General

  • Target

    b7dc4fe82b19ae59cd37c3e67133fe6b2630e55dce469755cce964abad559144

  • Size

    4.2MB

  • Sample

    230607-x8yrvsfa45

  • MD5

    1c2b198ecc4592723d53381aa40145db

  • SHA1

    5cec26643aa0f5c4156c6d836e8f3130f383a93b

  • SHA256

    b7dc4fe82b19ae59cd37c3e67133fe6b2630e55dce469755cce964abad559144

  • SHA512

    50d7437147a7c6584935c781795f5e4524227cd9038b584b75470e2a0f56ac4fc7c378814030eafd53321ce516974a02fc49d2d96d0211b0a1c45211218eadd7

  • SSDEEP

    98304:d7xlQWUQJrx/VpUx5jTm4qCa4aWdF3j0chnIX4rR2:Rxqd9YP+rjRfV2

Malware Config

Targets

    • Target

      b7dc4fe82b19ae59cd37c3e67133fe6b2630e55dce469755cce964abad559144

    • Size

      4.2MB

    • MD5

      1c2b198ecc4592723d53381aa40145db

    • SHA1

      5cec26643aa0f5c4156c6d836e8f3130f383a93b

    • SHA256

      b7dc4fe82b19ae59cd37c3e67133fe6b2630e55dce469755cce964abad559144

    • SHA512

      50d7437147a7c6584935c781795f5e4524227cd9038b584b75470e2a0f56ac4fc7c378814030eafd53321ce516974a02fc49d2d96d0211b0a1c45211218eadd7

    • SSDEEP

      98304:d7xlQWUQJrx/VpUx5jTm4qCa4aWdF3j0chnIX4rR2:Rxqd9YP+rjRfV2

    • 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 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

Tasks