General

  • Target

    1948371e6a95240ce4dce7208b3aedbae6245e6c99d387bc1dcd5f32327776d4

  • Size

    4.1MB

  • Sample

    230329-tfbvvaae7w

  • MD5

    3ccb0ae637eb58e5eb209e349ffa636e

  • SHA1

    0128517355e6f0281a3464e03f97d62446ff39f9

  • SHA256

    1948371e6a95240ce4dce7208b3aedbae6245e6c99d387bc1dcd5f32327776d4

  • SHA512

    108fabcaa90956885f42e7b5404c7304cbcd34ab63972897633e4e3f42af9eb184b002f5dc0b24b7eb4775e8847cef53e79cbd55c51adf740c0212670ca2b07a

  • SSDEEP

    98304:GYW1Nzi8FwoPWhAPSxdRSy0Rx2cK1uMAEXQ5GUqWDYQdt2hl466v:VuEoPw+AkQuJEGG7WMQz2C

Malware Config

Targets

    • Target

      1948371e6a95240ce4dce7208b3aedbae6245e6c99d387bc1dcd5f32327776d4

    • Size

      4.1MB

    • MD5

      3ccb0ae637eb58e5eb209e349ffa636e

    • SHA1

      0128517355e6f0281a3464e03f97d62446ff39f9

    • SHA256

      1948371e6a95240ce4dce7208b3aedbae6245e6c99d387bc1dcd5f32327776d4

    • SHA512

      108fabcaa90956885f42e7b5404c7304cbcd34ab63972897633e4e3f42af9eb184b002f5dc0b24b7eb4775e8847cef53e79cbd55c51adf740c0212670ca2b07a

    • SSDEEP

      98304:GYW1Nzi8FwoPWhAPSxdRSy0Rx2cK1uMAEXQ5GUqWDYQdt2hl466v:VuEoPw+AkQuJEGG7WMQz2C

    • 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