General

  • Target

    b6e0c17a224fe0df6f58add122e0420aad76a697c1d7634aa0cfe2f5dc84dc2b

  • Size

    541KB

  • Sample

    230514-bpa1ssce6y

  • MD5

    c159fc653a86ef3eab80e5d06b9cfa2c

  • SHA1

    f95b35bcd8528dafda2b8fd53bed2bab150676e3

  • SHA256

    b6e0c17a224fe0df6f58add122e0420aad76a697c1d7634aa0cfe2f5dc84dc2b

  • SHA512

    78ee8d1c957f21e6023f4c9096f63c9bc697620cfc7584bb937b4cffb792f312c8fd0cb586c0aa4f43ddf8e622042f2c85852f10018e0c5799d6dd02903ab9f2

  • SSDEEP

    12288:lBXSh9d55EWf6bkHXgtQZDsfDfWXWBt9ExkUp8ZbcoahOOufKlgc+ABeaESJAzEM:7QZQz8Du4

Malware Config

Targets

    • Target

      b6e0c17a224fe0df6f58add122e0420aad76a697c1d7634aa0cfe2f5dc84dc2b

    • Size

      541KB

    • MD5

      c159fc653a86ef3eab80e5d06b9cfa2c

    • SHA1

      f95b35bcd8528dafda2b8fd53bed2bab150676e3

    • SHA256

      b6e0c17a224fe0df6f58add122e0420aad76a697c1d7634aa0cfe2f5dc84dc2b

    • SHA512

      78ee8d1c957f21e6023f4c9096f63c9bc697620cfc7584bb937b4cffb792f312c8fd0cb586c0aa4f43ddf8e622042f2c85852f10018e0c5799d6dd02903ab9f2

    • SSDEEP

      12288:lBXSh9d55EWf6bkHXgtQZDsfDfWXWBt9ExkUp8ZbcoahOOufKlgc+ABeaESJAzEM:7QZQz8Du4

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • WSHRAT payload

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Tasks