General

  • Target

    a996deb5e307f8de75baec41051265ad5e3178a42c0424514f6ccac95d236395

  • Size

    729KB

  • Sample

    241121-b2x14aycll

  • MD5

    c03cfe58543cfac0dc2008f7d2661efe

  • SHA1

    5ebb7e861c3051047b2be1b27ca12e077f941b19

  • SHA256

    a996deb5e307f8de75baec41051265ad5e3178a42c0424514f6ccac95d236395

  • SHA512

    bffe0428276291aff99e7084a2f3a1f34527e5cdbdcfa860b7eb227cecd2d737920177e77b1ecd95bbaa5898582bdb5173c524aced4afdb317091ee8cf42fde9

  • SSDEEP

    12288:trOU+Ri3AgFdD7VtMxnOsIdwkqUNjvS3ytxS0Tat+4b1uiLjY5euLUCLK9:mQ3AgHXMtIdnHg3ytxS9+4kxpUCLO

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Targets

    • Target

      a996deb5e307f8de75baec41051265ad5e3178a42c0424514f6ccac95d236395

    • Size

      729KB

    • MD5

      c03cfe58543cfac0dc2008f7d2661efe

    • SHA1

      5ebb7e861c3051047b2be1b27ca12e077f941b19

    • SHA256

      a996deb5e307f8de75baec41051265ad5e3178a42c0424514f6ccac95d236395

    • SHA512

      bffe0428276291aff99e7084a2f3a1f34527e5cdbdcfa860b7eb227cecd2d737920177e77b1ecd95bbaa5898582bdb5173c524aced4afdb317091ee8cf42fde9

    • SSDEEP

      12288:trOU+Ri3AgFdD7VtMxnOsIdwkqUNjvS3ytxS0Tat+4b1uiLjY5euLUCLK9:mQ3AgHXMtIdnHg3ytxS9+4kxpUCLO

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks