General

  • Target
    brabus.exe
  • Size 354KB
  • Sample260720-j5z9mabs2k
  • SHA256 c6694c1a76fa191ff75af8a391961ef51c023cdb672173836bb579a6db36526e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Campaign
  • Sheet_mlqxvdlobvxqeu

C2
  • tcp.niceports.shop:20000

Targets

    • Target
      brabus.exe
    • Size 354KB
    • SHA256 c6694c1a76fa191ff75af8a391961ef51c023cdb672173836bb579a6db36526e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Sheetrat obfuscated V1.8 and higher

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • Detects Sheetrat obfuscated version

    • Family: Sheetrat, NonEuclid rat

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v16

Tasks