General

  • Target

    8b1104c9ca63a0ac592e175347a974599ffd6f9243f53f4cfbc1215be0231355

  • Size

    4.0MB

  • Sample

    230221-j72kgaga2z

  • MD5

    0abf535fb10c740818e32b3a2aac310a

  • SHA1

    a5f869ea789ab85d8adfadf90f61c56c18b236d7

  • SHA256

    8b1104c9ca63a0ac592e175347a974599ffd6f9243f53f4cfbc1215be0231355

  • SHA512

    b618b0047af0d3c86adc310723d5dce7eb4334a524ea78588a1a768be344e519f2acb3a1bde976c58e6e6571eef4f09143d688b915e5db708ffef952daea7951

  • SSDEEP

    98304:oOcl/6p/hXvawWDPCW6slvHtwGl4mbc7kkQ8o6l27FqZCt7h3cU:glyhhXyw2PMIvtZ4vBQ2iqZCUU

Malware Config

Targets

    • Target

      8b1104c9ca63a0ac592e175347a974599ffd6f9243f53f4cfbc1215be0231355

    • Size

      4.0MB

    • MD5

      0abf535fb10c740818e32b3a2aac310a

    • SHA1

      a5f869ea789ab85d8adfadf90f61c56c18b236d7

    • SHA256

      8b1104c9ca63a0ac592e175347a974599ffd6f9243f53f4cfbc1215be0231355

    • SHA512

      b618b0047af0d3c86adc310723d5dce7eb4334a524ea78588a1a768be344e519f2acb3a1bde976c58e6e6571eef4f09143d688b915e5db708ffef952daea7951

    • SSDEEP

      98304:oOcl/6p/hXvawWDPCW6slvHtwGl4mbc7kkQ8o6l27FqZCt7h3cU:glyhhXyw2PMIvtZ4vBQ2iqZCUU

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

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

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks