Analysis

  • max time kernel
    150s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    30-06-2020 06:16

General

  • Target

    qweq.exe

  • Size

    524KB

  • MD5

    8353ae9237665633907156980d73fa40

  • SHA1

    d5c406c9110363d1b1afce922f4d862169df85e4

  • SHA256

    7470133d3007e06a3444978fa8d8fc9961eb153c3cafeefc1ab2da05b9fe2cae

  • SHA512

    d8849730c70ae01dab287585a02191b5255e3a2d2340e7c750f8d8876446d1d276776a155a9697f03a739f3c8a2cf36c0afa0f822c9c37c5b519c7fd9302dd45

Malware Config

Extracted

Path

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

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.11 Release Build compiled on Sat Jun 20 01:07:56 2020 Launched at: 2020.06.30 - 08:16:14 GMT Bot_ID: 58B98E61-8F0C-4164-9CA8-CBDF20304A02_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: DJRWGDLZ - Username: Admin - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (402 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Signatures

  • Loads dropped DLL 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Deletes itself 1 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.

  • Checks for installed software on the system 1 TTPs 30 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

Processes

  • C:\Users\Admin\AppData\Local\Temp\qweq.exe
    "C:\Users\Admin\AppData\Local\Temp\qweq.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    • Checks for installed software on the system
    PID:1356
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\qweq.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Deletes itself
      PID:320
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:572

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\msvcp140.dll

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

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

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\vcruntime140.dll

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

  • memory/320-10-0x0000000000000000-mapping.dmp

  • memory/572-11-0x0000000000000000-mapping.dmp

  • memory/1356-0-0x000000000377C000-0x000000000377D000-memory.dmp

    Filesize

    4KB

  • memory/1356-1-0x0000000003860000-0x0000000003871000-memory.dmp

    Filesize

    68KB