General

  • Target

    order confirmation.exe

  • Size

    3.0MB

  • Sample

    230414-pnbslahg49

  • MD5

    0935ab7d9a4ec7a6f1b0627fcf52665f

  • SHA1

    3e54767bfcc7f6f778926dd4cef4173304ac0def

  • SHA256

    e7f95dc7178b1f1a4025de6557ed721ae061356a4979076a4e95e4d3adfe8799

  • SHA512

    6a073a094056a7b6da5fd04b52873360bfc3725948f16f7d9c91d90297a9532b983b85b7322bb1452e1a114ef536edc7c038f8bd707d49c7f3702a6eafe7cc86

  • SSDEEP

    12288:O7n7VfSue9r4nzhp0exYGpvzkgr9q9EBT:MnJ6zGhp0exYCvr9MEBT

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://195.58.39.94
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    invoicedownload##

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    195.58.39.94
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    invoicedownload##

Targets

    • Target

      order confirmation.exe

    • Size

      3.0MB

    • MD5

      0935ab7d9a4ec7a6f1b0627fcf52665f

    • SHA1

      3e54767bfcc7f6f778926dd4cef4173304ac0def

    • SHA256

      e7f95dc7178b1f1a4025de6557ed721ae061356a4979076a4e95e4d3adfe8799

    • SHA512

      6a073a094056a7b6da5fd04b52873360bfc3725948f16f7d9c91d90297a9532b983b85b7322bb1452e1a114ef536edc7c038f8bd707d49c7f3702a6eafe7cc86

    • SSDEEP

      12288:O7n7VfSue9r4nzhp0exYGpvzkgr9q9EBT:MnJ6zGhp0exYCvr9MEBT

    • AgentTesla

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

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • 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 v6

Tasks