General

  • Target
    RC7 Remake V2.0.zip
  • Size 8.8MB
  • Sample260916-sr2pzasclf
  • SHA256 9751c10aaff76d553153f10db47d84a9302e2f33a93ff92034c0714b4505c4bb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      RC7 Remake V2.0.zip
    • Size 8.8MB
    • SHA256 9751c10aaff76d553153f10db47d84a9302e2f33a93ff92034c0714b4505c4bb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Checks BIOS information in registry

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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Target
      AntiSkidDLL.dll
    • Size 5.5MB
    • SHA256 d9662b4a6a239dd96bcd020573d6ab883857288dc6f3dcea74d922ff13b53637
    • 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

    • Target
      RC7.exe
    • Size 5.8MB
    • SHA256 d2e684953ca2a7bf5888d50d054151537912e2b7296698eeb1efc55ae03efcd7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks