General

  • Target

    0c63257d1fd65449922a9a2835b9a8284e5c1da6495586f24ae86f2b8a3ff01a

  • Size

    4.1MB

  • Sample

    230329-l75cgahd7v

  • MD5

    d3ad3e4399e91fca86fe19c2a1b6bfbb

  • SHA1

    8959d518f7b685439b8a6d4ba8556f176a1063e2

  • SHA256

    0c63257d1fd65449922a9a2835b9a8284e5c1da6495586f24ae86f2b8a3ff01a

  • SHA512

    83386faed8c4b442f769931c2dec42145c9a8a087b887ae44fb63db3c198be1a4e17ba59a8d1cca9584eba79ee0d4d2c5455d3e916725c6a9dc7eacfe3d249bd

  • SSDEEP

    98304:dgDaCFb6F3+G/r+eLPqz9ttPc9cWMNfHla/sghWgL3zq1LwM1f:8aCl6FOG/r/Q5fdHl0sg5zzq1sM5

Malware Config

Targets

    • Target

      0c63257d1fd65449922a9a2835b9a8284e5c1da6495586f24ae86f2b8a3ff01a

    • Size

      4.1MB

    • MD5

      d3ad3e4399e91fca86fe19c2a1b6bfbb

    • SHA1

      8959d518f7b685439b8a6d4ba8556f176a1063e2

    • SHA256

      0c63257d1fd65449922a9a2835b9a8284e5c1da6495586f24ae86f2b8a3ff01a

    • SHA512

      83386faed8c4b442f769931c2dec42145c9a8a087b887ae44fb63db3c198be1a4e17ba59a8d1cca9584eba79ee0d4d2c5455d3e916725c6a9dc7eacfe3d249bd

    • SSDEEP

      98304:dgDaCFb6F3+G/r+eLPqz9ttPc9cWMNfHla/sghWgL3zq1LwM1f:8aCl6FOG/r/Q5fdHl0sg5zzq1sM5

    • 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.

    • 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

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks