General

  • Target

    freeram-xp-1.52-installer_i-7TMz1.exe

  • Size

    1.7MB

  • Sample

    240508-1pj15sbg28

  • MD5

    622bc149ee940b9f79512876b92adac0

  • SHA1

    f3b6ddd3c9accab0163093179f8bab207aabe304

  • SHA256

    ae661e22acd86ec7fd924ccca18c4b73a14b2a0dbb7107cd3bb6bfae0ba25111

  • SHA512

    c9691da85197e3eb2de47e61dcf10a8f50b46c9674531574b5a3bda6a4fc59f89e174cf510b4c5efa0d8632f31fc6b1266691929f3273f6fc6dfbbe7e31fc965

  • SSDEEP

    24576:C7FUDowAyrTVE3U5F/jOW7zbxL18i1Lz5josOIHIZChhPP7T:CBuZrEUWWnb3/hz50sOyh1P

Malware Config

Targets

    • Target

      freeram-xp-1.52-installer_i-7TMz1.exe

    • Size

      1.7MB

    • MD5

      622bc149ee940b9f79512876b92adac0

    • SHA1

      f3b6ddd3c9accab0163093179f8bab207aabe304

    • SHA256

      ae661e22acd86ec7fd924ccca18c4b73a14b2a0dbb7107cd3bb6bfae0ba25111

    • SHA512

      c9691da85197e3eb2de47e61dcf10a8f50b46c9674531574b5a3bda6a4fc59f89e174cf510b4c5efa0d8632f31fc6b1266691929f3273f6fc6dfbbe7e31fc965

    • SSDEEP

      24576:C7FUDowAyrTVE3U5F/jOW7zbxL18i1Lz5josOIHIZChhPP7T:CBuZrEUWWnb3/hz50sOyh1P

    • Cobalt Strike reflective loader

      Detects the reflective loader used by Cobalt Strike.

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Drops file in Drivers directory

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks whether UAC is enabled

    • Downloads MZ/PE file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies powershell logging option

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Checks computer location settings

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks