General

  • Target

    8f553793aeab4f54b27db2fa6ff4fbc5820aa9544317fb2bbe3d7aa1cc9df5ad.exe

  • Size

    515KB

  • Sample

    241120-z85xaavamj

  • MD5

    be757c5e2adf747c0f2fb1fb482cc36e

  • SHA1

    bfd06c919eb10a7593f93abb960b423085e1d9c4

  • SHA256

    8f553793aeab4f54b27db2fa6ff4fbc5820aa9544317fb2bbe3d7aa1cc9df5ad

  • SHA512

    f210a14fbba0d4395e98722c10a2aaa5900fe534b55efbad5b23df0e7aad12450861bec8815e4c6d963a936e5d2b1ba610f912249ecaa7729f97fce5325e7f1d

  • SSDEEP

    12288:hJUi2iN199w2+Fzp5gMqDQb1mnpM1FzyLz6qKT:hJUi1V9w265gMj1mnpM1FzqzxQ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.davaobay.com.ph
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    p@ssw0rd

Targets

    • Target

      8f553793aeab4f54b27db2fa6ff4fbc5820aa9544317fb2bbe3d7aa1cc9df5ad.exe

    • Size

      515KB

    • MD5

      be757c5e2adf747c0f2fb1fb482cc36e

    • SHA1

      bfd06c919eb10a7593f93abb960b423085e1d9c4

    • SHA256

      8f553793aeab4f54b27db2fa6ff4fbc5820aa9544317fb2bbe3d7aa1cc9df5ad

    • SHA512

      f210a14fbba0d4395e98722c10a2aaa5900fe534b55efbad5b23df0e7aad12450861bec8815e4c6d963a936e5d2b1ba610f912249ecaa7729f97fce5325e7f1d

    • SSDEEP

      12288:hJUi2iN199w2+Fzp5gMqDQb1mnpM1FzyLz6qKT:hJUi1V9w265gMj1mnpM1FzqzxQ

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • 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