Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-es
  • resource tags

    arch:x64arch:x86image:win7-20240903-eslocale:es-esos:windows7-x64systemwindows
  • submitted
    04-11-2024 16:47

General

  • Target

    a5663a1281ae0cb8fc8e858f00b3a5b6cc6084626ec9d07a2d2e226d5df4fb96.exe

  • Size

    360KB

  • MD5

    d18e67d2a58494b2c71b89cacffb2194

  • SHA1

    c1ad5621e0c215a31d10f181c0e9ab3871dcf64d

  • SHA256

    a5663a1281ae0cb8fc8e858f00b3a5b6cc6084626ec9d07a2d2e226d5df4fb96

  • SHA512

    b2c1f6330558d77dd87f81470e0fe9c1b9d1849f621be829c67fe8d52e7d2c2304ca68f0a97e0a5cc409f16d0458cf051739fdd43e78c0b453a9ad466723a7b1

  • SSDEEP

    6144:0sNDYMXrZmzkIZxXn+cAhokJ8zlSOC0b4RHHrpncsZzw1RXE2BYrMEhh3WnM/t9L:0CLNbInn+cw8NNiH9ncsNw1DBYZwnat0

Malware Config

Signatures

  • Detected Xorist Ransomware 5 IoCs
  • Xorist Ransomware

    Xorist is a ransomware first seen in 2020.

  • Xorist family
  • Drops file in Drivers directory 7 IoCs
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 64 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies registry class 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5663a1281ae0cb8fc8e858f00b3a5b6cc6084626ec9d07a2d2e226d5df4fb96.exe
    "C:\Users\Admin\AppData\Local\Temp\a5663a1281ae0cb8fc8e858f00b3a5b6cc6084626ec9d07a2d2e226d5df4fb96.exe"
    1⤵
    • Drops file in Drivers directory
    • 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:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\HOW TO DECRYPT FILES.txt

    Filesize

    383B

    MD5

    eca1b2db16019e4cd5ffb7bdfca70551

    SHA1

    719412e310b24357626c64247bd984c9830a24ce

    SHA256

    580d3b111bf25c4db730da0274d08f90c104a4061c0a255a70c4f7a1ab2571a5

    SHA512

    821314a4c2e3dd02a55b72519018cbc9e4268e0ba046b8aa1ac0f8fcd2fa2a270a8a5173263eae090c74db31e81248b207bd80fe0ee487deb2a66d6d792e8759

  • memory/2844-2-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2844-4755-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2844-4767-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2844-4857-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2844-4858-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2844-4861-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB