General

  • Target

    citat-05022024.xla

  • Size

    239KB

  • Sample

    240502-jv3xrscg8z

  • MD5

    8b96bcae9b00af1649c5433e19b66f52

  • SHA1

    f27187cfbd9c3ad22c6ff8cc16f106a26437f5a8

  • SHA256

    91e300979dbed56033d3f9f821abbf631c71858cf9747fa65011c2fe1c515a28

  • SHA512

    141f19d9365fb9125a300a522e404f8a024e14c94b45ec0c0fb9e7b503341f22ee4d3eb7c79886afecf342d68a39d6e71f67ed4c48424ee70592dc9e6b406386

  • SSDEEP

    6144:id4UcLe0JOqPQZR8MDdATCR3tSv0W8DNy/tgG794Yhk:lUP/qPQZR8MxAm/S8W8B/G794Gk

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.horeca-bucuresti.ro
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    H*TE9iL;x61m

Targets

    • Target

      citat-05022024.xla

    • Size

      239KB

    • MD5

      8b96bcae9b00af1649c5433e19b66f52

    • SHA1

      f27187cfbd9c3ad22c6ff8cc16f106a26437f5a8

    • SHA256

      91e300979dbed56033d3f9f821abbf631c71858cf9747fa65011c2fe1c515a28

    • SHA512

      141f19d9365fb9125a300a522e404f8a024e14c94b45ec0c0fb9e7b503341f22ee4d3eb7c79886afecf342d68a39d6e71f67ed4c48424ee70592dc9e6b406386

    • SSDEEP

      6144:id4UcLe0JOqPQZR8MDdATCR3tSv0W8DNy/tgG794Yhk:lUP/qPQZR8MxAm/S8W8B/G794Gk

    • AgentTesla

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

    • Blocklisted process makes network request

    • Abuses OpenXML format to download file from external location

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks