General

  • Target

    d2f40aebc9c1aeba375a15d53e50b844e4c4532ebc3d2950a9177dfbc96263f3

  • Size

    4.1MB

  • Sample

    240511-k1emssad9t

  • MD5

    f9c69e775782789a071258a77c9dc44f

  • SHA1

    9ab93375475c4ed1c39538c4410013b2d0ea6955

  • SHA256

    d2f40aebc9c1aeba375a15d53e50b844e4c4532ebc3d2950a9177dfbc96263f3

  • SHA512

    405c403bc631e41d3a0795aa17c48d39cb0fb7ea4c7e5567b594ce165322480f92b54cb9ee1f2fe77c2f7343c2b3538747d295384f11e6f63fd9840aa2c46e5b

  • SSDEEP

    98304:wErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIa:DD1Z1UwAUfrk2xOxPr4PpsvyaCIa

Malware Config

Targets

    • Target

      d2f40aebc9c1aeba375a15d53e50b844e4c4532ebc3d2950a9177dfbc96263f3

    • Size

      4.1MB

    • MD5

      f9c69e775782789a071258a77c9dc44f

    • SHA1

      9ab93375475c4ed1c39538c4410013b2d0ea6955

    • SHA256

      d2f40aebc9c1aeba375a15d53e50b844e4c4532ebc3d2950a9177dfbc96263f3

    • SHA512

      405c403bc631e41d3a0795aa17c48d39cb0fb7ea4c7e5567b594ce165322480f92b54cb9ee1f2fe77c2f7343c2b3538747d295384f11e6f63fd9840aa2c46e5b

    • SSDEEP

      98304:wErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIa:DD1Z1UwAUfrk2xOxPr4PpsvyaCIa

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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