General

  • Target

    3c9b4123d9f1f2287c85c45351985b73e010a0930e62b8f6921b6f637fc39d2c.exe

  • Size

    4.0MB

  • Sample

    250213-dyhs4sslfk

  • MD5

    144a3d70dc42db576f46a82fb2ffd132

  • SHA1

    3abd5b0744371c9e3a1458add64a299339578bf1

  • SHA256

    3c9b4123d9f1f2287c85c45351985b73e010a0930e62b8f6921b6f637fc39d2c

  • SHA512

    1d44fc4d65e0a153ebf098bf8f32de6fc4e5708f99b2a7fd7d12be1a8d3e8e3e61bdd3710e554f9e5547e17912bd9e76ef33465a8fca32b7454de60685e9afec

  • SSDEEP

    98304:8eacETp6K2SFl+NGEYfIXZVUQBMxFWtzzgAyjFv:8mGqYAJVU4gWtY3Fv

Malware Config

Extracted

Family

gcleaner

C2

185.156.73.73

Targets

    • Target

      3c9b4123d9f1f2287c85c45351985b73e010a0930e62b8f6921b6f637fc39d2c.exe

    • Size

      4.0MB

    • MD5

      144a3d70dc42db576f46a82fb2ffd132

    • SHA1

      3abd5b0744371c9e3a1458add64a299339578bf1

    • SHA256

      3c9b4123d9f1f2287c85c45351985b73e010a0930e62b8f6921b6f637fc39d2c

    • SHA512

      1d44fc4d65e0a153ebf098bf8f32de6fc4e5708f99b2a7fd7d12be1a8d3e8e3e61bdd3710e554f9e5547e17912bd9e76ef33465a8fca32b7454de60685e9afec

    • SSDEEP

      98304:8eacETp6K2SFl+NGEYfIXZVUQBMxFWtzzgAyjFv:8mGqYAJVU4gWtY3Fv

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks