Analysis

  • max time kernel
    19s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    25/08/2021, 07:32

General

  • Target
    41fc44fd7b8e5b0b4598b465f6dd8324.exe
  • Size 528KB
  • Sample210825-278d56vgve
  • SHA256 fe74fdada2cc433e9912a1639d11c11bef71a7562b769ebd4e0221fb39e3e566
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • be3395cf599097fd64683b3929fb99405a85dd04

Attributes
  • url4cnc

    https://telete.in/youyouhell0world

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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\41fc44fd7b8e5b0b4598b465f6dd8324.exe
    "C:\Users\Admin\AppData\Local\Temp\41fc44fd7b8e5b0b4598b465f6dd8324.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\41fc44fd7b8e5b0b4598b465f6dd8324.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:396

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3912-114-0x0000000003FC0000-0x000000000404F000-memory.dmp

        memory/3912-115-0x0000000000400000-0x00000000023EF000-memory.dmp