Analysis

  • max time kernel
    91s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2022 02:33

General

  • Target

    48ed28cfb53a72e291f67a4f4cd11b9a7bcff5301359ade0c543be72b536ed7d.exe

  • Size

    164KB

  • MD5

    15039abc55ac99be0247c70d51482ed4

  • SHA1

    f8c1169174ef77542c8951229e338a2dab3e54f8

  • SHA256

    48ed28cfb53a72e291f67a4f4cd11b9a7bcff5301359ade0c543be72b536ed7d

  • SHA512

    7c4da14da92e89dd8f06bc0f0a9ceaf490e479dd41192a4d0c69cbd60564546b559ea7852bb42f66eb505aa7b3c690ec6b3c736b2792b834e5072b6c9ffbe630

  • SSDEEP

    3072:MLs3F0jdrUa3Z3TVixrZ2O1l6ZSOSVU2g//MdCglw5Euv1Ft5MM1o3u64DE:gQF0JIgZ3T0Z2aimHg//bglEN/IedD

Malware Config

Signatures

  • Detected Xorist Ransomware 5 IoCs
  • Xorist Ransomware

    Xorist is a ransomware first seen in 2020.

  • Drops file in Drivers directory 1 IoCs
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 16 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48ed28cfb53a72e291f67a4f4cd11b9a7bcff5301359ade0c543be72b536ed7d.exe
    "C:\Users\Admin\AppData\Local\Temp\48ed28cfb53a72e291f67a4f4cd11b9a7bcff5301359ade0c543be72b536ed7d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\AppData\Local\Temp\48ed28cfb53a72e291f67a4f4cd11b9a7bcff5301359ade0c543be72b536ed7d.exe
      C:\Users\Admin\AppData\Local\Temp\48ed28cfb53a72e291f67a4f4cd11b9a7bcff5301359ade0c543be72b536ed7d.exe
      2⤵
      • Drops file in Drivers directory
      • Modifies extensions of user files
      • 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:4920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4060-132-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/4060-135-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/4920-133-0x0000000000000000-mapping.dmp

  • memory/4920-134-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4920-137-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4920-138-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4920-139-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4920-140-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4920-141-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4920-142-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB