General

  • Target

    a6c4b472a1b9dbe28827aa9a539017af2b3b0fe1edc81b9a040ead3a6ebcba4b

  • Size

    4.1MB

  • Sample

    230326-vc161abc2s

  • MD5

    cc996fcdf7fffefe2886d19dc0891f53

  • SHA1

    7055c55a57328d2e6e52e33ba93dc27a63550082

  • SHA256

    a6c4b472a1b9dbe28827aa9a539017af2b3b0fe1edc81b9a040ead3a6ebcba4b

  • SHA512

    839c66ebdbcefacccffe642bb1e7da66c551e8e286bf02f92afaf7465e5225168c6e8dd1b7661551ea1c0cd456357206206ef341388c03b2f53c5bb860d584e5

  • SSDEEP

    98304:zr26hzV4BSCAmhxfdnO3iGF8VPGOZz1YfxoltOV/iiODAg4Ykz5wj5I:fV4BSCA8FpO3ByYOZzufxoltOPM9LjW

Malware Config

Targets

    • Target

      a6c4b472a1b9dbe28827aa9a539017af2b3b0fe1edc81b9a040ead3a6ebcba4b

    • Size

      4.1MB

    • MD5

      cc996fcdf7fffefe2886d19dc0891f53

    • SHA1

      7055c55a57328d2e6e52e33ba93dc27a63550082

    • SHA256

      a6c4b472a1b9dbe28827aa9a539017af2b3b0fe1edc81b9a040ead3a6ebcba4b

    • SHA512

      839c66ebdbcefacccffe642bb1e7da66c551e8e286bf02f92afaf7465e5225168c6e8dd1b7661551ea1c0cd456357206206ef341388c03b2f53c5bb860d584e5

    • SSDEEP

      98304:zr26hzV4BSCAmhxfdnO3iGF8VPGOZz1YfxoltOV/iiODAg4Ykz5wj5I:fV4BSCA8FpO3ByYOZzufxoltOPM9LjW

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks