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General

  • Target

    98ec10aa5e7cc5e58ce7bc6c908dcb84

  • Size

    567KB

  • Sample

    240213-j5eb6aef64

  • MD5

    98ec10aa5e7cc5e58ce7bc6c908dcb84

  • SHA1

    4caa7291c2d8331093d174e5003e88a6b60766d1

  • SHA256

    74e4fd16559937ee0b609eb858531a442c7fac27651c6d9b5ffc262b7fe3dcd4

  • SHA512

    69039328090d9dc0140f7465b475ce6a38179564430dfd0eb78dbbe0c12d1fb110fcf2595dd08559d1a468e44ae6942a5fe678d101dc6c9ea467401c5fb60271

  • SSDEEP

    12288:Ejp+gczyhNSvRbBQHR4qz91hI0zSaNsvz+yuWDVId21NaI+E8tyvX4xGV5H2uCRc:uxKWuCRcDhLkUmfZ7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://srbizasrbe.org/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    sync@#1235

Targets

    • Target

      98ec10aa5e7cc5e58ce7bc6c908dcb84

    • Size

      567KB

    • MD5

      98ec10aa5e7cc5e58ce7bc6c908dcb84

    • SHA1

      4caa7291c2d8331093d174e5003e88a6b60766d1

    • SHA256

      74e4fd16559937ee0b609eb858531a442c7fac27651c6d9b5ffc262b7fe3dcd4

    • SHA512

      69039328090d9dc0140f7465b475ce6a38179564430dfd0eb78dbbe0c12d1fb110fcf2595dd08559d1a468e44ae6942a5fe678d101dc6c9ea467401c5fb60271

    • SSDEEP

      12288:Ejp+gczyhNSvRbBQHR4qz91hI0zSaNsvz+yuWDVId21NaI+E8tyvX4xGV5H2uCRc:uxKWuCRcDhLkUmfZ7

    • AgentTesla

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

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks