General

  • Target

    49febd721b50c554167b59bc876a1a261896822096e39357e67cf9ef9dbaaae4

  • Size

    4.3MB

  • Sample

    220625-d2btzaega4

  • MD5

    a454cf45f16ce0a03a2656fcdc05df63

  • SHA1

    a1ab92e80ba89a9e285c52909c1aaadd337baceb

  • SHA256

    49febd721b50c554167b59bc876a1a261896822096e39357e67cf9ef9dbaaae4

  • SHA512

    3a9ffdffedae0a34d8dd6f43be94a0455505076ed0515b47d42c93b19ba95f39cdf71618de74119e21fba1df89895edc2c93dd45d46743a72462c1865760748d

Malware Config

Targets

    • Target

      49febd721b50c554167b59bc876a1a261896822096e39357e67cf9ef9dbaaae4

    • Size

      4.3MB

    • MD5

      a454cf45f16ce0a03a2656fcdc05df63

    • SHA1

      a1ab92e80ba89a9e285c52909c1aaadd337baceb

    • SHA256

      49febd721b50c554167b59bc876a1a261896822096e39357e67cf9ef9dbaaae4

    • SHA512

      3a9ffdffedae0a34d8dd6f43be94a0455505076ed0515b47d42c93b19ba95f39cdf71618de74119e21fba1df89895edc2c93dd45d46743a72462c1865760748d

    • CryptBot

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

    • 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.

    • 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