General

  • Target

    15da8f2fa3941ea265a4c4d4f7b0a856b0e4c59e7a4a1b606aa52d0c0c7f1532

  • Size

    4.3MB

  • Sample

    220609-gf38wabbb6

  • MD5

    cb33c78a1faab1f3d174fdac42ddbe55

  • SHA1

    125cdec4c2adc54dd023545d83990f9bd882a748

  • SHA256

    15da8f2fa3941ea265a4c4d4f7b0a856b0e4c59e7a4a1b606aa52d0c0c7f1532

  • SHA512

    f9411fa33517dfb998cb11380a8f54d8fa2df1ba766e44282cd3633c1067fe90a047553c4fc348a0b0ab4f5ce4e61ef71e8fd59bf943425cc6e302aee8e6fb30

Malware Config

Targets

    • Target

      15da8f2fa3941ea265a4c4d4f7b0a856b0e4c59e7a4a1b606aa52d0c0c7f1532

    • Size

      4.3MB

    • MD5

      cb33c78a1faab1f3d174fdac42ddbe55

    • SHA1

      125cdec4c2adc54dd023545d83990f9bd882a748

    • SHA256

      15da8f2fa3941ea265a4c4d4f7b0a856b0e4c59e7a4a1b606aa52d0c0c7f1532

    • SHA512

      f9411fa33517dfb998cb11380a8f54d8fa2df1ba766e44282cd3633c1067fe90a047553c4fc348a0b0ab4f5ce4e61ef71e8fd59bf943425cc6e302aee8e6fb30

    • 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