Analysis

  • max time kernel
    69s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    05-07-2020 16:06

General

  • Target

    28e52d320f9d8f6c39867be883885bc4.exe

  • Size

    477KB

  • MD5

    28e52d320f9d8f6c39867be883885bc4

  • SHA1

    6c9e57aee24b0886e53947c27802ff9eb7127613

  • SHA256

    be4665b6893df394fdb9de5f4a76a5849c3e932713a177ac915ea4beabb555a6

  • SHA512

    cb476655414ea5c7fa83545c0d4856e96eebb902b47fc01985ef4f370bab3f05f3f9295d0531a1db4323b67dc4f1c9a23bdbd31632341aacb755db41d5912a11

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 - 16:06:14 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 (685 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\28e52d320f9d8f6c39867be883885bc4.exe
    "C:\Users\Admin\AppData\Local\Temp\28e52d320f9d8f6c39867be883885bc4.exe"
    1⤵
    • Checks for installed software on the system
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\28e52d320f9d8f6c39867be883885bc4.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3364
      • 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\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/2600-15-0x0000000000000000-mapping.dmp

  • memory/3100-0-0x0000000000FD1000-0x0000000000FD2000-memory.dmp

    Filesize

    4KB

  • memory/3100-1-0x00000000010C0000-0x00000000010C1000-memory.dmp

    Filesize

    4KB

  • memory/3364-13-0x0000000000000000-mapping.dmp