General

  • Target

    a9c38bfb583207e1f239d6b0d5ebd88c0e513de0b3191a3384278919c4335d29.zip

  • Size

    22KB

  • Sample

    240310-gqw8baeb91

  • MD5

    69b62484b2e72036e6351beba3655b0b

  • SHA1

    568d68db9a2871a8b0f80fb3a30f28c1058fd534

  • SHA256

    ad5fa5366d8678ef3f45e8d34b0ef737fe7c8de55bd80595c39c268e20486a37

  • SHA512

    23c288a78cb7778de8dcd63dfe84dbad628ffec9127747b7b58211a287de52eb14c0669b35e751b234b46075a3aa6ae05e6befe8edd8dfa8de38b3aaf2a8cdf6

  • SSDEEP

    384:DjjSd4vlXi5WvljA+2LFToyE7nwqE/OSHUWUTuWX1hOxOK2CdbsePmLjqQu9CCmy:D/44vcWvljZmxU7XlQl8OQuUCi2d

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      a9c38bfb583207e1f239d6b0d5ebd88c0e513de0b3191a3384278919c4335d29.doc

    • Size

      116KB

    • MD5

      db2424da91067723c22e76698958d7e7

    • SHA1

      2b3d5980e287b1e987e88affd62de07adba21327

    • SHA256

      a9c38bfb583207e1f239d6b0d5ebd88c0e513de0b3191a3384278919c4335d29

    • SHA512

      d297677f01f3edb3f1522e66b03a911270f6091ab7d9689a89c5946801175812f2ef58a8e70c2e787038c17aee7de2727eb8f36f758f11cc6067670256ceab5f

    • SSDEEP

      768:/wAbZSibMX9gRWjtwAbZSibMX9gRWjtwAbZSibMX9gRWjcmbffWoQoDRfIxeGeSH:/wAlRkwAlRkwAlRFmbfeoQoDJIee5t

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks