General

  • Target

    c80f34dcc7c1439b496d5bc0029f04bc5e16af4a1d87d14a0797da2094404efb

  • Size

    4.1MB

  • Sample

    240421-p6vcnacc8x

  • MD5

    641c4f0c0832d5db7edfd312d1ea4866

  • SHA1

    ae2385ea5b5bd0c1522bab9fe2f40a07c7afc8f4

  • SHA256

    c80f34dcc7c1439b496d5bc0029f04bc5e16af4a1d87d14a0797da2094404efb

  • SHA512

    8484210d67127f49ea2e89ff473a350aee949480acbd64108c90d0cf7896893956a8359c1dbe8bd87b4acb0eb511a87a3670a2a4e4636464336617cf16d42358

  • SSDEEP

    98304:wupp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5J:t24wrgi8oddlbb

Malware Config

Targets

    • Target

      c80f34dcc7c1439b496d5bc0029f04bc5e16af4a1d87d14a0797da2094404efb

    • Size

      4.1MB

    • MD5

      641c4f0c0832d5db7edfd312d1ea4866

    • SHA1

      ae2385ea5b5bd0c1522bab9fe2f40a07c7afc8f4

    • SHA256

      c80f34dcc7c1439b496d5bc0029f04bc5e16af4a1d87d14a0797da2094404efb

    • SHA512

      8484210d67127f49ea2e89ff473a350aee949480acbd64108c90d0cf7896893956a8359c1dbe8bd87b4acb0eb511a87a3670a2a4e4636464336617cf16d42358

    • SSDEEP

      98304:wupp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5J:t24wrgi8oddlbb

    • 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

    • Suspicious use of SetThreadContext

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

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks