General

  • Target

    bd379cc18853b19c52c201fc442b00413250683b530e9ce16cbded62fb8aa896

  • Size

    4.2MB

  • Sample

    240418-23ybcshe45

  • MD5

    fd0c87de5f3b09ed3586a6754199bdf0

  • SHA1

    aad43fff713dacf8deead3025c794ffa3ef41ada

  • SHA256

    bd379cc18853b19c52c201fc442b00413250683b530e9ce16cbded62fb8aa896

  • SHA512

    f8ad0a1bf20b12a5c17706afbb1208554ba96249ec4ed98323cedc079a6643f6858fddab4b115890f4451d9aac537c606246e39812df99a31979dfa25f05061c

  • SSDEEP

    98304:mz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7P:M7NcfZtQ9LJEd3aOYT+P

Malware Config

Targets

    • Target

      bd379cc18853b19c52c201fc442b00413250683b530e9ce16cbded62fb8aa896

    • Size

      4.2MB

    • MD5

      fd0c87de5f3b09ed3586a6754199bdf0

    • SHA1

      aad43fff713dacf8deead3025c794ffa3ef41ada

    • SHA256

      bd379cc18853b19c52c201fc442b00413250683b530e9ce16cbded62fb8aa896

    • SHA512

      f8ad0a1bf20b12a5c17706afbb1208554ba96249ec4ed98323cedc079a6643f6858fddab4b115890f4451d9aac537c606246e39812df99a31979dfa25f05061c

    • SSDEEP

      98304:mz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7P:M7NcfZtQ9LJEd3aOYT+P

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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

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

4
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks