General

  • Target

    69b557aa144138e3779cb5d89b8a126d559cf333935ba8cf1e4ae70333f26b41

  • Size

    434KB

  • Sample

    210518-y55rhz461a

  • MD5

    96f20de29c0b9b598a06eff679a23a5d

  • SHA1

    befb1858c2833380867dba5c782e942d679aa6c2

  • SHA256

    69b557aa144138e3779cb5d89b8a126d559cf333935ba8cf1e4ae70333f26b41

  • SHA512

    93ac1ed721751496690bf490c948f0040826073147993b2abb073e33329a0415820bd55df2b208b5bf78b77bdc78a4a5d92a591a1b68cd75d982c741334fbbb0

Malware Config

Targets

    • Target

      69b557aa144138e3779cb5d89b8a126d559cf333935ba8cf1e4ae70333f26b41

    • Size

      434KB

    • MD5

      96f20de29c0b9b598a06eff679a23a5d

    • SHA1

      befb1858c2833380867dba5c782e942d679aa6c2

    • SHA256

      69b557aa144138e3779cb5d89b8a126d559cf333935ba8cf1e4ae70333f26b41

    • SHA512

      93ac1ed721751496690bf490c948f0040826073147993b2abb073e33329a0415820bd55df2b208b5bf78b77bdc78a4a5d92a591a1b68cd75d982c741334fbbb0

    • 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