General

  • Target

    4e4bc1e5a445b4d9b378d3930f7e6bd9fba65b2bc8eec1245e2dec3de14c344a

  • Size

    4.1MB

  • Sample

    230327-gmcdqsea5v

  • MD5

    b02d1e2192190cdfa547e40b614b2f7f

  • SHA1

    98776eeea35eed2eb9e3d075dcba3275e0af171b

  • SHA256

    4e4bc1e5a445b4d9b378d3930f7e6bd9fba65b2bc8eec1245e2dec3de14c344a

  • SHA512

    abbe08f5c48d43074b09f8cf8370180afdb01a0068ef6c516ce0d944a3e594bbb804f5413127b17d6cacd86365d8b1dfb1fea0d4205f66749ade4c3ab89d054e

  • SSDEEP

    98304:jD+y4IXZOqgU5JyE7PRbQEPNsEAJADBcdt5msG7q3W9WVln:H5rJyfiVKRMBcNDG7q3We

Malware Config

Targets

    • Target

      4e4bc1e5a445b4d9b378d3930f7e6bd9fba65b2bc8eec1245e2dec3de14c344a

    • Size

      4.1MB

    • MD5

      b02d1e2192190cdfa547e40b614b2f7f

    • SHA1

      98776eeea35eed2eb9e3d075dcba3275e0af171b

    • SHA256

      4e4bc1e5a445b4d9b378d3930f7e6bd9fba65b2bc8eec1245e2dec3de14c344a

    • SHA512

      abbe08f5c48d43074b09f8cf8370180afdb01a0068ef6c516ce0d944a3e594bbb804f5413127b17d6cacd86365d8b1dfb1fea0d4205f66749ade4c3ab89d054e

    • SSDEEP

      98304:jD+y4IXZOqgU5JyE7PRbQEPNsEAJADBcdt5msG7q3W9WVln:H5rJyfiVKRMBcNDG7q3We

    • 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