General

  • Target

    799a83227d368f8b2480e3083cfdecda8f4d20cc2365aad1036cbe57b68f0e65

  • Size

    4.1MB

  • Sample

    230329-vsqefahb95

  • MD5

    f29d8595ddf4444effcde18795dcc71a

  • SHA1

    721fb7b61fa7b0d9485604392e261ac7fc681389

  • SHA256

    799a83227d368f8b2480e3083cfdecda8f4d20cc2365aad1036cbe57b68f0e65

  • SHA512

    9e08237037e3e1e41cfa959ad2efbd1203879415c228678cbc6e7aa5a72416527e95ff17f52f73e03f5882f231170682bac6f07f350d1c9ff0dff6e840f9dad7

  • SSDEEP

    98304:ujnSjYp75yn1wZDWJiYgxewLlMVPaIljo1aVt2WzdqwS:S55m1aWjwLjI9o1afZC

Malware Config

Targets

    • Target

      799a83227d368f8b2480e3083cfdecda8f4d20cc2365aad1036cbe57b68f0e65

    • Size

      4.1MB

    • MD5

      f29d8595ddf4444effcde18795dcc71a

    • SHA1

      721fb7b61fa7b0d9485604392e261ac7fc681389

    • SHA256

      799a83227d368f8b2480e3083cfdecda8f4d20cc2365aad1036cbe57b68f0e65

    • SHA512

      9e08237037e3e1e41cfa959ad2efbd1203879415c228678cbc6e7aa5a72416527e95ff17f52f73e03f5882f231170682bac6f07f350d1c9ff0dff6e840f9dad7

    • SSDEEP

      98304:ujnSjYp75yn1wZDWJiYgxewLlMVPaIljo1aVt2WzdqwS:S55m1aWjwLjI9o1afZC

    • 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