General

  • Target

    64b5b50e0d4eca9666f5069c0bb73bc9eefac9822c6de859b2c3d5a3cb02b8a2

  • Size

    4.2MB

  • Sample

    230607-flxslshd9y

  • MD5

    57df49d01fe9dec1ccade1408989ab77

  • SHA1

    b6d82b50e0ab2fc45b4e6867edd6f00ec04c32bc

  • SHA256

    64b5b50e0d4eca9666f5069c0bb73bc9eefac9822c6de859b2c3d5a3cb02b8a2

  • SHA512

    bfaf17275a3401a3a1ab090dd04de68cde18c3a77d29699e342ee795f5c1fb625512d05609b091dce2784002ad7f5e93897b9d31122c576f78c3933f4e033af8

  • SSDEEP

    98304:EV3QELaGwo1qDyz+mxXMY+SZa6ZKRD/StVVtijF8Vdcthmj:EVgExzqDGjFZxZyR8VVMiAth8

Malware Config

Targets

    • Target

      64b5b50e0d4eca9666f5069c0bb73bc9eefac9822c6de859b2c3d5a3cb02b8a2

    • Size

      4.2MB

    • MD5

      57df49d01fe9dec1ccade1408989ab77

    • SHA1

      b6d82b50e0ab2fc45b4e6867edd6f00ec04c32bc

    • SHA256

      64b5b50e0d4eca9666f5069c0bb73bc9eefac9822c6de859b2c3d5a3cb02b8a2

    • SHA512

      bfaf17275a3401a3a1ab090dd04de68cde18c3a77d29699e342ee795f5c1fb625512d05609b091dce2784002ad7f5e93897b9d31122c576f78c3933f4e033af8

    • SSDEEP

      98304:EV3QELaGwo1qDyz+mxXMY+SZa6ZKRD/StVVtijF8Vdcthmj:EVgExzqDGjFZxZyR8VVMiAth8

    • 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