Analysis

  • max time kernel
    26s
  • max time network
    66s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27/06/2021, 13:21

General

  • Target
    8be2a28d5063f4053e1f78ebd401fb77.exe
  • Size 596KB
  • Sample210627-prkkc3whcx
  • SHA256 1c1e85ff09ebbcbf9ed57aac37a053aae5e58cd778dc91f2a1eb9c1119b2843a
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Downloads MZ/PE file
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\8be2a28d5063f4053e1f78ebd401fb77.exe
    "C:\Users\Admin\AppData\Local\Temp\8be2a28d5063f4053e1f78ebd401fb77.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:672
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\8be2a28d5063f4053e1f78ebd401fb77.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:860
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:3880

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/672-114-0x0000000000A40000-0x0000000000B8A000-memory.dmp

        memory/672-115-0x0000000000400000-0x0000000000934000-memory.dmp