Analysis

  • max time kernel
    61s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    10-07-2020 05:10

General

  • Target

    9a31a01f8e6fd171bc5e6bcdba4ef0c4.exe

  • Size

    1.0MB

  • MD5

    9a31a01f8e6fd171bc5e6bcdba4ef0c4

  • SHA1

    6bac9e69835450235fa6ff9580f3c35a46df526b

  • SHA256

    2474c1ce1d299fd2234e7b10f6e464861151bf53e68f15a2a944dbeb56e5e0e9

  • SHA512

    d162b78512cb5890fdb42c7ae595c10fe37e362d733d1d9f114a1fae6aeec89fcfd3458dbc2d879c48710d04134a877d7bfea01b031a79e0b528a9d1157aa71a

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 Mon Jul 6 14:33:03 2020 Launched at: 2020.07.10 - 07:10:32 GMT Bot_ID: 58B98E61-8F0C-4164-9CA8-CBDF20304A02_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 0 - Files: 0 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 (424 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Signatures

  • Loads dropped DLL 8 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Deletes itself 1 IoCs
  • Checks for installed software on the system 1 TTPs 30 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a31a01f8e6fd171bc5e6bcdba4ef0c4.exe
    "C:\Users\Admin\AppData\Local\Temp\9a31a01f8e6fd171bc5e6bcdba4ef0c4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Users\Admin\AppData\Local\Temp\9a31a01f8e6fd171bc5e6bcdba4ef0c4.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      • Checks for installed software on the system
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\9a31a01f8e6fd171bc5e6bcdba4ef0c4.exe"
        3⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:268
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:1068

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/268-13-0x0000000000000000-mapping.dmp

  • memory/1028-4-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/1028-3-0x000000000043FA98-mapping.dmp

  • memory/1028-2-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/1068-14-0x0000000000000000-mapping.dmp

  • memory/1412-1-0x0000000000000000-0x0000000000000000-disk.dmp