General

  • Target

    eVoucher.js

  • Size

    30KB

  • Sample

    210831-bc54193n8x

  • MD5

    ef30d08be6b02f148da164e54892c8e3

  • SHA1

    4998edfd067f343a56e03422d3913c1cc7066e4b

  • SHA256

    e21dba51d9968a1073d43143b7acbd4179a8fa73fc5f48921eabac7ea9869daa

  • SHA512

    9e1b1142248c8088c2ecb2bd33887136e4f39c3590ce3b95f2fa5e93b922a07c7ecd598650d91a7ee93c4f018b898a96e49ed41157be607abf1b1ce9845c72c1

Malware Config

Targets

    • Target

      eVoucher.js

    • Size

      30KB

    • MD5

      ef30d08be6b02f148da164e54892c8e3

    • SHA1

      4998edfd067f343a56e03422d3913c1cc7066e4b

    • SHA256

      e21dba51d9968a1073d43143b7acbd4179a8fa73fc5f48921eabac7ea9869daa

    • SHA512

      9e1b1142248c8088c2ecb2bd33887136e4f39c3590ce3b95f2fa5e93b922a07c7ecd598650d91a7ee93c4f018b898a96e49ed41157be607abf1b1ce9845c72c1

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks