General

  • Target

    835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175

  • Size

    4MB

  • Sample

    220731-nvb69sece5

  • MD5

    711314433abf81f90b6e54ee7c80a217

  • SHA1

    2bd6a1acec7217207f17816fb8ee0ecfe747d4f5

  • SHA256

    835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175

  • SHA512

    9be7405d83715f2ab3add06a42ec7eb162ce0fd02d87560c5f86cfc237506179092f1e847fa737a0f9bbdb4ce67d1590f4024c872b0f83a22400c823af7f0944

  • SSDEEP

    98304:kMQaI5Gn2QfXHZwaNsflwf4QLypfIaa2uL3adc5orvA+1o:kMDl22XH+S+tEOLe3asor4+C

Malware Config

Extracted

Family

cryptbot

C2

newyaer01.top

Targets

    • Target

      835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175

    • Size

      4MB

    • MD5

      711314433abf81f90b6e54ee7c80a217

    • SHA1

      2bd6a1acec7217207f17816fb8ee0ecfe747d4f5

    • SHA256

      835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175

    • SHA512

      9be7405d83715f2ab3add06a42ec7eb162ce0fd02d87560c5f86cfc237506179092f1e847fa737a0f9bbdb4ce67d1590f4024c872b0f83a22400c823af7f0944

    • SSDEEP

      98304:kMQaI5Gn2QfXHZwaNsflwf4QLypfIaa2uL3adc5orvA+1o:kMDl22XH+S+tEOLe3asor4+C

    • CryptBot

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

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • 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.

    • 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 Matrix

Command and Control

    Credential Access

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Persistence

                Privilege Escalation

                  Tasks