General

  • Target

    3762078599f375cbd5060bc95081aa3eb4d195c22203a7bd2e5398bba14f56d4

  • Size

    1.0MB

  • Sample

    210518-7195c1aww6

  • MD5

    e7f0f4de54ed5adb58654f1b2966fafc

  • SHA1

    0592cbbea0f88c12a412d4e3c8750aed1bab9b96

  • SHA256

    3762078599f375cbd5060bc95081aa3eb4d195c22203a7bd2e5398bba14f56d4

  • SHA512

    8dccd27af3eb21bf985cbcc34b18eec25f12b5a9ca843bd3350580c591119af27b2cc2647a2fb1866d72e5aaaa063cdc78c67ae56bd63b1969a5d1575bd39227

Malware Config

Targets

    • Target

      3762078599f375cbd5060bc95081aa3eb4d195c22203a7bd2e5398bba14f56d4

    • Size

      1.0MB

    • MD5

      e7f0f4de54ed5adb58654f1b2966fafc

    • SHA1

      0592cbbea0f88c12a412d4e3c8750aed1bab9b96

    • SHA256

      3762078599f375cbd5060bc95081aa3eb4d195c22203a7bd2e5398bba14f56d4

    • SHA512

      8dccd27af3eb21bf985cbcc34b18eec25f12b5a9ca843bd3350580c591119af27b2cc2647a2fb1866d72e5aaaa063cdc78c67ae56bd63b1969a5d1575bd39227

    • Modifies WinLogon for persistence

    • Modifies system executable filetype association

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Modifies WinLogon

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

2
T1004

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

6
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks