General

  • Target

    703ed34f44a5a26d3aff2167aefd79d644f2819d4174da03f75791ec894ce429

  • Size

    399KB

  • Sample

    210515-8p45jxe8m2

  • MD5

    63a180f366cce5cb3aee400b4c09231f

  • SHA1

    5ce89420ee2fef9527d0c62d45339c7ae219ae94

  • SHA256

    703ed34f44a5a26d3aff2167aefd79d644f2819d4174da03f75791ec894ce429

  • SHA512

    8caeb8cdb9644fc5871bd579dce9a3b360ee28d55ed5f33aa6e82a9ec62776b46787bed7345ff16f1f511d237572352ba5f8f2f02756767c3242f11a0cb71bf0

Malware Config

Targets

    • Target

      703ed34f44a5a26d3aff2167aefd79d644f2819d4174da03f75791ec894ce429

    • Size

      399KB

    • MD5

      63a180f366cce5cb3aee400b4c09231f

    • SHA1

      5ce89420ee2fef9527d0c62d45339c7ae219ae94

    • SHA256

      703ed34f44a5a26d3aff2167aefd79d644f2819d4174da03f75791ec894ce429

    • SHA512

      8caeb8cdb9644fc5871bd579dce9a3b360ee28d55ed5f33aa6e82a9ec62776b46787bed7345ff16f1f511d237572352ba5f8f2f02756767c3242f11a0cb71bf0

    • 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

    • 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

Tasks