General

  • Target

    e81109c8620c9edf99a84a76ee4b109f3820375339c6705130c3f267c91ee84e

  • Size

    3.8MB

  • Sample

    220520-w7h5cafafq

  • MD5

    962e4680c8820f0d2d43d5c3422f0cb2

  • SHA1

    c8d41e4f2468fd46715976fbdc7636a8be354076

  • SHA256

    e81109c8620c9edf99a84a76ee4b109f3820375339c6705130c3f267c91ee84e

  • SHA512

    267c168871e8cacaec7d19dcd019315c73a2d96eff869fe73736d5a4abfccb39ce4431b1800fc476901628890c800f60987982d11bae5b2c9be3a0c0132ca0cf

Malware Config

Targets

    • Target

      e81109c8620c9edf99a84a76ee4b109f3820375339c6705130c3f267c91ee84e

    • Size

      3.8MB

    • MD5

      962e4680c8820f0d2d43d5c3422f0cb2

    • SHA1

      c8d41e4f2468fd46715976fbdc7636a8be354076

    • SHA256

      e81109c8620c9edf99a84a76ee4b109f3820375339c6705130c3f267c91ee84e

    • SHA512

      267c168871e8cacaec7d19dcd019315c73a2d96eff869fe73736d5a4abfccb39ce4431b1800fc476901628890c800f60987982d11bae5b2c9be3a0c0132ca0cf

    • Glupteba

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

    • Glupteba Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Loads dropped DLL

    • 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.

    • Modifies boot configuration data using bcdedit

    • 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

Disabling Security Tools

2
T1089

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

Tasks