General

  • Target

    2025-03-30_642f571f3290eb6f7340f708654623ce_black-basta

  • Size

    18.6MB

  • Sample

    250330-zc5lmsynt7

  • MD5

    642f571f3290eb6f7340f708654623ce

  • SHA1

    486c5c01c61d1588a273f00976b12e85c7804d79

  • SHA256

    6d63f87c804c21583c292e68471c7ddd97734960615eb515369e3a44ec775864

  • SHA512

    3b352f616a7df689ecc53ef6762acb9c80db60adb87b78b785c1b10a96c670c993eeaa851a1e3c15d3324b4ae64c78ab22fcd9353c47f83c3316bb640d5926c4

  • SSDEEP

    393216:EvrUXNi5ShR4uwohGaMntuZ/lZ0y8sfBIfNCLxKg5wQ2z7hR99gzaZf2Mf/g:EvrUXN8Q2eQa/nbLpIfIxKgaz7j9SaJ4

Malware Config

Targets

    • Target

      2025-03-30_642f571f3290eb6f7340f708654623ce_black-basta

    • Size

      18.6MB

    • MD5

      642f571f3290eb6f7340f708654623ce

    • SHA1

      486c5c01c61d1588a273f00976b12e85c7804d79

    • SHA256

      6d63f87c804c21583c292e68471c7ddd97734960615eb515369e3a44ec775864

    • SHA512

      3b352f616a7df689ecc53ef6762acb9c80db60adb87b78b785c1b10a96c670c993eeaa851a1e3c15d3324b4ae64c78ab22fcd9353c47f83c3316bb640d5926c4

    • SSDEEP

      393216:EvrUXNi5ShR4uwohGaMntuZ/lZ0y8sfBIfNCLxKg5wQ2z7hR99gzaZf2Mf/g:EvrUXN8Q2eQa/nbLpIfIxKgaz7j9SaJ4

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies security service

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks