General

  • Target

    21b5cfd24800830ad027cef1881e4e6c66ceeeb31ce880afe3a7474e53d10a44

  • Size

    4.2MB

  • Sample

    220612-jj3gvscbel

  • MD5

    06775d947513c80e05960fa95842083e

  • SHA1

    8d32ca2cc41e5ce502ae70dab9ae30184994debb

  • SHA256

    21b5cfd24800830ad027cef1881e4e6c66ceeeb31ce880afe3a7474e53d10a44

  • SHA512

    25c409bcaddbbbdcb7fb7490d251a704ce4b12e3174cf50e63883def9968a0c8d1151a9bee007c0429a0fcb3f9b547d881a1fddbcc0f3cf425dbf114ab993576

Malware Config

Targets

    • Target

      21b5cfd24800830ad027cef1881e4e6c66ceeeb31ce880afe3a7474e53d10a44

    • Size

      4.2MB

    • MD5

      06775d947513c80e05960fa95842083e

    • SHA1

      8d32ca2cc41e5ce502ae70dab9ae30184994debb

    • SHA256

      21b5cfd24800830ad027cef1881e4e6c66ceeeb31ce880afe3a7474e53d10a44

    • SHA512

      25c409bcaddbbbdcb7fb7490d251a704ce4b12e3174cf50e63883def9968a0c8d1151a9bee007c0429a0fcb3f9b547d881a1fddbcc0f3cf425dbf114ab993576

    • 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)

    • 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