General

  • Target

    e1257b84640857d9ca69f0e5c3ed157a09d5b423cccb527b133af311738ac0e3

  • Size

    4.2MB

  • Sample

    230607-v2kkjseb5t

  • MD5

    7f51ce5cf17da3e810f4a234a42cc650

  • SHA1

    68b80cfeccd29226a75edea4e52f8f1ed6f538b1

  • SHA256

    e1257b84640857d9ca69f0e5c3ed157a09d5b423cccb527b133af311738ac0e3

  • SHA512

    3d9caacfc1a5ee323b2cada28b24749ed20d64caacc5c495764e3240da41dbb5c003e473f87a0ba47d696ccbb69c610565a38ca2a48b3b86fc39f488bb47b760

  • SSDEEP

    98304:zPc9FcYO05ihGHS9WSnwj8q/RLdadqz/Y0RFELZvszSl:Tc3EciILSnqdBdamY0RyeWl

Malware Config

Targets

    • Target

      e1257b84640857d9ca69f0e5c3ed157a09d5b423cccb527b133af311738ac0e3

    • Size

      4.2MB

    • MD5

      7f51ce5cf17da3e810f4a234a42cc650

    • SHA1

      68b80cfeccd29226a75edea4e52f8f1ed6f538b1

    • SHA256

      e1257b84640857d9ca69f0e5c3ed157a09d5b423cccb527b133af311738ac0e3

    • SHA512

      3d9caacfc1a5ee323b2cada28b24749ed20d64caacc5c495764e3240da41dbb5c003e473f87a0ba47d696ccbb69c610565a38ca2a48b3b86fc39f488bb47b760

    • SSDEEP

      98304:zPc9FcYO05ihGHS9WSnwj8q/RLdadqz/Y0RFELZvszSl:Tc3EciILSnqdBdamY0RyeWl

    • 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.

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks