General

  • Target

    a331b125f34651fcefa44339d8c91e4e33b60e0dd7c77c2b7a758d29ce91cbb8

  • Size

    4.2MB

  • Sample

    230606-szqyfaec99

  • MD5

    24d8b087aadbc0ed99742d4d9b21643f

  • SHA1

    21e044604945f018581b65fcd1d9606b57e074a7

  • SHA256

    a331b125f34651fcefa44339d8c91e4e33b60e0dd7c77c2b7a758d29ce91cbb8

  • SHA512

    01c4c8565b17d54e8ba2903128038eda824abe9126458c86b68fd950f07cb7d59c4a9ad3e68b57d71598b6d159f789489c499ed038bf3780b8f305b0cae8dd4e

  • SSDEEP

    98304:CwD61FoiFrV4uHNu/sjTzLLpvUtDefKLGgjrGTOuAY96M:Ct1FoixHNu/sj/LLpMtLbbulj

Malware Config

Targets

    • Target

      a331b125f34651fcefa44339d8c91e4e33b60e0dd7c77c2b7a758d29ce91cbb8

    • Size

      4.2MB

    • MD5

      24d8b087aadbc0ed99742d4d9b21643f

    • SHA1

      21e044604945f018581b65fcd1d9606b57e074a7

    • SHA256

      a331b125f34651fcefa44339d8c91e4e33b60e0dd7c77c2b7a758d29ce91cbb8

    • SHA512

      01c4c8565b17d54e8ba2903128038eda824abe9126458c86b68fd950f07cb7d59c4a9ad3e68b57d71598b6d159f789489c499ed038bf3780b8f305b0cae8dd4e

    • SSDEEP

      98304:CwD61FoiFrV4uHNu/sjTzLLpvUtDefKLGgjrGTOuAY96M:Ct1FoixHNu/sj/LLpMtLbbulj

    • 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.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

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

Tasks