General

  • Target

    6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe

  • Size

    779KB

  • Sample

    250116-ddbjasxrgw

  • MD5

    10a2684aae3f75a984dc63506e8ed8dc

  • SHA1

    99a1ef344d13f5b44f3b0526f44072154e30641b

  • SHA256

    6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b

  • SHA512

    4d001589415898b61f52f01a652a268e3919bc6ced17b12abfbdcc71c64e49f3bf92b00e0f89ed64f120600b95a79fec23406afa3f7b8587552bd270424b1526

  • SSDEEP

    12288:/bdhloJNhQ/cWS7stavkg+t7di+u6VNPD0xvUPoCsTDW4nlpVOWN6fc/WwBZfvo:fiJN+UVsCkgOkQNPQ2oCsWys0xpBZfA

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.stilbo.eu
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    StilBO_#1

Targets

    • Target

      6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe

    • Size

      779KB

    • MD5

      10a2684aae3f75a984dc63506e8ed8dc

    • SHA1

      99a1ef344d13f5b44f3b0526f44072154e30641b

    • SHA256

      6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b

    • SHA512

      4d001589415898b61f52f01a652a268e3919bc6ced17b12abfbdcc71c64e49f3bf92b00e0f89ed64f120600b95a79fec23406afa3f7b8587552bd270424b1526

    • SSDEEP

      12288:/bdhloJNhQ/cWS7stavkg+t7di+u6VNPD0xvUPoCsTDW4nlpVOWN6fc/WwBZfvo:fiJN+UVsCkgOkQNPQ2oCsWys0xpBZfA

    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks