Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27/05/2021, 18:53

General

  • Target
    ce75037e138d10403d71403b36201bc2.exe
  • Size 558KB
  • Sample210527-vsx5syft82
  • SHA256 54fd2d3eff97caa7dff88d9f1b8c79d650a88c4d7e64a99656ead19db5946b1a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • 7f6f1a71bebae5a113e0de986c62d83471cee5c8

Attributes
  • url4cnc

    https://tttttt.me/baudemars

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce75037e138d10403d71403b36201bc2.exe
    "C:\Users\Admin\AppData\Local\Temp\ce75037e138d10403d71403b36201bc2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\ce75037e138d10403d71403b36201bc2.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:3084

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4008-114-0x00000000020F0000-0x0000000002181000-memory.dmp

        memory/4008-115-0x0000000000400000-0x0000000000494000-memory.dmp