General

  • Target

    2e1fb6c2c2952f4ca6582ea6958a01b2f36a7bc8356a0837673c396c57f0482b

  • Size

    4.0MB

  • Sample

    230221-qmryvsgg4w

  • MD5

    9ae6c76df81317280ea6c253ca6003a7

  • SHA1

    6d8dc908cc99811c0f210c298c6afffeb4a188ec

  • SHA256

    2e1fb6c2c2952f4ca6582ea6958a01b2f36a7bc8356a0837673c396c57f0482b

  • SHA512

    0467a8920b2864421271af0d4369b3e8fd4f5877a20ae1e9821e164aa794dea79b7e1f30e5ce78bf395e4fe944924ed65720063ab6b560e7137217221daa708e

  • SSDEEP

    98304:Wm8CHjWaEcjRJvKu0c/46HDQ3AxwdI/SXYDM:WuHqcVJCc/t1xO

Malware Config

Targets

    • Target

      2e1fb6c2c2952f4ca6582ea6958a01b2f36a7bc8356a0837673c396c57f0482b

    • Size

      4.0MB

    • MD5

      9ae6c76df81317280ea6c253ca6003a7

    • SHA1

      6d8dc908cc99811c0f210c298c6afffeb4a188ec

    • SHA256

      2e1fb6c2c2952f4ca6582ea6958a01b2f36a7bc8356a0837673c396c57f0482b

    • SHA512

      0467a8920b2864421271af0d4369b3e8fd4f5877a20ae1e9821e164aa794dea79b7e1f30e5ce78bf395e4fe944924ed65720063ab6b560e7137217221daa708e

    • SSDEEP

      98304:Wm8CHjWaEcjRJvKu0c/46HDQ3AxwdI/SXYDM:WuHqcVJCc/t1xO

    • 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