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General

  • Target

    f5ab115821d29f1d0825081266b7b89d63679200322b2568413577023a84a020

  • Size

    900KB

  • Sample

    240312-ceqh6seg94

  • MD5

    41cdecbfc109b4aa4d24d01928711bcc

  • SHA1

    b66575de665f14bb4d526c59072ae8741d16c695

  • SHA256

    f5ab115821d29f1d0825081266b7b89d63679200322b2568413577023a84a020

  • SHA512

    e1d20053d60ca2530a95506f9fb8e11c0ab81761784ec3919cee5c1f75a50271b1eb0fb775ed40e0afdb2d45184bef778c8faf2c28b733f86bf190ca61432c96

  • SSDEEP

    12288:C/31uTMGUdLPpXpZ1/9wg3NMEe1I/NcfmAdsp163LDtIng5i7n8pkPAjLk:HUdLPl1/n03Zw16bDtRw85Lk

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    shared167.accountservergroup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Smartooo@123#

Targets

    • Target

      f5ab115821d29f1d0825081266b7b89d63679200322b2568413577023a84a020

    • Size

      900KB

    • MD5

      41cdecbfc109b4aa4d24d01928711bcc

    • SHA1

      b66575de665f14bb4d526c59072ae8741d16c695

    • SHA256

      f5ab115821d29f1d0825081266b7b89d63679200322b2568413577023a84a020

    • SHA512

      e1d20053d60ca2530a95506f9fb8e11c0ab81761784ec3919cee5c1f75a50271b1eb0fb775ed40e0afdb2d45184bef778c8faf2c28b733f86bf190ca61432c96

    • SSDEEP

      12288:C/31uTMGUdLPpXpZ1/9wg3NMEe1I/NcfmAdsp163LDtIng5i7n8pkPAjLk:HUdLPl1/n03Zw16bDtRw85Lk

    • 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 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