Analysis

  • max time kernel
    104s
  • max time network
    106s
  • platform
    windows10_x64
  • resource
    win10v200410
  • submitted
    15-04-2020 14:53

General

  • Target

    host.bin.exe

  • Size

    496KB

  • MD5

    e4f4e051625054d753730fd9183c4a34

  • SHA1

    d538ffffd82540752a23d5defc90e501093861bf

  • SHA256

    43eb644d0682f9bc85745c538015ba9ad19b10116792b5e5aa5da33b6c3af797

  • SHA512

    10178975c49c2fc1c414ad1d106d1e46c0fa4bd1748bba24c80b7ff982da034019d69bba3b559255632a8df953dab7ec901b979d8be99ee88efefb3cbd9861a5

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5 Release Build compiled on Tue Apr 7 15:04:24 2020 Launched at: 2020.04.15 - 16:53:27 GMT Bot_ID: 953DAA47-DD2D-4C7C-A4F4-C374A8807DB1_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - ComputerName: NHGEBMNE - Username: Admin - IP: 154.61.71.13 - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (652 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Extracted

Family

raccoon

Botnet

ff236091d9fbac249beeec4137efd72b5327efd9

C2

http://35.240.36.208/gate/log.php

Attributes
  • url4cnc

    https://drive.google.com/uc?export=download&id=12JPrOMXQIwvLmvbb60igt1JLe1WETE6M

rc4.plain
rc4.plain

Signatures

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks for installed software on the system 1 TTPs 30 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs

Processes

  • C:\Users\Admin\AppData\Local\Temp\host.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\host.bin.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\host.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\host.bin.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Loads dropped DLL
      • Checks for installed software on the system
      • Suspicious use of WriteProcessMemory
      PID:296
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\host.bin.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4004
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:3940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll

  • \Users\Admin\AppData\LocalLow\sqlite3.dll

  • memory/296-7-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/296-8-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/3996-2-0x000000000078D000-0x0000000000790000-memory.dmp

    Filesize

    12KB

  • memory/3996-3-0x000000000079E000-0x00000000007A3000-memory.dmp

    Filesize

    20KB

  • memory/3996-4-0x000000000087A000-0x000000000087F000-memory.dmp

    Filesize

    20KB

  • memory/3996-5-0x000000000087A000-0x000000000087F000-memory.dmp

    Filesize

    20KB