General

  • Target

    fd3da27e65a1a213f0f9b4cd8ad6697173170aad8be9318a0f2f07c88ba463dd

  • Size

    4.0MB

  • Sample

    230221-vktrwshe4y

  • MD5

    f50e60cc80cce290205a7b55ca4d5e84

  • SHA1

    b574cf84c6fab4737cfb06efdfffdebc9d23591e

  • SHA256

    fd3da27e65a1a213f0f9b4cd8ad6697173170aad8be9318a0f2f07c88ba463dd

  • SHA512

    f3b1ff500c31b2872e4d8bbf13cda075bba2a37e8124122f5202ea25889ef339d37018f4920cbf3c55f82df40127845c31caf6e22f473142acf1db70a0d80d2a

  • SSDEEP

    98304:krwFQ7rbj38ljcSEC+VwnOxOrpk6M4Edwf:krwFQ3GcSAVgOxkOSf

Malware Config

Targets

    • Target

      fd3da27e65a1a213f0f9b4cd8ad6697173170aad8be9318a0f2f07c88ba463dd

    • Size

      4.0MB

    • MD5

      f50e60cc80cce290205a7b55ca4d5e84

    • SHA1

      b574cf84c6fab4737cfb06efdfffdebc9d23591e

    • SHA256

      fd3da27e65a1a213f0f9b4cd8ad6697173170aad8be9318a0f2f07c88ba463dd

    • SHA512

      f3b1ff500c31b2872e4d8bbf13cda075bba2a37e8124122f5202ea25889ef339d37018f4920cbf3c55f82df40127845c31caf6e22f473142acf1db70a0d80d2a

    • SSDEEP

      98304:krwFQ7rbj38ljcSEC+VwnOxOrpk6M4Edwf:krwFQ3GcSAVgOxkOSf

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks