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General

  • Target

    b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c

  • Size

    644KB

  • Sample

    241125-bsyaha1ja1

  • MD5

    b879cd6704b4407c21479a3ce1342c1b

  • SHA1

    0cd2ca8132e54acc701375cdf8ca2ed4d0bd4ab1

  • SHA256

    b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c

  • SHA512

    7b9afcfe53f509633f2839e9a73d742956a45c6c98fe0143e039e50a1a9a6303c13d7ae70900a63794bdec6810322bb79422afcdb77169487ef48b3975017673

  • SSDEEP

    12288:NUY/s0yMnHFwms+82k1eHIecCTb9ODqhT4IT3hTy+9vsHvVz/:j1nlwmL82k1eHqi6A0ITlyqGD

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

      b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c

    • Size

      644KB

    • MD5

      b879cd6704b4407c21479a3ce1342c1b

    • SHA1

      0cd2ca8132e54acc701375cdf8ca2ed4d0bd4ab1

    • SHA256

      b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c

    • SHA512

      7b9afcfe53f509633f2839e9a73d742956a45c6c98fe0143e039e50a1a9a6303c13d7ae70900a63794bdec6810322bb79422afcdb77169487ef48b3975017673

    • SSDEEP

      12288:NUY/s0yMnHFwms+82k1eHIecCTb9ODqhT4IT3hTy+9vsHvVz/:j1nlwmL82k1eHqi6A0ITlyqGD

    • 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