General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241123-zbk6ls1pcp

  • MD5

    f97c2e9f72376f61f1d70cf0f4315e20

  • SHA1

    2275dab7414471d6f71bc0d7b9904f1c28109665

  • SHA256

    df6ba8269d9aab412a1d4817dd93c5bba88c9d1baf1f3752ed7b47c47e2dfdf8

  • SHA512

    208f4779c57e285f9e458ff01b0ecc40792ad36e90872a203ca7206c531e773b1d523acc46f0466e88f732b79ebe5a5a14de9c959f9b01c4310cf13c9633b18a

  • SSDEEP

    98304:Axdqr/2OzBrLdrPtIf9ZE6b7n9fmWZfoqHBJQ:AxdqzZtxrPtIfvE6HnXZLS

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      f97c2e9f72376f61f1d70cf0f4315e20

    • SHA1

      2275dab7414471d6f71bc0d7b9904f1c28109665

    • SHA256

      df6ba8269d9aab412a1d4817dd93c5bba88c9d1baf1f3752ed7b47c47e2dfdf8

    • SHA512

      208f4779c57e285f9e458ff01b0ecc40792ad36e90872a203ca7206c531e773b1d523acc46f0466e88f732b79ebe5a5a14de9c959f9b01c4310cf13c9633b18a

    • SSDEEP

      98304:Axdqr/2OzBrLdrPtIf9ZE6b7n9fmWZfoqHBJQ:AxdqzZtxrPtIfvE6HnXZLS

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • 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.

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks