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General

  • Target

    HRCComplaintProcedureForm (7).doc

  • Size

    80KB

  • Sample

    200907-dd677jjdtn

  • MD5

    a411bb05ee4192202c88efdbd54552db

  • SHA1

    6b0acf8175d39a1008bf9fb0d3c45bb63a3361e9

  • SHA256

    33a24ad4b225880bee5c9d40527022ea020daf2f6d7643269f4f739b3271f5de

  • SHA512

    6e424b2c2a7881d4969ddfaef595822f3d987e8fc49f578118c6d4ba25461ef53613405394f4ac366606ecfda08ede4d22f436f182aaee82ba9b5f7962cce6f4

Malware Config

Targets

    • Target

      HRCComplaintProcedureForm (7).doc

    • Size

      80KB

    • MD5

      a411bb05ee4192202c88efdbd54552db

    • SHA1

      6b0acf8175d39a1008bf9fb0d3c45bb63a3361e9

    • SHA256

      33a24ad4b225880bee5c9d40527022ea020daf2f6d7643269f4f739b3271f5de

    • SHA512

      6e424b2c2a7881d4969ddfaef595822f3d987e8fc49f578118c6d4ba25461ef53613405394f4ac366606ecfda08ede4d22f436f182aaee82ba9b5f7962cce6f4

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

    • Installs/modifies Browser Helper Object

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

    • JavaScript code in executable

    • Drops file in System32 directory

    • Modifies service

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

4
T1112

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Tasks