General

  • Target

    b7ed846fc13ed59b6470de2f0663df4033b03aaba5d0ff79bc2deb42e9a67db1

  • Size

    210KB

  • Sample

    221103-1mp5dahffp

  • MD5

    341c3434d02b7a7b3ca7b313957678bd

  • SHA1

    9c19b13e7dfa6729f540b00179bf792b614d6533

  • SHA256

    b7ed846fc13ed59b6470de2f0663df4033b03aaba5d0ff79bc2deb42e9a67db1

  • SHA512

    c597c4486780da79bea5a3dcf84642618f9efe8a2c4101b1c157dc83b72d868d4dec0ae76e1c993971da007d5d07c33cea24583817cbcf0bc7caebf6b6cfa98d

  • SSDEEP

    3072:O114R5DDPQLI6XLIl9FBvs6EJ5xKA+b5ClHQJtNP+vHjtg1ie1Hx:O1ijTQLPXLQFB0a5tbb1tt

Malware Config

Extracted

Family

systembc

C2

89.248.165.79:443

Targets

    • Target

      b7ed846fc13ed59b6470de2f0663df4033b03aaba5d0ff79bc2deb42e9a67db1

    • Size

      210KB

    • MD5

      341c3434d02b7a7b3ca7b313957678bd

    • SHA1

      9c19b13e7dfa6729f540b00179bf792b614d6533

    • SHA256

      b7ed846fc13ed59b6470de2f0663df4033b03aaba5d0ff79bc2deb42e9a67db1

    • SHA512

      c597c4486780da79bea5a3dcf84642618f9efe8a2c4101b1c157dc83b72d868d4dec0ae76e1c993971da007d5d07c33cea24583817cbcf0bc7caebf6b6cfa98d

    • SSDEEP

      3072:O114R5DDPQLI6XLIl9FBvs6EJ5xKA+b5ClHQJtNP+vHjtg1ie1Hx:O1ijTQLPXLQFB0a5tbb1tt

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks