General

  • Target

    2025-02-15_425a2e8a860c48c304dcdfee773d5b6a_chaos_destroyer_wannacry

  • Size

    25KB

  • Sample

    250215-c9ys2atjdk

  • MD5

    425a2e8a860c48c304dcdfee773d5b6a

  • SHA1

    5d50156915c18e62d27a63413214af754a886d14

  • SHA256

    7235c7da3785c4f17a9ba4440f96db0833b422e1dcb453eb84b6212c33078643

  • SHA512

    272da4f27f7bb63f8fc3494c253ecce1ecfae97ed99e64d008d5b1c9046596e0c20b250f5ea3daaa54b407c3e31733046c838a6c7901b06c9b25262197dbe08d

  • SSDEEP

    384:Z0JORJNJLK87gh71pYS2aNDQhOVs91S/nH0b5nW7:hJ68qD2Zt9iUbVa

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\read_it.txt

Family

chaos

Ransom Note
----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Targets

    • Target

      2025-02-15_425a2e8a860c48c304dcdfee773d5b6a_chaos_destroyer_wannacry

    • Size

      25KB

    • MD5

      425a2e8a860c48c304dcdfee773d5b6a

    • SHA1

      5d50156915c18e62d27a63413214af754a886d14

    • SHA256

      7235c7da3785c4f17a9ba4440f96db0833b422e1dcb453eb84b6212c33078643

    • SHA512

      272da4f27f7bb63f8fc3494c253ecce1ecfae97ed99e64d008d5b1c9046596e0c20b250f5ea3daaa54b407c3e31733046c838a6c7901b06c9b25262197dbe08d

    • SSDEEP

      384:Z0JORJNJLK87gh71pYS2aNDQhOVs91S/nH0b5nW7:hJ68qD2Zt9iUbVa

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Chaos family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks