General

  • Target

    ransomware.exe.zip

  • Size

    161KB

  • Sample

    241102-tz9k8aslhn

  • MD5

    ce19d58a33ce4a02140d74b242a81127

  • SHA1

    f2457afcec0c05989dbaee623e4fad5f4832b810

  • SHA256

    47605791a693db665f7959dec141fbe5be94a4ce85e857952ffc4297954ac671

  • SHA512

    79ad32b65df024b30e71efb3af11b1cf1c5669e22793514843cae2eebee3818cf063890f978088d9eceba3bc35717c39cf2a981db4f85bdbb864836b44d2dd6b

  • SSDEEP

    3072:zXbWAyI65GfqeHwvV1nyh8RS3sPLfl66bIKRqCtOZVtPMyl5M8oeItQcizuDKWJ:XWE6gfqeQ91nS8MsD96KxHtO3xZgVmWJ

Malware Config

Extracted

Path

C:\Users\Admin\Documents\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

      ransomware.exe.bin

    • Size

      381KB

    • MD5

      761e82385ac656cdb40c5b9189ab0cf2

    • SHA1

      f5e22aedb5435af95d2e76abd348661909526437

    • SHA256

      b902f48739fa84be97815b796681a7b337c7bbcad14d436aeb6ba93b9fe5aebd

    • SHA512

      373f3dbaffbd3cd1fed1f1e8cea542025936987830682ca642a88400c053fba0f913a3935cfab5e834c0c18dc459c21f4bee9636c7d790d66605384eb6d7e449

    • SSDEEP

      6144:S4r9rWTixqewT/IDI32oQqDVJ2r1lXohOBkWTXd7umpqb:qmxIIM2ojJ2r1lYhOBkWTphpqb

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Chaos family

    • 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