General

  • Target

    11bd590b5b7e19c15a979e66930392686e55b0a02a19435fc60d1d8a74ed1a9a

  • Size

    4.2MB

  • Sample

    230607-l3cfwsab4x

  • MD5

    243651c2f20e417e7f422791a1ae41fe

  • SHA1

    6b12752c7a9ed0036af38a6e8ffde4818b45f599

  • SHA256

    11bd590b5b7e19c15a979e66930392686e55b0a02a19435fc60d1d8a74ed1a9a

  • SHA512

    e92c4de5bcf57a5e8f16ac4f7f8ab96767bcc6ed7e8c896d89f875cc0e0a94ae7bbbf9b52bda876869c1f186f4e05203868875963dc4548717cfcbe0d29c3e22

  • SSDEEP

    98304:2dEol8irRkCGmAYaU1vro2lE6c40dn6DSM/RTS0A/j:2dNlhM1YazR6cRdDMJS5/j

Malware Config

Targets

    • Target

      11bd590b5b7e19c15a979e66930392686e55b0a02a19435fc60d1d8a74ed1a9a

    • Size

      4.2MB

    • MD5

      243651c2f20e417e7f422791a1ae41fe

    • SHA1

      6b12752c7a9ed0036af38a6e8ffde4818b45f599

    • SHA256

      11bd590b5b7e19c15a979e66930392686e55b0a02a19435fc60d1d8a74ed1a9a

    • SHA512

      e92c4de5bcf57a5e8f16ac4f7f8ab96767bcc6ed7e8c896d89f875cc0e0a94ae7bbbf9b52bda876869c1f186f4e05203868875963dc4548717cfcbe0d29c3e22

    • SSDEEP

      98304:2dEol8irRkCGmAYaU1vro2lE6c40dn6DSM/RTS0A/j:2dNlhM1YazR6cRdDMJS5/j

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

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

    • 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

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks