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General

  • Target

    175.xls

  • Size

    1.1MB

  • Sample

    230420-l8ehfahb35

  • MD5

    4985d88abcec551ec55f1cbd62fee464

  • SHA1

    59ca04cbc3ba18bea8aa9f5bf42f77650076063d

  • SHA256

    854a52693609fa9e77cc388d175429f1d4dff68fdcd69ca17a754d7583cf962d

  • SHA512

    b105f9666470effeebb3ccc3ab043953aaa0c7c6dba6804586b93c74dcd64ff4b82e685b5532dcbcd0a1e94ed702f9338220d73b241321d0e36d9ff983a28532

  • SSDEEP

    24576:Zu9V+muDLwBk0ZDLwBk5iCtsIc2y7czeftNA3v1J:ZuN+4htvfLANA/1

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      175.xls

    • Size

      1.1MB

    • MD5

      4985d88abcec551ec55f1cbd62fee464

    • SHA1

      59ca04cbc3ba18bea8aa9f5bf42f77650076063d

    • SHA256

      854a52693609fa9e77cc388d175429f1d4dff68fdcd69ca17a754d7583cf962d

    • SHA512

      b105f9666470effeebb3ccc3ab043953aaa0c7c6dba6804586b93c74dcd64ff4b82e685b5532dcbcd0a1e94ed702f9338220d73b241321d0e36d9ff983a28532

    • SSDEEP

      24576:Zu9V+muDLwBk0ZDLwBk5iCtsIc2y7czeftNA3v1J:ZuN+4htvfLANA/1

    • 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 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

MITRE ATT&CK Enterprise v6

Tasks