General

  • Target

    98704567cd05ed657cb7e9c43947c03181351e556342ad54d069c6087bd4dbbf

  • Size

    4.1MB

  • Sample

    240421-nk69naac7t

  • MD5

    72e4a96c197f37a2d47db606c02f2d22

  • SHA1

    5593ea1f6e06aa07fff3dfc2eb19356598458b7f

  • SHA256

    98704567cd05ed657cb7e9c43947c03181351e556342ad54d069c6087bd4dbbf

  • SHA512

    26954d170e38df6e6c6ae477e675c558f7e2b4fd2b9193cb21b6c4ab6d3be0829dac2b2f72b39516bb75b4e7f398704c4f48ea20d2e4c575cf61e8bb61d3dc8d

  • SSDEEP

    98304:Cb4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGP:xBdQ1naH+hM1NF8WP

Malware Config

Targets

    • Target

      98704567cd05ed657cb7e9c43947c03181351e556342ad54d069c6087bd4dbbf

    • Size

      4.1MB

    • MD5

      72e4a96c197f37a2d47db606c02f2d22

    • SHA1

      5593ea1f6e06aa07fff3dfc2eb19356598458b7f

    • SHA256

      98704567cd05ed657cb7e9c43947c03181351e556342ad54d069c6087bd4dbbf

    • SHA512

      26954d170e38df6e6c6ae477e675c558f7e2b4fd2b9193cb21b6c4ab6d3be0829dac2b2f72b39516bb75b4e7f398704c4f48ea20d2e4c575cf61e8bb61d3dc8d

    • SSDEEP

      98304:Cb4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGP:xBdQ1naH+hM1NF8WP

    • 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.

    • 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 v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks