General

  • Target

    5d57aaeb136d7e63d4a390c0a031f300N.exe

  • Size

    1.0MB

  • Sample

    240821-z7a1hsvelj

  • MD5

    5d57aaeb136d7e63d4a390c0a031f300

  • SHA1

    91dfc3a88b14597d0834451df07bd4af7716c7b3

  • SHA256

    399d335502736eef61d1377630acc60bc88d5857e13a4500e3175a0a70dd1152

  • SHA512

    b1f1e437e6df82a0429c0c8467b8b221c10284bc423555d2e025224c2e8deb7af468573a9202d599bc914e1b143c841d65178e09d2a0e4fadd1e030a6a92c78c

  • SSDEEP

    6144:X9mI/A/bpCQqR5yqL5pbqD8T/ruThC711qC711f:X9ro/4QqLrqDC/ru8PDPf

Malware Config

Extracted

Family

systembc

C2

yan0212.com:4039

yan0212.net:4039

Targets

    • Target

      5d57aaeb136d7e63d4a390c0a031f300N.exe

    • Size

      1.0MB

    • MD5

      5d57aaeb136d7e63d4a390c0a031f300

    • SHA1

      91dfc3a88b14597d0834451df07bd4af7716c7b3

    • SHA256

      399d335502736eef61d1377630acc60bc88d5857e13a4500e3175a0a70dd1152

    • SHA512

      b1f1e437e6df82a0429c0c8467b8b221c10284bc423555d2e025224c2e8deb7af468573a9202d599bc914e1b143c841d65178e09d2a0e4fadd1e030a6a92c78c

    • SSDEEP

      6144:X9mI/A/bpCQqR5yqL5pbqD8T/ruThC711qC711f:X9ro/4QqLrqDC/ru8PDPf

    • SystemBC

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

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Uses Tor communications

      Malware can proxy its traffic through Tor for more anonymity.

MITRE ATT&CK Enterprise v15

Tasks