General

  • Target

    c88245ad15f99ba831f8cbf56036d8a3ad4fd8c8c3bd4881c70bc3db1fae79ed

  • Size

    4.1MB

  • Sample

    230326-nvanfagd42

  • MD5

    e4a1e570dec64ca353504c85c7afcbe1

  • SHA1

    86287f990f3f3d9beb39cce33ca81e5faf87d58c

  • SHA256

    c88245ad15f99ba831f8cbf56036d8a3ad4fd8c8c3bd4881c70bc3db1fae79ed

  • SHA512

    1dc2a391c0c7a97db92e01b0bc72b363f0e2f3dedbc1a3014cc806edabf62df20452077ffcdf3cfa536bfe4e747fc3dc57b4860e7c016f209b7376f36364051e

  • SSDEEP

    98304:ViGIF0rUD4kkX5/Z9a3jHzxa0o1kMvnM4CT:AGImQDTORZiH+1kMfM4CT

Malware Config

Targets

    • Target

      c88245ad15f99ba831f8cbf56036d8a3ad4fd8c8c3bd4881c70bc3db1fae79ed

    • Size

      4.1MB

    • MD5

      e4a1e570dec64ca353504c85c7afcbe1

    • SHA1

      86287f990f3f3d9beb39cce33ca81e5faf87d58c

    • SHA256

      c88245ad15f99ba831f8cbf56036d8a3ad4fd8c8c3bd4881c70bc3db1fae79ed

    • SHA512

      1dc2a391c0c7a97db92e01b0bc72b363f0e2f3dedbc1a3014cc806edabf62df20452077ffcdf3cfa536bfe4e747fc3dc57b4860e7c016f209b7376f36364051e

    • SSDEEP

      98304:ViGIF0rUD4kkX5/Z9a3jHzxa0o1kMvnM4CT:AGImQDTORZiH+1kMfM4CT

    • 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.

    • 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