General

  • Target

    0caf306bf10b1bd1c0f0fc6c447d3ad95dd2edd34f9e1fa9fecd24c79d1c41c3

  • Size

    702KB

  • Sample

    220521-a67wesbdd5

  • MD5

    50090e023bf55d8e4991c3436652d701

  • SHA1

    4d359890396c015e4199f2fed8498a94a12eb2fa

  • SHA256

    0caf306bf10b1bd1c0f0fc6c447d3ad95dd2edd34f9e1fa9fecd24c79d1c41c3

  • SHA512

    e3cda8873291fae384ea27152f38b84648e05aff61409c97a07027bbeea2ee85a3eaad745e55c9b30466bd668a473d3158df5fed3f0770e268f7c4684cec3050

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.eidtravel.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Core2020C

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.eidtravel.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Core2020C

Targets

    • Target

      SOA.exe

    • Size

      868KB

    • MD5

      c259059766e6e915ce290867a9602e62

    • SHA1

      83ec2e23c79343e9d4a48c2496b4eca88dcdf442

    • SHA256

      1f0fcdd458865a771efea274126720044af98fcaf9fc46142fbdd5ff90c35a47

    • SHA512

      1673a3e28d4d5014eb4419e643a4faaab18e3da1136814b46cdd8af6542362cd89ebd8ed1cea1726402d1a94504e720d963c270c4aca372bdbcaf3458616b371

    • AgentTesla

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

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • 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 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

    • 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 v6

Tasks