General

  • Target
    91dc35fa23a889bd9ef1e703e0f9eed7.exe
  • Size 1.3MB
  • Sample210716-ejg7y3rmdx
  • SHA256 991cd470e36b51d3640eb6a1a40b6dbd54d2f82d6543fe38a46404bfc0a6bc76
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      91dc35fa23a889bd9ef1e703e0f9eed7.exe
    • Size 1.3MB
    • SHA256 991cd470e36b51d3640eb6a1a40b6dbd54d2f82d6543fe38a46404bfc0a6bc76
    • MD5 SHA1 SHA512
    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks