Overview

overview

10

Static

static

10

923dddc478...b2.exe

windows7-x64

10

923dddc478...b2.exe

windows10-2004-x64

10

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General

  • Target

    275856a4945996b6b6c211a0835ac1443549d76ebed9eb0e7b9a7711d44fe49b

  • Size

    328KB

  • Sample

    240514-rxr72sbc84

  • MD5

    2f277a05a52730c2da5004994fd681fd

  • SHA1

    873cb00c1964f35c34d6057e2659ff1274d3f567

  • SHA256

    275856a4945996b6b6c211a0835ac1443549d76ebed9eb0e7b9a7711d44fe49b

  • SHA512

    dec2de0fb7ba9221ea9c9f5c8f1716e4a335c8f2e79e187b22b65d5e768dae68addfe0b75648537b236c1785c3c247ea3fcbad4910768508a0fda052b9c86046

  • SSDEEP

    6144:xh/Q6vyDfgvD0lonbWjcQJOH9LjZZCBcWe5qXVUis4AbSQvhtt8:xhY6OgvtyOLfCJe5qXii7Ajht+

Score
10/10
chaosransomwarespywarestealer

Malware Config

Targets

    • Target

      923dddc478a17d0adf0c86d1b5eb709ea4b48114cbb2c0e72052bd69caae95b2

    • Size

      713KB

    • MD5

      4bff5ddaa43a2342fdd1bbae21522141

    • SHA1

      f3b5c279fa1b9c7abb03e2a11c2c3965ef9eb8d3

    • SHA256

      923dddc478a17d0adf0c86d1b5eb709ea4b48114cbb2c0e72052bd69caae95b2

    • SHA512

      f184cdeafabdb214564a7f90b2f3b60e1e2c8f70769e6679e2bd75243d02e83b69b27021a7fce2e58719537b3cff4b010a2007b4441d25d6fde6553d4801237e

    • SSDEEP

      12288:hA7D8KKjkzC1Xa7e5HSyOXxlktEWFJF1XLpXLFLSiC56JHOtDmcIJAVcZ3BAT2kb:P4mWopxZJAT

    Score
    10/10
    chaosransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Renames multiple (215) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks