Analysis

  • max time kernel
    134s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    26/04/2021, 06:29

General

  • Target
    b6b02648ddfc6a19e245420e37c855a7.exe
  • Size 511KB
  • Sample210426-lywv424h2n
  • SHA256 9d8cc2da96af9bb56881796ebeace41e1ae42cc71fb352a2526d2da7bae1c097
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • 0edc595f7019893efa9faa3afd9ed6df6023e92c

Attributes
  • url4cnc

    https://telete.in/tomarsjsmith3

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\b6b02648ddfc6a19e245420e37c855a7.exe
    "C:\Users\Admin\AppData\Local\Temp\b6b02648ddfc6a19e245420e37c855a7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\b6b02648ddfc6a19e245420e37c855a7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:3864

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1808-114-0x0000000002E60000-0x0000000002EF1000-memory.dmp

        memory/1808-115-0x0000000000400000-0x0000000002BF0000-memory.dmp