General

  • Target

    9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f

  • Size

    3.9MB

  • Sample

    220524-yka7bsbafr

  • MD5

    1785d20bbf66ac8afd66138781b5b9e9

  • SHA1

    a00fac5ec41193251feabd003c8af8beb4a45d40

  • SHA256

    9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f

  • SHA512

    95165609140e45d4f4e31170f38eb4964e49742de3ecdd04d6ab3b3dc5e72aada6f76976be025b87a06e8ea7131ef80cb6ad7cf782e1eaaa8c31d8cfcb2afbe8

Malware Config

Targets

    • Target

      9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f

    • Size

      3.9MB

    • MD5

      1785d20bbf66ac8afd66138781b5b9e9

    • SHA1

      a00fac5ec41193251feabd003c8af8beb4a45d40

    • SHA256

      9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f

    • SHA512

      95165609140e45d4f4e31170f38eb4964e49742de3ecdd04d6ab3b3dc5e72aada6f76976be025b87a06e8ea7131ef80cb6ad7cf782e1eaaa8c31d8cfcb2afbe8

    • 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

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

1
T1012

Tasks