General

  • Target

    1027852000XLS.exe

  • Size

    305KB

  • Sample

    240716-q1s33svhmq

  • MD5

    a7ead26bba76400ba28b16d673d09ca9

  • SHA1

    0357d6888093126979c92dd2c9601fe032e54f60

  • SHA256

    e79e83851d7a1d359a9c2aa4a8ad42790a7d4671d2fa832c908c4ec2374319b9

  • SHA512

    1abff7c30fa1c6dd0fc0c97cd979bd5766f4940897b07df869ddbd35665c0797453293c4b48c6bfe28718cb0f44a86638d10ae8395121f5450f3edce29687280

  • SSDEEP

    6144:VSWHwR2MxDbPD2uM+G6uwrhm6drFtngAgp:1w8MxDuuMWrhmKrFtngRp

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      1027852000XLS.exe

    • Size

      305KB

    • MD5

      a7ead26bba76400ba28b16d673d09ca9

    • SHA1

      0357d6888093126979c92dd2c9601fe032e54f60

    • SHA256

      e79e83851d7a1d359a9c2aa4a8ad42790a7d4671d2fa832c908c4ec2374319b9

    • SHA512

      1abff7c30fa1c6dd0fc0c97cd979bd5766f4940897b07df869ddbd35665c0797453293c4b48c6bfe28718cb0f44a86638d10ae8395121f5450f3edce29687280

    • SSDEEP

      6144:VSWHwR2MxDbPD2uM+G6uwrhm6drFtngAgp:1w8MxDuuMWrhmKrFtngRp

    • AgentTesla

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

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • 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.

    • Adds Run key to start application

    • 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