General

  • Target

    c9cb8c381d87970f04363680133964a49daaa38d953b80b4d360ab1a3f5dd91c

  • Size

    4.0MB

  • Sample

    230221-kq21caga7x

  • MD5

    0dfb01736d000256b063f1b80dc8fd84

  • SHA1

    a09719748c39c2d13013928912cec8960365f79a

  • SHA256

    c9cb8c381d87970f04363680133964a49daaa38d953b80b4d360ab1a3f5dd91c

  • SHA512

    b0d7de48be7cd54bc2986cdf3a03a84d8c00537a0975424cd1df8c52e5775acc456a676b52d18088e9920e33d12d722a5dce0753aa6b3947a80eed0dc8ff4d5e

  • SSDEEP

    98304:oOcl/6p/hXvawWDPCW6slvHtwGl4mbc7kkQ8o6l27FqZCt7h3cK:glyhhXyw2PMIvtZ4vBQ2iqZCUK

Malware Config

Targets

    • Target

      c9cb8c381d87970f04363680133964a49daaa38d953b80b4d360ab1a3f5dd91c

    • Size

      4.0MB

    • MD5

      0dfb01736d000256b063f1b80dc8fd84

    • SHA1

      a09719748c39c2d13013928912cec8960365f79a

    • SHA256

      c9cb8c381d87970f04363680133964a49daaa38d953b80b4d360ab1a3f5dd91c

    • SHA512

      b0d7de48be7cd54bc2986cdf3a03a84d8c00537a0975424cd1df8c52e5775acc456a676b52d18088e9920e33d12d722a5dce0753aa6b3947a80eed0dc8ff4d5e

    • SSDEEP

      98304:oOcl/6p/hXvawWDPCW6slvHtwGl4mbc7kkQ8o6l27FqZCt7h3cK:glyhhXyw2PMIvtZ4vBQ2iqZCUK

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

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