General

  • Target

    e599a6fb8545e8ae0064f18645237a22c1157611911d197fe50cbf652f87d8d7

  • Size

    616KB

  • Sample

    210517-yx1zkr8f2e

  • MD5

    9127f9199e08d18807496c56e67ec13a

  • SHA1

    394e5d81c0a16bbcf7ac72851945904aa88caa5d

  • SHA256

    e599a6fb8545e8ae0064f18645237a22c1157611911d197fe50cbf652f87d8d7

  • SHA512

    218fd38883071c1a3503c4d05c7dd7d342fbf58cd7dc2e94a6b36de211701418ead964839274f3c6a6b09ef77ae567f768e8d054405b940b216efcc3df678770

Malware Config

Targets

    • Target

      e599a6fb8545e8ae0064f18645237a22c1157611911d197fe50cbf652f87d8d7

    • Size

      616KB

    • MD5

      9127f9199e08d18807496c56e67ec13a

    • SHA1

      394e5d81c0a16bbcf7ac72851945904aa88caa5d

    • SHA256

      e599a6fb8545e8ae0064f18645237a22c1157611911d197fe50cbf652f87d8d7

    • SHA512

      218fd38883071c1a3503c4d05c7dd7d342fbf58cd7dc2e94a6b36de211701418ead964839274f3c6a6b09ef77ae567f768e8d054405b940b216efcc3df678770

    • 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