General

  • Target

    c5d9dc952f1a8d8826b4d2bf1cd9aa67f67988938dcda4aa2734ceb16434059c

  • Size

    4.1MB

  • Sample

    230327-mr7y4ada84

  • MD5

    ee8d373bb90947e515dda2826595bb66

  • SHA1

    eee2e752cfe70a42727a3a2e2338c06130b38ec1

  • SHA256

    c5d9dc952f1a8d8826b4d2bf1cd9aa67f67988938dcda4aa2734ceb16434059c

  • SHA512

    bf42b6d6ee5ee4b8ec05ebf1803dfa64905ddb8334c0c6e0c44f9b7bb14eedfbf6081e493e54c4a77a0e299401b1f43ea05f40ef981fad8befe3a6d858012e75

  • SSDEEP

    98304:qlUsq5/mFUy5W3l9xAhU+wp3o0ideZIOvfviQrMRto/4Sx2:aUB/mFUy5W3l8hM3oN4ZIbQrMRts2

Malware Config

Targets

    • Target

      c5d9dc952f1a8d8826b4d2bf1cd9aa67f67988938dcda4aa2734ceb16434059c

    • Size

      4.1MB

    • MD5

      ee8d373bb90947e515dda2826595bb66

    • SHA1

      eee2e752cfe70a42727a3a2e2338c06130b38ec1

    • SHA256

      c5d9dc952f1a8d8826b4d2bf1cd9aa67f67988938dcda4aa2734ceb16434059c

    • SHA512

      bf42b6d6ee5ee4b8ec05ebf1803dfa64905ddb8334c0c6e0c44f9b7bb14eedfbf6081e493e54c4a77a0e299401b1f43ea05f40ef981fad8befe3a6d858012e75

    • SSDEEP

      98304:qlUsq5/mFUy5W3l9xAhU+wp3o0ideZIOvfviQrMRto/4Sx2:aUB/mFUy5W3l8hM3oN4ZIbQrMRts2

    • 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