General

  • Target

    4acc5490b71d6146653ea49acbcd4b373008610b0ab9f09e6efcf61be611d28c

  • Size

    423KB

  • Sample

    210518-pd5vnp83z2

  • MD5

    3ff57b19c9ef11a16b071b291396f2ed

  • SHA1

    32c8949f1fc1285cd995417a35c4979965c6f882

  • SHA256

    4acc5490b71d6146653ea49acbcd4b373008610b0ab9f09e6efcf61be611d28c

  • SHA512

    003aa1612afb059b053ea29d20762045b0e39349cbe6fbd1e506f30ee01cbea4430f6f1f1a090e4a36d3f888ae2e531eb390d5e33694536dfdcdbb2343030e22

Malware Config

Targets

    • Target

      4acc5490b71d6146653ea49acbcd4b373008610b0ab9f09e6efcf61be611d28c

    • Size

      423KB

    • MD5

      3ff57b19c9ef11a16b071b291396f2ed

    • SHA1

      32c8949f1fc1285cd995417a35c4979965c6f882

    • SHA256

      4acc5490b71d6146653ea49acbcd4b373008610b0ab9f09e6efcf61be611d28c

    • SHA512

      003aa1612afb059b053ea29d20762045b0e39349cbe6fbd1e506f30ee01cbea4430f6f1f1a090e4a36d3f888ae2e531eb390d5e33694536dfdcdbb2343030e22

    • 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