General

  • Target

    2024-04-28_3ed020bc2731ffa944c786ac70026733_chaos_destroyer_wannacry

  • Size

    23KB

  • Sample

    240428-tzvgasbg59

  • MD5

    3ed020bc2731ffa944c786ac70026733

  • SHA1

    598b4ae87879bc68cba7a73fb7e6b4cca2b39375

  • SHA256

    b7e4587f99764ac6f52f26a06a6aca5bb9041c7f5501114ab10ba1f1fa8afbda

  • SHA512

    fcd846fab1ee2c1cbb28f23aa93b884a483c6638fed607e5c0a1bed76d6bcde79e3248a7e29b9f463e9792ab796e5a8609daabeed3341ce8fcae8fba58cd93e9

  • SSDEEP

    384:r3Mg/bqo2mcxtivp1AN4+X0Z/NJjr91C+xb52ew:Nqo2ptMp1g4+kR7jr9Nxbkew

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

      2024-04-28_3ed020bc2731ffa944c786ac70026733_chaos_destroyer_wannacry

    • Size

      23KB

    • MD5

      3ed020bc2731ffa944c786ac70026733

    • SHA1

      598b4ae87879bc68cba7a73fb7e6b4cca2b39375

    • SHA256

      b7e4587f99764ac6f52f26a06a6aca5bb9041c7f5501114ab10ba1f1fa8afbda

    • SHA512

      fcd846fab1ee2c1cbb28f23aa93b884a483c6638fed607e5c0a1bed76d6bcde79e3248a7e29b9f463e9792ab796e5a8609daabeed3341ce8fcae8fba58cd93e9

    • SSDEEP

      384:r3Mg/bqo2mcxtivp1AN4+X0Z/NJjr91C+xb52ew:Nqo2ptMp1g4+kR7jr9Nxbkew

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detects command variations typically used by ransomware

    • 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)

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

4
T1490

Tasks