General

  • Target

    solarainstall_protected.sfx.exe

  • Size

    2.2MB

  • Sample

    240712-xj8krswckp

  • MD5

    2e78f45ee035005c4ce1d58d9535699c

  • SHA1

    f47d6b17eb086f6d0981239024c36c3c42797cf6

  • SHA256

    1ecc88c3383a10354a21e49252687fe284e4ed1732d8702d116260107f97f80c

  • SHA512

    810d609bcc48a3d5d501ca7003d0453a259b91904e961b83acdfc95341156a17bb67c34acf1e8f40cc167416918eac92ed7851bb80a3358b166a31b5a5d9bfea

  • SSDEEP

    49152:1Djlabwz9CSSBy+Libs8MBBWvYwPedqYxeJJUKluGmphTcRf:ZqwAPBHLzB8vRPuqYGJPlthJ

Malware Config

Targets

    • Target

      solarainstall_protected.sfx.exe

    • Size

      2.2MB

    • MD5

      2e78f45ee035005c4ce1d58d9535699c

    • SHA1

      f47d6b17eb086f6d0981239024c36c3c42797cf6

    • SHA256

      1ecc88c3383a10354a21e49252687fe284e4ed1732d8702d116260107f97f80c

    • SHA512

      810d609bcc48a3d5d501ca7003d0453a259b91904e961b83acdfc95341156a17bb67c34acf1e8f40cc167416918eac92ed7851bb80a3358b166a31b5a5d9bfea

    • SSDEEP

      49152:1Djlabwz9CSSBy+Libs8MBBWvYwPedqYxeJJUKluGmphTcRf:ZqwAPBHLzB8vRPuqYGJPlthJ

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks