General

  • Target
    b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe
  • Size 224KB
  • Sample260629-vjcf8aas7y
  • SHA256 b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.holzbrenzii.com

  • Port

    21

  • Password

    boygirl123456

Targets

    • Target
      b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe
    • Size 224KB
    • SHA256 b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Family: Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks