General

  • Target

    d9f01436c890d26da55d5caa1999e73ef71fab82310ee65ea7d038a7e9ad5374

  • Size

    4.3MB

  • Sample

    220625-fd86nsghe5

  • MD5

    328ebad3b9024940b56a758598dd9811

  • SHA1

    915ad091b5d250ff94aa2aec146dc5214558b0d8

  • SHA256

    d9f01436c890d26da55d5caa1999e73ef71fab82310ee65ea7d038a7e9ad5374

  • SHA512

    2975063ec08f72a5d8747c84cb32efba335263f35f21daa137839262f82197b79658b450dec676a3a6887c229929210823fedc56630cea2137e2b9728bb405a1

Malware Config

Targets

    • Target

      d9f01436c890d26da55d5caa1999e73ef71fab82310ee65ea7d038a7e9ad5374

    • Size

      4.3MB

    • MD5

      328ebad3b9024940b56a758598dd9811

    • SHA1

      915ad091b5d250ff94aa2aec146dc5214558b0d8

    • SHA256

      d9f01436c890d26da55d5caa1999e73ef71fab82310ee65ea7d038a7e9ad5374

    • SHA512

      2975063ec08f72a5d8747c84cb32efba335263f35f21daa137839262f82197b79658b450dec676a3a6887c229929210823fedc56630cea2137e2b9728bb405a1

    • CryptBot

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

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

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks