General

  • Target

    d3dd6f0943aa13f6689f5dbc0b0bc7ae67ee0821edf22a0834296058f6b812a9.exe

  • Size

    25KB

  • Sample

    231012-t1x9ksbd7z

  • MD5

    25d1b2a1165f06a99d6dc824310f959c

  • SHA1

    fb01e16d8afd550aae25994f30342ce495069955

  • SHA256

    d3dd6f0943aa13f6689f5dbc0b0bc7ae67ee0821edf22a0834296058f6b812a9

  • SHA512

    69dd7ae6b3e5b41f17044c617bd65821f16e50f01ad12c163d6a948c81521dec61d79dfd55d0289eeaa5736344fa6193422ed47c1e1c506c2a67d84e22c725af

  • SSDEEP

    384:u0JORJN7LK87gh71pYS2aNLQyOVs91wZzLH0b51W7:uJ88qD2it9aNLUbr6

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

      d3dd6f0943aa13f6689f5dbc0b0bc7ae67ee0821edf22a0834296058f6b812a9.exe

    • Size

      25KB

    • MD5

      25d1b2a1165f06a99d6dc824310f959c

    • SHA1

      fb01e16d8afd550aae25994f30342ce495069955

    • SHA256

      d3dd6f0943aa13f6689f5dbc0b0bc7ae67ee0821edf22a0834296058f6b812a9

    • SHA512

      69dd7ae6b3e5b41f17044c617bd65821f16e50f01ad12c163d6a948c81521dec61d79dfd55d0289eeaa5736344fa6193422ed47c1e1c506c2a67d84e22c725af

    • SSDEEP

      384:u0JORJN7LK87gh71pYS2aNLQyOVs91wZzLH0b51W7:uJ88qD2it9aNLUbr6

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • 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.

    • Disables Task Manager via registry modification

    • 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.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

MITRE ATT&CK Enterprise v15

Tasks