Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    30-06-2020 09:07

General

  • Target

    d35885b4fb119cf0d6961954b69a725e.exe

  • Size

    667KB

  • MD5

    d35885b4fb119cf0d6961954b69a725e

  • SHA1

    6344c0b0670faa8e3d2b2dcba34a18a13f39ec9d

  • SHA256

    2629fbf7fe8007bd4d7f4dd95858d57c35e91d63ea72ab6afb8c84b9b08f99ea

  • SHA512

    fefbfab17c52745f2abafbd810623d5c0bce2d7c4a8bfa047e34ccaf309e865bddce64d20f874bbfa1adf32e5919e425a0bc517e81cded3eb84ffca153eee064

Malware Config

Extracted

Path

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

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.11 Release Build compiled on Fri May 8 14:39:40 2020 Launched at: 2020.06.30 - 09:07:28 GMT Bot_ID: 664A9041-4AC4-46F3-B3DC-87DB4D57890E_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.51 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: GOHCSFBB - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (677 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Loads dropped DLL 8 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Suspicious use of WriteProcessMemory 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks for installed software on the system 1 TTPs 31 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.

  • Delays execution with timeout.exe 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d35885b4fb119cf0d6961954b69a725e.exe
    "C:\Users\Admin\AppData\Local\Temp\d35885b4fb119cf0d6961954b69a725e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    • Checks for installed software on the system
    PID:976
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\d35885b4fb119cf0d6961954b69a725e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:3172

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

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

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

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll

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

  • memory/976-0-0x0000000001B79000-0x0000000001B7A000-memory.dmp

    Filesize

    4KB

  • memory/976-2-0x00000000039D0000-0x00000000039D1000-memory.dmp

    Filesize

    4KB

  • memory/976-1-0x00000000039D0000-0x00000000039D1000-memory.dmp

    Filesize

    4KB

  • memory/2568-19-0x0000000000000000-mapping.dmp

  • memory/3172-20-0x0000000000000000-mapping.dmp