General

  • Target

    a4de3cc14a98709d16326aeecbb001247af0ee82f75960b9e94af80d47a02d97

  • Size

    4.2MB

  • Sample

    231208-ak4a4sgc54

  • MD5

    a9408e13125f6d66c3b7b21ab066a36b

  • SHA1

    a86f5db495f1ccb4a6ded38ff1c60dba1880aae3

  • SHA256

    a4de3cc14a98709d16326aeecbb001247af0ee82f75960b9e94af80d47a02d97

  • SHA512

    e088a504fd530bf579c31fb7f3f6e37354bafe4bd6a429233b7abb4e94823b9780ab3758bc785f3a963a3a0c5c0b9f88cdf843aa8e41e890a97d96ee05330a2d

  • SSDEEP

    98304:OQAstcpk5ubaJwjfVgTujW5sw8stfSa6frVm9Xa:OQAsa6QEEfVusCBSa+rVm9K

Malware Config

Targets

    • Target

      a4de3cc14a98709d16326aeecbb001247af0ee82f75960b9e94af80d47a02d97

    • Size

      4.2MB

    • MD5

      a9408e13125f6d66c3b7b21ab066a36b

    • SHA1

      a86f5db495f1ccb4a6ded38ff1c60dba1880aae3

    • SHA256

      a4de3cc14a98709d16326aeecbb001247af0ee82f75960b9e94af80d47a02d97

    • SHA512

      e088a504fd530bf579c31fb7f3f6e37354bafe4bd6a429233b7abb4e94823b9780ab3758bc785f3a963a3a0c5c0b9f88cdf843aa8e41e890a97d96ee05330a2d

    • SSDEEP

      98304:OQAstcpk5ubaJwjfVgTujW5sw8stfSa6frVm9Xa:OQAsa6QEEfVusCBSa+rVm9K

    • 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 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

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks