Resubmissions

04/05/2024, 02:39

240504-c5lynsec268

04/05/2024, 02:37

240504-c4at1seb777

04/05/2024, 02:33

240504-c1tsqaea987

General

  • Target
    Styx Client Latest.dll
  • Size 4.2MB
  • Sample240504-c5lynsec26
  • SHA256 2d1307efa269e7f18f1818e672c028c76de3cb3c8ec3cd3c2bf9816bddf1a8de
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Styx Client Latest.dll
    • Size 4.2MB
    • SHA256 2d1307efa269e7f18f1818e672c028c76de3cb3c8ec3cd3c2bf9816bddf1a8de
    • MD5 SHA1 SHA512 SSDEEP
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks