General

  • Target

    0640ebcd10c12c2d4704b20200eb474e15007a9fa494f892c40536d950528b6e

  • Size

    3.8MB

  • Sample

    220524-rbkk3sdfd3

  • MD5

    da1988969d24b1f187c1fa8885ae91f8

  • SHA1

    4817097ba08b75653a4b32e7c1a207d8aae437ea

  • SHA256

    0640ebcd10c12c2d4704b20200eb474e15007a9fa494f892c40536d950528b6e

  • SHA512

    c8fa5bdd0e615ef66ad31e2d84fb6297745621a892b088b9499f49157f39e4cda3a99186ef4b1af628cde3e527642583efd9ae78af987a8c1017ee508589e6e4

Malware Config

Targets

    • Target

      0640ebcd10c12c2d4704b20200eb474e15007a9fa494f892c40536d950528b6e

    • Size

      3.8MB

    • MD5

      da1988969d24b1f187c1fa8885ae91f8

    • SHA1

      4817097ba08b75653a4b32e7c1a207d8aae437ea

    • SHA256

      0640ebcd10c12c2d4704b20200eb474e15007a9fa494f892c40536d950528b6e

    • SHA512

      c8fa5bdd0e615ef66ad31e2d84fb6297745621a892b088b9499f49157f39e4cda3a99186ef4b1af628cde3e527642583efd9ae78af987a8c1017ee508589e6e4

    • Glupteba

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

    • Glupteba Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Loads dropped DLL

    • 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.

    • Modifies boot configuration data using bcdedit

    • 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

4
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

Tasks