General

  • Target

    5fbdea3f452a3615d0716bbf90f1d3d2d428aee2c9769f3335bffe21bbc1ae41

  • Size

    4.1MB

  • Sample

    230607-3rxq5ahh2t

  • MD5

    5256bbb1c1ef81df22f176e02f8f58a3

  • SHA1

    536cff71b5799428d64a615ac34804871303303d

  • SHA256

    5fbdea3f452a3615d0716bbf90f1d3d2d428aee2c9769f3335bffe21bbc1ae41

  • SHA512

    21de762224cccd1791a333d278adeb8aea0322fc847b70401c053dfcb1533b0c0d3888f041ca9d60ed9416d86eb3d56dee9abf6ffcda7204c9af656321838026

  • SSDEEP

    98304:vBN1RAFSgRiVCpISJpdcmes/cLo8j85qRy/lobOo38dE:VWKCpI4pdFo5Hy/loNs6

Malware Config

Targets

    • Target

      5fbdea3f452a3615d0716bbf90f1d3d2d428aee2c9769f3335bffe21bbc1ae41

    • Size

      4.1MB

    • MD5

      5256bbb1c1ef81df22f176e02f8f58a3

    • SHA1

      536cff71b5799428d64a615ac34804871303303d

    • SHA256

      5fbdea3f452a3615d0716bbf90f1d3d2d428aee2c9769f3335bffe21bbc1ae41

    • SHA512

      21de762224cccd1791a333d278adeb8aea0322fc847b70401c053dfcb1533b0c0d3888f041ca9d60ed9416d86eb3d56dee9abf6ffcda7204c9af656321838026

    • SSDEEP

      98304:vBN1RAFSgRiVCpISJpdcmes/cLo8j85qRy/lobOo38dE:VWKCpI4pdFo5Hy/loNs6

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

2
T1082

Tasks