General

  • Target
    8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969.exe
  • Size 466KB
  • Sample241220-e5383a1jak
  • SHA256 8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969.exe
    • Size 466KB
    • SHA256 8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969
    • MD5 SHA1 SHA512 SSDEEP
    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Disables Task Manager via registry modification

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks