Analysis

  • max time kernel
    89s
  • max time network
    91s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    02-10-2021 10:10

General

  • Target

    c8457e14bf16d40d5e7f36f81982957ffa6cd2fe17a7c1a37333a133effc41a8.exe

  • Size

    512KB

  • MD5

    de53e8d73fe96e1ceab93e3aee4751ec

  • SHA1

    98e010e66213ba828ead9debe86263bca9407509

  • SHA256

    c8457e14bf16d40d5e7f36f81982957ffa6cd2fe17a7c1a37333a133effc41a8

  • SHA512

    e2e692971b0fb5b1244b08e952045f6b342f968a2f5ba8f3d28b3e4cd0bf34af89c63a1923ca16991c43e6376cbab113b3c43d194dc8639ce8d04881bfdc95c5

Malware Config

Extracted

Family

raccoon

Version

1.8.2

Botnet

fd16367b73441d6f39c715f71a74a399a84f0b41

Attributes
  • url4cnc

    http://teletop.top/terra11nc

    http://teleta.top/terra11nc

    https://t.me/terra11nc

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
  • 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.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 8 IoCs
  • 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8457e14bf16d40d5e7f36f81982957ffa6cd2fe17a7c1a37333a133effc41a8.exe
    "C:\Users\Admin\AppData\Local\Temp\c8457e14bf16d40d5e7f36f81982957ffa6cd2fe17a7c1a37333a133effc41a8.exe"
    1⤵
    • Loads dropped DLL
    • Accesses Microsoft Outlook accounts
    • Accesses Microsoft Outlook profiles
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:3492
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\c8457e14bf16d40d5e7f36f81982957ffa6cd2fe17a7c1a37333a133effc41a8.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:968
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:1920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3492-114-0x0000000000B00000-0x0000000000B8E000-memory.dmp

    Filesize

    568KB

  • memory/3492-115-0x0000000000400000-0x00000000008AF000-memory.dmp

    Filesize

    4.7MB