General

  • Target

    4e86a17fac79bfe0857a2e2fa3734bb4af985f0afa118b43185734a8f3015a3d

  • Size

    4.2MB

  • Sample

    230606-2rkwwsge9s

  • MD5

    5e9d25df150d4ab935ba9b9b49455f7c

  • SHA1

    7dd213acbf75d86d051e4aefa905e5b0471c7032

  • SHA256

    4e86a17fac79bfe0857a2e2fa3734bb4af985f0afa118b43185734a8f3015a3d

  • SHA512

    fb14a8d8c4a615b3ebe3e4bc6186ce7eae028c79d86d0d6e5daf96b588e92d17efa1260071f02e4edf894f3faec736ade82d9f52727735f20f895c692f647cc8

  • SSDEEP

    98304:YpjGb0Pg7YgkXMGp2wJncYbqkxEXKJX4478CQikEd6UOl:YpjvTgAlp5Jcwr+aisdQjEQUU

Malware Config

Targets

    • Target

      4e86a17fac79bfe0857a2e2fa3734bb4af985f0afa118b43185734a8f3015a3d

    • Size

      4.2MB

    • MD5

      5e9d25df150d4ab935ba9b9b49455f7c

    • SHA1

      7dd213acbf75d86d051e4aefa905e5b0471c7032

    • SHA256

      4e86a17fac79bfe0857a2e2fa3734bb4af985f0afa118b43185734a8f3015a3d

    • SHA512

      fb14a8d8c4a615b3ebe3e4bc6186ce7eae028c79d86d0d6e5daf96b588e92d17efa1260071f02e4edf894f3faec736ade82d9f52727735f20f895c692f647cc8

    • SSDEEP

      98304:YpjGb0Pg7YgkXMGp2wJncYbqkxEXKJX4478CQikEd6UOl:YpjvTgAlp5Jcwr+aisdQjEQUU

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks