Analysis

  • max time kernel
    82s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    24-07-2020 09:28

General

  • Target

    presentation2020_v3.xls.exe

  • Size

    798KB

  • MD5

    c416438f415469141c8c868de2fc262d

  • SHA1

    e54858f2a8039f36042c4b8bb95080e91a3d684a

  • SHA256

    02c9224f7336063b1eeafbdc3b3fd53acd767853d8a63e3e7fd65c1fb4c127f4

  • SHA512

    dd397eb7fa68ff3d72af5b1cb938cd932635e3d5221b116578b063ebac9bf0b759ba6b082cb2ca61cc4b7076601857bc66150ccc6266612f8be81a0bd5ba4c2e

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: 2020.07.24 - 11:29:12 GMT Bot_ID: 750D7400-3B08-415E-A8B0-2695D81425F5_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: UCQFZDUI - 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 (458 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Signatures

  • 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 installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of WriteProcessMemory 39 IoCs
  • Loads dropped DLL 10 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • JavaScript code in executable 1 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Delays execution with timeout.exe 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\presentation2020_v3.xls.exe
    "C:\Users\Admin\AppData\Local\Temp\presentation2020_v3.xls.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Loads dropped DLL
    PID:836
    • C:\Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe
        "{path}"
        3⤵
        • Suspicious use of WriteProcessMemory
        • Loads dropped DLL
        • Executes dropped EXE
        • Modifies system certificate store
        PID:1572
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2028
          • C:\Windows\SysWOW64\timeout.exe
            timeout /T 10 /NOBREAK
            5⤵
            • Delays execution with timeout.exe
            PID:1564
    • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde
      2⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1500

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\business-plan-workbook.xlsx

  • C:\Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe

  • C:\Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe

  • C:\Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe

  • \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

  • \Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe

  • \Users\Admin\AppData\Local\Temp\presentation_app_launcher.exe

  • memory/1212-1-0x0000000000000000-mapping.dmp

  • memory/1212-7-0x0000000000000000-0x0000000000000000-disk.dmp

  • memory/1500-4-0x0000000000000000-mapping.dmp

  • memory/1564-22-0x0000000000000000-mapping.dmp

  • memory/1572-10-0x000000000043FA98-mapping.dmp

  • memory/1572-9-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/1572-12-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/2028-21-0x0000000000000000-mapping.dmp