Analysis

  • max time kernel
    121s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    30-06-2020 06:38

General

  • Target

    3a8b3d94217aa414e12e41331720f68d.exe

  • Size

    470KB

  • MD5

    3a8b3d94217aa414e12e41331720f68d

  • SHA1

    df8752a196440a4f265a8bf69e6f4ee188fadab6

  • SHA256

    acab3fc36076df7b6ebddd8341fa6aba592c9be3c31946987fa1429ca8cdb452

  • SHA512

    11f716187c0ed682fa973df641e6167c1b7183a3bff7bc1f0cc32eb5bd0aa533405696423d14a44e7f979080d9408a673cd236a91cd7155327ce56d8e0e57a50

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 - 06:38:23 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 (679 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

  • 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
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a8b3d94217aa414e12e41331720f68d.exe
    "C:\Users\Admin\AppData\Local\Temp\3a8b3d94217aa414e12e41331720f68d.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\3a8b3d94217aa414e12e41331720f68d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:2568

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

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/976-0-0x00000000042B1000-0x00000000042B2000-memory.dmp
    Filesize

    4KB

  • memory/976-1-0x00000000043A0000-0x00000000043A1000-memory.dmp
    Filesize

    4KB

  • memory/1772-10-0x0000000000000000-mapping.dmp
  • memory/2568-11-0x0000000000000000-mapping.dmp