General

  • Target

    usfive_20210718-090922

  • Size

    499KB

  • Sample

    210718-1k2qyvg4tx

  • MD5

    982f58d704d00ef6fa9a90d3fee6b98b

  • SHA1

    810959da0fdbd7667a5356282b1e9bb2bdb21d72

  • SHA256

    86b3b60d044d90b22c1285027ad44cc36b3c83ab2c4174fb92ef07cbe1d76cac

  • SHA512

    0d19255e57b3eb47fa42c6b1fec153f5926b0043ae8ed939ef9df1d16bc145928d0ab824091bb39b5e597c6c8efcf41a0fa4cdc9870569889e7ea680b014e065

Malware Config

Targets

    • Target

      usfive_20210718-090922

    • Size

      499KB

    • MD5

      982f58d704d00ef6fa9a90d3fee6b98b

    • SHA1

      810959da0fdbd7667a5356282b1e9bb2bdb21d72

    • SHA256

      86b3b60d044d90b22c1285027ad44cc36b3c83ab2c4174fb92ef07cbe1d76cac

    • SHA512

      0d19255e57b3eb47fa42c6b1fec153f5926b0043ae8ed939ef9df1d16bc145928d0ab824091bb39b5e597c6c8efcf41a0fa4cdc9870569889e7ea680b014e065

    • DarkVNC

      DarkVNC is a malicious version of the famous VNC software.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • DarkVNC Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks