General

  • Target

    2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware

  • Size

    573KB

  • Sample

    250113-tjgkhazpdm

  • MD5

    149b334f85bbd7a24ab55c53ab03ba8e

  • SHA1

    de025845597e99ceaefbe481dcac1629134138ec

  • SHA256

    54640459e29ae0685e2a9981cb3bf57690623a1b4d3ce61aeee3c1fe6ac3a196

  • SHA512

    32904758695e6368d2fafb54ebf6d17e0d990cabe885a94aeaf59e46b8f1159e9d78d34234e2dcb181db75855e476c625aba2e989f02456820790c7d1fe96835

  • SSDEEP

    12288:crtmE2OVIDRhIbCLm/A4xQ9ZYCuzNB0JfiwSdYSui8:c72NhIm6oxYxNsfiTdYSuV

Malware Config

Targets

    • Target

      2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware

    • Size

      573KB

    • MD5

      149b334f85bbd7a24ab55c53ab03ba8e

    • SHA1

      de025845597e99ceaefbe481dcac1629134138ec

    • SHA256

      54640459e29ae0685e2a9981cb3bf57690623a1b4d3ce61aeee3c1fe6ac3a196

    • SHA512

      32904758695e6368d2fafb54ebf6d17e0d990cabe885a94aeaf59e46b8f1159e9d78d34234e2dcb181db75855e476c625aba2e989f02456820790c7d1fe96835

    • SSDEEP

      12288:crtmE2OVIDRhIbCLm/A4xQ9ZYCuzNB0JfiwSdYSui8:c72NhIm6oxYxNsfiTdYSuV

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks