Analysis

  • max time kernel
    135s
  • max time network
    95s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    05-07-2020 07:07

General

  • Target

    1a5850a2cf94a0109c57c2a11af906fb.exe

  • Size

    478KB

  • MD5

    1a5850a2cf94a0109c57c2a11af906fb

  • SHA1

    e3b88d2372fd99402be0b744e6954d48f2537a88

  • SHA256

    f07125e23b0a053b29a6751e938e44e53402f70f67e1af71c7009fcac84d2a2e

  • SHA512

    b945399a75393300f04243b4df21bc00351291e27daa5e1f7ef326e9167e45a91aae9b1802d9688317eb054cbc05d106e6afcd919e562342435950a9e0d605d8

Malware Config

Extracted

Path

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

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Tue Jun 23 14:23:14 2020 Launched at: 2020.07.05 - 09:06:52 GMT Bot_ID: 3E009A64-65D7-465C-9098-F2673DD3F416_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: OWZMOTQA - 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 (687 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

  • Checks for installed software on the system 1 TTPs 31 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Loads dropped DLL 6 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.

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a5850a2cf94a0109c57c2a11af906fb.exe
    "C:\Users\Admin\AppData\Local\Temp\1a5850a2cf94a0109c57c2a11af906fb.exe"
    1⤵
    • Checks for installed software on the system
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\1a5850a2cf94a0109c57c2a11af906fb.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:2600

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\mozglue.dll

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

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

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

  • memory/2204-8-0x0000000000000000-mapping.dmp

  • memory/2600-9-0x0000000000000000-mapping.dmp

  • memory/2804-0-0x0000000001061000-0x0000000001062000-memory.dmp

    Filesize

    4KB

  • memory/2804-1-0x0000000001150000-0x0000000001151000-memory.dmp

    Filesize

    4KB