General

  • Target

    950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147

  • Size

    4.1MB

  • Sample

    240520-fp2wqsde5z

  • MD5

    cdb2feb9b00016775e9a2ea248967c93

  • SHA1

    69ef288b66ad50be355024cc8000d834d09f30b2

  • SHA256

    950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147

  • SHA512

    5e8aaecdddb890f760dbc0c62d59fc4b7a498595503920d08c0b38efdf8fbd3c1ac9d0d440169dc70ef54b1c225fb6994fadd1dc3216ed2a26163c5372bc9a85

  • SSDEEP

    98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0U:ALmIkbquibpii2yAk4+2fEKmb3

Malware Config

Targets

    • Target

      950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147

    • Size

      4.1MB

    • MD5

      cdb2feb9b00016775e9a2ea248967c93

    • SHA1

      69ef288b66ad50be355024cc8000d834d09f30b2

    • SHA256

      950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147

    • SHA512

      5e8aaecdddb890f760dbc0c62d59fc4b7a498595503920d08c0b38efdf8fbd3c1ac9d0d440169dc70ef54b1c225fb6994fadd1dc3216ed2a26163c5372bc9a85

    • SSDEEP

      98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0U:ALmIkbquibpii2yAk4+2fEKmb3

    • 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