General

  • Target

    2024-04-23_fa2bc41c30b3a2941d80fc425fc2a77c_wannacry

  • Size

    279KB

  • Sample

    240423-lh5xpsfb96

  • MD5

    fa2bc41c30b3a2941d80fc425fc2a77c

  • SHA1

    5691f15157cbc09cab0c8060fda383b10a5d08d4

  • SHA256

    7aa856f4de63761e009aab09314a53181fece93c83d683f34144cc5a5d3f5745

  • SHA512

    66cd14cdbeb7b112f7c976bae986c9cbe95bfc40a79233d6a6fe98bd2084ff43cdab9a3b0d02c2ad3b6ae0c24540c106e75f59805680c81a37858b0c34a8157b

  • SSDEEP

    3072:bN3/0c9VyUSG0jZ6Km+q9aYZBDn/wxCotkzHzvnOlo+lDLcRkchuJItSNVdWand:Bcc9kxjUlauIhoa4jpt

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\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 $5000. 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: 0.077 BTC Bitcoin Address: bc1qdzwmcv9m0uz9c5s7jcvd2y3hjgd68xyc7sgtlm When paid send Screenshot , Download Tox and message us using this Tox ID Tox Id: EB022AB3ACEAC60B82E9ADE0C2590D6D7753EFB8BFE272F074E2ACB18E5F3D1FCE1E844E3FD7 When Confirmed we send you the Decryptor.

Targets

    • Target

      2024-04-23_fa2bc41c30b3a2941d80fc425fc2a77c_wannacry

    • Size

      279KB

    • MD5

      fa2bc41c30b3a2941d80fc425fc2a77c

    • SHA1

      5691f15157cbc09cab0c8060fda383b10a5d08d4

    • SHA256

      7aa856f4de63761e009aab09314a53181fece93c83d683f34144cc5a5d3f5745

    • SHA512

      66cd14cdbeb7b112f7c976bae986c9cbe95bfc40a79233d6a6fe98bd2084ff43cdab9a3b0d02c2ad3b6ae0c24540c106e75f59805680c81a37858b0c34a8157b

    • SSDEEP

      3072:bN3/0c9VyUSG0jZ6Km+q9aYZBDn/wxCotkzHzvnOlo+lDLcRkchuJItSNVdWand:Bcc9kxjUlauIhoa4jpt

    • 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.

    • 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.

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

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

Modify Registry

1
T1112

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

Defacement

1
T1491

Tasks