General

  • Target

    af5adb06ac4e3ae4b1327b1613fa01afa7f1526ee03debd99a01cf4f1cbdd3a5

  • Size

    4.2MB

  • Sample

    230606-tba3rafa8v

  • MD5

    ef6f302123fe3815747db077a99739b8

  • SHA1

    bf4ed9c6c8518a81b31bca21d06c3b429ca7f0a1

  • SHA256

    af5adb06ac4e3ae4b1327b1613fa01afa7f1526ee03debd99a01cf4f1cbdd3a5

  • SHA512

    fd9b03136ca08cc4807f862af7a793d30fa699a6548f9612f169d3c87f8e3fc74583e906eaf29863590b5ed9a0093c342fcfdef752547228806d9b9f6147240b

  • SSDEEP

    98304:awD61FoiFrV4uHNu/sjTzLLpvUtDefKLGgjrGTOuAY96U:at1FoixHNu/sj/LLpMtLbbulz

Malware Config

Targets

    • Target

      af5adb06ac4e3ae4b1327b1613fa01afa7f1526ee03debd99a01cf4f1cbdd3a5

    • Size

      4.2MB

    • MD5

      ef6f302123fe3815747db077a99739b8

    • SHA1

      bf4ed9c6c8518a81b31bca21d06c3b429ca7f0a1

    • SHA256

      af5adb06ac4e3ae4b1327b1613fa01afa7f1526ee03debd99a01cf4f1cbdd3a5

    • SHA512

      fd9b03136ca08cc4807f862af7a793d30fa699a6548f9612f169d3c87f8e3fc74583e906eaf29863590b5ed9a0093c342fcfdef752547228806d9b9f6147240b

    • SSDEEP

      98304:awD61FoiFrV4uHNu/sjTzLLpvUtDefKLGgjrGTOuAY96U:at1FoixHNu/sj/LLpMtLbbulz

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • 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.

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks