Overview

overview

10

Static

static

10

4d0294b990...le.exe

windows7_x64

10

4d0294b990...le.exe

windows10_x64

8

Analysis

  • max time kernel
    118s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    16/12/2020, 13:11

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General

  • Target

    4d0294b99043ac0ee0c9ce751e94f11244474803b16028347eab6437e9aaaafa.bin.sample.exe

  • Size

    31KB

  • MD5

    17203842d20a3f9f1bd351fa1e74bc0a

  • SHA1

    aab2c104c49616776c563e667a211b62b37a2891

  • SHA256

    4d0294b99043ac0ee0c9ce751e94f11244474803b16028347eab6437e9aaaafa

  • SHA512

    b29e928a20e1969545f3172ab37a75ef8d4b3d896b68fc55a2be1ae74214d2456ce994f589feb5dc33d21d21ef3dae44d81d48fc3c524288c96d60aa6a7c053a

Score
10/10
xoristpersistenceransomwarespyware

Malware Config

Signatures

  • Detected Xorist Ransomware 4 IoCs
  • Xorist Ransomware

    Xorist is a ransomware first seen in 2020.

    ransomwarexorist
  • Drops file in Drivers directory 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in System32 directory 927 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Drops file in Program Files directory 4067 IoCs
  • Drops file in Windows directory 15524 IoCs
  • Modifies registry class 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d0294b99043ac0ee0c9ce751e94f11244474803b16028347eab6437e9aaaafa.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\4d0294b99043ac0ee0c9ce751e94f11244474803b16028347eab6437e9aaaafa.bin.sample.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies extensions of user files
    • Drops startup file
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    PID:1584
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\HOW TO DECRYPT FILES.txt
    1⤵
      PID:1636
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\HOW TO DECRYPT FILES.txt
      1⤵
        PID:1068
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\HOW TO DECRYPT FILES.txt
        1⤵
          PID:540
        • C:\Users\Admin\AppData\Local\Temp\9Jco18128GARf90.exe
          "C:\Users\Admin\AppData\Local\Temp\9Jco18128GARf90.exe"
          1⤵
          • Executes dropped EXE
          PID:684
        • C:\Users\Admin\AppData\Local\Temp\9Jco18128GARf90.exe
          "C:\Users\Admin\AppData\Local\Temp\9Jco18128GARf90.exe"
          1⤵
          • Executes dropped EXE
          PID:1464
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HOW TO DECRYPT FILES.txt
          1⤵
            PID:576
          • C:\Users\Admin\AppData\Local\Temp\9Jco18128GARf90.exe
            "C:\Users\Admin\AppData\Local\Temp\9Jco18128GARf90.exe"
            1⤵
            • Executes dropped EXE
            PID:1812

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1624-3-0x000007FEF68D0000-0x000007FEF6B4A000-memory.dmp

            Filesize

            2.5MB

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