General

  • Target

    bow.exe

  • Size

    22KB

  • Sample

    240423-29ht9acf7w

  • MD5

    9c521c4bc50477b65e51b8c027779b57

  • SHA1

    e9f86154e35c597957be6a47e04ec3f8ca355081

  • SHA256

    001b2843e0af153d71b373962b2c0cf431cf1177b86be8be372717d620495640

  • SHA512

    bf8e44e139fe0c44e47ac182f736e02f0d28222a254883e9e9de6c737ebe1eff5216ea7efdddd1a6b59b06065a7a7afb4f39d7bfda46697b9d67e7aa924335d8

  • SSDEEP

    384:J3MLWHn3kI3fkS0YYpAVgjuxJ3r91CrMbYxPe8:pn3kIcBpAmjC3r9SMbme8

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\read_it.txt

Ransom Note
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 50$. 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: 0.00075000 BTC Bitcoin Address: bc1qtatuanl0ux447zgmgkz0u0plkdu6wpcqwprweg

Targets

    • Target

      bow.exe

    • Size

      22KB

    • MD5

      9c521c4bc50477b65e51b8c027779b57

    • SHA1

      e9f86154e35c597957be6a47e04ec3f8ca355081

    • SHA256

      001b2843e0af153d71b373962b2c0cf431cf1177b86be8be372717d620495640

    • SHA512

      bf8e44e139fe0c44e47ac182f736e02f0d28222a254883e9e9de6c737ebe1eff5216ea7efdddd1a6b59b06065a7a7afb4f39d7bfda46697b9d67e7aa924335d8

    • SSDEEP

      384:J3MLWHn3kI3fkS0YYpAVgjuxJ3r91CrMbYxPe8:pn3kIcBpAmjC3r9SMbme8

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos 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.

    • Drops desktop.ini file(s)

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks