Analysis

  • max time kernel
    143s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    07/10/2021, 12:11

General

  • Target
    cb3f847ae3b0e57d90631bc615527ef9.exe
  • Size 483KB
  • Sample211007-pcmeyscehr
  • SHA256 fd9cceca8b8a195da00f864f7d8642a6b4c4c8c9bdae8620d846d81335ef9130
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Version
  • 1.8.2

Botnet
  • 8d179b9e611eee525425544ee8c6d77360ab7cd9

Attributes
  • url4cnc

    http://teletop.top/agrybirdsgamerept

    http://teleta.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

  • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

  • 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\cb3f847ae3b0e57d90631bc615527ef9.exe
    "C:\Users\Admin\AppData\Local\Temp\cb3f847ae3b0e57d90631bc615527ef9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\cb3f847ae3b0e57d90631bc615527ef9.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:756
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:908

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1128-53-0x0000000074B41000-0x0000000074B43000-memory.dmp

        memory/1128-54-0x00000000008B0000-0x000000000093E000-memory.dmp

        memory/1128-55-0x0000000000400000-0x00000000008A8000-memory.dmp