General

  • Target

    321d0c4f1bbb44c53cd02186107a18b7a44c840a9a5f0a78bdac06868136b72c

  • Size

    896KB

  • Sample

    211209-pkqscacaa8

  • MD5

    b5045d802394f4560280a7404af69263

  • SHA1

    73e1c941a9e639d5ed4779af9a818d2f253dacd1

  • SHA256

    321d0c4f1bbb44c53cd02186107a18b7a44c840a9a5f0a78bdac06868136b72c

  • SHA512

    93ac02b1aeaf0ab747c55ec434a08e78d150845124aede91b212e92eba68e526d3aa874ebcd54b19f899b1d36ca382c2168b109b9306794bca041ed499ec05c0

Malware Config

Targets

    • Target

      321d0c4f1bbb44c53cd02186107a18b7a44c840a9a5f0a78bdac06868136b72c

    • Size

      896KB

    • MD5

      b5045d802394f4560280a7404af69263

    • SHA1

      73e1c941a9e639d5ed4779af9a818d2f253dacd1

    • SHA256

      321d0c4f1bbb44c53cd02186107a18b7a44c840a9a5f0a78bdac06868136b72c

    • SHA512

      93ac02b1aeaf0ab747c55ec434a08e78d150845124aede91b212e92eba68e526d3aa874ebcd54b19f899b1d36ca382c2168b109b9306794bca041ed499ec05c0

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Clears Windows event logs

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

2
T1031

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Indicator Removal on Host

1
T1070

File Deletion

2
T1107

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

3
T1490

Tasks