General

  • Target

    3b355cf00119709c122695f4a324d4859de4c27161fc4a1759ff8b9c92a0e015

  • Size

    4.2MB

  • Sample

    230607-spxy1acb32

  • MD5

    88c9fc866c28187f4cd0b6d5757de22e

  • SHA1

    ea2474cda732eb542feb80a42281050fccdfd19c

  • SHA256

    3b355cf00119709c122695f4a324d4859de4c27161fc4a1759ff8b9c92a0e015

  • SHA512

    a3c310d4b3dcbb2b395996c9bfffd452f19ef1719db518032037ec94b1039af9d247d833c93ddd4c4de4ea3b17bda251e05b07b12f34a7314e089df303030323

  • SSDEEP

    98304:4XBXbxwMASR72enw18wQxWVMeT7u+9UVKOQ5LwfsZV4:kBLxkG72BAWVJXuzQ5LY

Malware Config

Targets

    • Target

      3b355cf00119709c122695f4a324d4859de4c27161fc4a1759ff8b9c92a0e015

    • Size

      4.2MB

    • MD5

      88c9fc866c28187f4cd0b6d5757de22e

    • SHA1

      ea2474cda732eb542feb80a42281050fccdfd19c

    • SHA256

      3b355cf00119709c122695f4a324d4859de4c27161fc4a1759ff8b9c92a0e015

    • SHA512

      a3c310d4b3dcbb2b395996c9bfffd452f19ef1719db518032037ec94b1039af9d247d833c93ddd4c4de4ea3b17bda251e05b07b12f34a7314e089df303030323

    • SSDEEP

      98304:4XBXbxwMASR72enw18wQxWVMeT7u+9UVKOQ5LwfsZV4:kBLxkG72BAWVJXuzQ5LY

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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

1
T1082

Tasks