Analysis

  • max time kernel
    26s
  • max time network
    96s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    20/12/2020, 16:46

General

  • Target
    8646bfd2-3342-4adf-9a67-88ab2fcc212e.exe
  • Size 502KB
  • Sample201220-qwlvfs3wnx
  • SHA256 da0863c8100f03955cdc4f964d9931c1921e46cc1b9318aebc88dff4cfad4906
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Loads dropped DLL 6 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.

  • JavaScript code in executable 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8646bfd2-3342-4adf-9a67-88ab2fcc212e.exe
    "C:\Users\Admin\AppData\Local\Temp\8646bfd2-3342-4adf-9a67-88ab2fcc212e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\8646bfd2-3342-4adf-9a67-88ab2fcc212e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:4052

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1304-2-0x0000000005556000-0x0000000005557000-memory.dmp

        memory/1304-3-0x00000000057F0000-0x00000000057F1000-memory.dmp