Resubmissions

05-10-2023 06:02

231005-grwceaha51 7

12-09-2023 12:05

230912-n9e7gaeg75 10

10-08-2023 17:40

230810-v8vzvshf5y 8

General

  • Target

    Orders.docx.doc

  • Size

    22KB

  • Sample

    230912-n9e7gaeg75

  • MD5

    228f3b042d432eb4ffa95a97ca6eea4a

  • SHA1

    677e75d0a274b8bf9f71e01c6de0d10761338b35

  • SHA256

    a5ac36f6a99ec92dedf0f7540aca80496e33a976e9a74f74f81c46dd0b6daab7

  • SHA512

    984ace9733ca6d2f287a5312420b030c5790b3c39328a8d0c92e28078b31b71f84c5677e8c0b9ffbf5d93a987a668910d79ae4264c09e52a384ab6d9e08caa6c

  • SSDEEP

    384:3I+R9SfG6f59UORfqNy4Y0Fivd7ZMM4EUS9rDhCl0mppOkFzO7Y7E:3IzXomfsRYKiAMx9Xg0mptRaY4

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Orders.docx.doc

    • Size

      22KB

    • MD5

      228f3b042d432eb4ffa95a97ca6eea4a

    • SHA1

      677e75d0a274b8bf9f71e01c6de0d10761338b35

    • SHA256

      a5ac36f6a99ec92dedf0f7540aca80496e33a976e9a74f74f81c46dd0b6daab7

    • SHA512

      984ace9733ca6d2f287a5312420b030c5790b3c39328a8d0c92e28078b31b71f84c5677e8c0b9ffbf5d93a987a668910d79ae4264c09e52a384ab6d9e08caa6c

    • SSDEEP

      384:3I+R9SfG6f59UORfqNy4Y0Fivd7ZMM4EUS9rDhCl0mppOkFzO7Y7E:3IzXomfsRYKiAMx9Xg0mptRaY4

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks