General

  • Target
    05b182f630da98bc0845ec514822d9a1_JaffaCakes118
  • Size 4.5MB
  • Sample240728-cmkynascrm
  • SHA256 a16e1d0c91d621bca507473e61101ec0aae1f50bc2382f8b1c79375ec65037ef
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • bibinene03.top

  • moraass05.top

Targets

    • Target
      05b182f630da98bc0845ec514822d9a1_JaffaCakes118
    • Size 4.5MB
    • SHA256 a16e1d0c91d621bca507473e61101ec0aae1f50bc2382f8b1c79375ec65037ef
    • MD5 SHA1 SHA512 SSDEEP
    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Executes dropped EXE

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      $PLUGINSDIR/Sibuia.dll
    • Size 524KB
    • SHA256 7938db73242aafbe80915e4ca886d38be9b7e872b93bdae1e8ee6cf4a005b7d9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks