General

  • Target

    Revise Invoice to Euro Currency.exe

  • Size

    509KB

  • Sample

    231113-hkkg1abc89

  • MD5

    5e23555c91c7f95d876c082658f8b064

  • SHA1

    48b6b9fb774ebc8dba9ceefcf628dbf491038de4

  • SHA256

    244ca73815a8c8303d9738bf0dd0fb859736fc69ea5103329ba2f6be2f9637eb

  • SHA512

    9e018a31932165da66d50ab03c4649955070d78402d4d4f6c6218262cca6b415a69eab95db6be9dec89953b90559991db793c8d6847dd75103be5347d4b5db8c

  • SSDEEP

    12288:hRhOCFE4wfDpKj+G49niOTfwL4uGcwp+4i1:Hk4MDpKjw1iChcwp+4w

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Revise Invoice to Euro Currency.exe

    • Size

      509KB

    • MD5

      5e23555c91c7f95d876c082658f8b064

    • SHA1

      48b6b9fb774ebc8dba9ceefcf628dbf491038de4

    • SHA256

      244ca73815a8c8303d9738bf0dd0fb859736fc69ea5103329ba2f6be2f9637eb

    • SHA512

      9e018a31932165da66d50ab03c4649955070d78402d4d4f6c6218262cca6b415a69eab95db6be9dec89953b90559991db793c8d6847dd75103be5347d4b5db8c

    • SSDEEP

      12288:hRhOCFE4wfDpKj+G49niOTfwL4uGcwp+4i1:Hk4MDpKjw1iChcwp+4w

    • AgentTesla

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

    • Checks computer location settings

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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