General

  • Target

    e297586523c0048d7fcce8dfbd53787c47bff61fefc63200d2bfcdb9976056ee

  • Size

    4.4MB

  • Sample

    220625-h75rfsbadq

  • MD5

    d49f259504efd5ff2cb90c4b3410921a

  • SHA1

    0b4ffc163fe56f3bdc9b73bdab32f1f5ec448914

  • SHA256

    e297586523c0048d7fcce8dfbd53787c47bff61fefc63200d2bfcdb9976056ee

  • SHA512

    fc04b2a624705465b11331a9dfd62131dd2b9a4cef06a111a6468c2e499c526835c5ce8df112a569c0c03c78e474f3317a099aa2d1f14ccac86bc5f038f90c54

Malware Config

Targets

    • Target

      e297586523c0048d7fcce8dfbd53787c47bff61fefc63200d2bfcdb9976056ee

    • Size

      4.4MB

    • MD5

      d49f259504efd5ff2cb90c4b3410921a

    • SHA1

      0b4ffc163fe56f3bdc9b73bdab32f1f5ec448914

    • SHA256

      e297586523c0048d7fcce8dfbd53787c47bff61fefc63200d2bfcdb9976056ee

    • SHA512

      fc04b2a624705465b11331a9dfd62131dd2b9a4cef06a111a6468c2e499c526835c5ce8df112a569c0c03c78e474f3317a099aa2d1f14ccac86bc5f038f90c54

    • CryptBot

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

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • 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