General

  • Target
    ST_CS2_Cosmetic.zip
  • Size 14.4MB
  • Sample260801-qc5f7sba69
  • SHA256 5cc32e24df9f67689d319f9a695466a4f3c48773e4ff305a4907da721300bfd3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ST_CS2_Cosmetic.zip
    • Size 14.4MB
    • SHA256 5cc32e24df9f67689d319f9a695466a4f3c48773e4ff305a4907da721300bfd3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ST_CS2_Cosmetic/CS2_Injector.exe
    • Size 30KB
    • SHA256 3dbf9114c40f8f76c07a1dff4e5eba6e05c0ba3bf0c530e491df8132d5b93f7b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      ST_CS2_Cosmetic/README (STEPS).txt
    • Size 756B
    • SHA256 5629b9f1330760126bab7a27c11e0ee6a4b15df6f00541ccb5463c738d4450c0
    • MD5 SHA1 SHA512 TLSH
    Score
    1/10
    • Target
      ST_CS2_Cosmetic/SkinChanger.dll
    • Size 14.5MB
    • SHA256 9163f54b52609853cbd234646433f24aa5c6e56786dbd0ad0dba1354b2cf382e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks