General

  • Target

    87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6.exe

  • Size

    41KB

  • Sample

    241028-dcy8zaydmb

  • MD5

    f4359c2c10233e0532b1456866d1dbfc

  • SHA1

    18f4e7c0d3d94f89995ab7d2abd4bf01b250021d

  • SHA256

    87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6

  • SHA512

    de6baac827e7ff507192f956c6d1e374d7c0594ae33b6e766d6d5691d888ff383b1fe8f3f8ba211755fb36257bb83ad0cc605722cde0963f280bf923acce90f4

  • SSDEEP

    768:6n3kI0xpAp6Br9StxXTVeVDC1SRUSnSk5mzAz2URJNZovB9VqiE7b7ed:A3kI3UBr9StGVhtSLzk2UR+v7VuSd

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\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

      87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6.exe

    • Size

      41KB

    • MD5

      f4359c2c10233e0532b1456866d1dbfc

    • SHA1

      18f4e7c0d3d94f89995ab7d2abd4bf01b250021d

    • SHA256

      87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6

    • SHA512

      de6baac827e7ff507192f956c6d1e374d7c0594ae33b6e766d6d5691d888ff383b1fe8f3f8ba211755fb36257bb83ad0cc605722cde0963f280bf923acce90f4

    • SSDEEP

      768:6n3kI0xpAp6Br9StxXTVeVDC1SRUSnSk5mzAz2URJNZovB9VqiE7b7ed:A3kI3UBr9StGVhtSLzk2UR+v7VuSd

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Chaos family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • 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.

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks