General

  • Target

    6490136719425536.zip

  • Size

    26.4MB

  • Sample

    210115-etdwb4wkpe

  • MD5

    ec5f4896ebbf4f99479a7cf67702a7fe

  • SHA1

    02370898972b286ba636a3b9a5e81eb8a0c2f332

  • SHA256

    99932e6dbe1103e83b0468d11bda2808d22d5522f91b78ca6a3c06a5a85b3210

  • SHA512

    d083822f13472743850924015481532c26dd1c1446f5161d10dd9594f14da75ab7f529607ca56e230f36b552d095d3a974b855475cec3f466894271f7c49789e

Malware Config

Targets

    • Target

      144755cf70a3ef6c0212c49645891c53ce926ad7e3e626016023d6aecc484372

    • Size

      9.0MB

    • MD5

      803d222204c0cd0414b87ec11fa0b012

    • SHA1

      96023416083824f1b4c83161e9c4d6a5197631d6

    • SHA256

      144755cf70a3ef6c0212c49645891c53ce926ad7e3e626016023d6aecc484372

    • SHA512

      f099459e45b115a05a2df128d31a991210279b9a6cb9a4a40b57ecdd4b35442064f4c1390a9ce2c0f6f16b71ce74264ff948c8467b72262dcc21be8e69aea716

    • 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.

    • 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