General

  • Target

    b1e6cf070e6a18fe6d22cab1e5bd28d4ad3e97b5999471dd792a5f7a350b5ecc

  • Size

    658KB

  • Sample

    231208-brz3pshg8y

  • MD5

    63f813cc3cd451869e2947fbbb85707d

  • SHA1

    2a47d4dbdcff3dc8d9406acfe3cfadaa880a38f6

  • SHA256

    b1e6cf070e6a18fe6d22cab1e5bd28d4ad3e97b5999471dd792a5f7a350b5ecc

  • SHA512

    3b09c1fa534e4a4b3d9a1c0727b31b81c4e3110203ec08f728fd7e33d5817e3b3582321f3d5a281370ae78d508005e4473cc45464e513977082087833d13823a

  • SSDEEP

    12288:8hkZ53I3S2PQHxOLJAY8hlgLIWeT0orw9eN3kTXbpnhjt1lExFvAF:8K/OS8bSlgL2dTN0ZnhGxFvQ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      b1e6cf070e6a18fe6d22cab1e5bd28d4ad3e97b5999471dd792a5f7a350b5ecc

    • Size

      658KB

    • MD5

      63f813cc3cd451869e2947fbbb85707d

    • SHA1

      2a47d4dbdcff3dc8d9406acfe3cfadaa880a38f6

    • SHA256

      b1e6cf070e6a18fe6d22cab1e5bd28d4ad3e97b5999471dd792a5f7a350b5ecc

    • SHA512

      3b09c1fa534e4a4b3d9a1c0727b31b81c4e3110203ec08f728fd7e33d5817e3b3582321f3d5a281370ae78d508005e4473cc45464e513977082087833d13823a

    • SSDEEP

      12288:8hkZ53I3S2PQHxOLJAY8hlgLIWeT0orw9eN3kTXbpnhjt1lExFvAF:8K/OS8bSlgL2dTN0ZnhGxFvQ

    • 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

    • 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