-116-0x0000000004BA0000-0x0000000004C2E000-memory.dmp

        memory/3596-117-0x0000000000400000-0x0000000002DE2000-memory.dmp