General

  • Target

    835089cc52af94cdcdf26ab335f8a4fe4719071746539acf472579fa2fc8e4f9

  • Size

    248KB

  • Sample

    230618-bs8fgadf7v

  • MD5

    aba61284cec3036dae80ece91256cf35

  • SHA1

    1ccbcd2605d623ada8ecbcace5c1ff1f082c9e2d

  • SHA256

    835089cc52af94cdcdf26ab335f8a4fe4719071746539acf472579fa2fc8e4f9

  • SHA512

    8f57b93b11df6d5aa2686afeb156310bea2f65ed6e17f6b27d1a5089a0d729057f255c9169d797f62c72263ccd4a90fa7203708ebaf3c13521825e1f65a42331

  • SSDEEP

    3072:bnwpjZ/aX+tl/w8aKwg/6K0HXDZh/TKHXwdDlsv5HyVSeR/:Epd/aX+t9w8av13D7/TK3nYR

Malware Config

Extracted

Family

systembc

C2

admex1955x.xyz:4044

servx2785x.xyz:4044

Targets

    • Target

      835089cc52af94cdcdf26ab335f8a4fe4719071746539acf472579fa2fc8e4f9

    • Size

      248KB

    • MD5

      aba61284cec3036dae80ece91256cf35

    • SHA1

      1ccbcd2605d623ada8ecbcace5c1ff1f082c9e2d

    • SHA256

      835089cc52af94cdcdf26ab335f8a4fe4719071746539acf472579fa2fc8e4f9

    • SHA512

      8f57b93b11df6d5aa2686afeb156310bea2f65ed6e17f6b27d1a5089a0d729057f255c9169d797f62c72263ccd4a90fa7203708ebaf3c13521825e1f65a42331

    • SSDEEP

      3072:bnwpjZ/aX+tl/w8aKwg/6K0HXDZh/TKHXwdDlsv5HyVSeR/:Epd/aX+t9w8av13D7/TK3nYR

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks