Analysis

  • max time kernel
    141s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    02/10/2021, 15:16

General

  • Target
    63d9d211e1fae3e169ecd91e81e7ce5f10c43c35a2194.exe
  • Size 513KB
  • Sample211002-snf9vsedd6
  • SHA256 63d9d211e1fae3e169ecd91e81e7ce5f10c43c35a2194340cbd85341dc323c4f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • �u'h�Y�����&s҈���Kcc,d�6�1�>�-�

Attributes
  • url4cnc

    �cb{K^�WXP�۸��fB:O�٩٭w<n'�>�+�d�?�]�e?$g����k�J��6�:������$Q

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63d9d211e1fae3e169ecd91e81e7ce5f10c43c35a2194.exe
    "C:\Users\Admin\AppData\Local\Temp\63d9d211e1fae3e169ecd91e81e7ce5f10c43c35a2194.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\63d9d211e1fae3e169ecd91e81e7ce5f10c43c35a2194.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:776
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:540

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1144-54-0x0000000076581000-0x0000000076583000-memory.dmp

        memory/1144-55-0x0000000000220000-0x00000000002AE000-memory.dmp

        memory/1144-56-0x0000000000400000-0x00000000008B0000-memory.dmp