General

  • Target

    d40d2f142363cdf50cf8a5809fe06eb7_JaffaCakes118

  • Size

    582KB

  • Sample

    240908-lkgmwsycjq

  • MD5

    d40d2f142363cdf50cf8a5809fe06eb7

  • SHA1

    725c0f65b6a0c83a14b27949d5229eb120a60246

  • SHA256

    bbb11db8a10f64cdcb7ab9a166ac71d32d4df4b604d203321c3c211a818d9538

  • SHA512

    8b2467da1a44fedc663cd88c305ae9a2814b42cac2c7d3846bbf8559ee1362b5b1224fbbc85e32ec870f344636c0e1f4d8657c87cee0c2ecf15a73c2add8970b

  • SSDEEP

    12288:ZUYvwyGooEk6RdT5vmhcvK+/SgfpGlJr3WNa9xHVrBp:eUVDk6RdT5Ohc/ShJaaxR

Malware Config

Targets

    • Target

      d40d2f142363cdf50cf8a5809fe06eb7_JaffaCakes118

    • Size

      582KB

    • MD5

      d40d2f142363cdf50cf8a5809fe06eb7

    • SHA1

      725c0f65b6a0c83a14b27949d5229eb120a60246

    • SHA256

      bbb11db8a10f64cdcb7ab9a166ac71d32d4df4b604d203321c3c211a818d9538

    • SHA512

      8b2467da1a44fedc663cd88c305ae9a2814b42cac2c7d3846bbf8559ee1362b5b1224fbbc85e32ec870f344636c0e1f4d8657c87cee0c2ecf15a73c2add8970b

    • SSDEEP

      12288:ZUYvwyGooEk6RdT5vmhcvK+/SgfpGlJr3WNa9xHVrBp:eUVDk6RdT5Ohc/ShJaaxR

    • AgentTesla

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

    • Modifies Windows Defender Real-time Protection settings

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • 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.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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