General

  • Target

    b7660854fca9a68c257f983d455de6afa7c91fb63f8e0d9626bcce501c788412

  • Size

    396KB

  • Sample

    220520-2afkvafaa6

  • MD5

    ac28b83080a0d6125c391932fdbfe0e8

  • SHA1

    b9ba8a2892c7d852bfc1ed249451a0843c4d14cb

  • SHA256

    b7660854fca9a68c257f983d455de6afa7c91fb63f8e0d9626bcce501c788412

  • SHA512

    eed2687b6515f01a9ae59c29d019997cf8bebe52c3809a4938f17d4e43a4b72a004c385ee8977ab38672fa460e94843d997cabd61a4ba719067e9364414caf74

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.protistha.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    In4mation@

Targets

    • Target

      PO467.exe

    • Size

      481KB

    • MD5

      b170dc700fe581697f094f5b3db89cae

    • SHA1

      445356ed727561f2e4344f2c8311329ac5157877

    • SHA256

      3549a2f711e2afcb12e8d6925c3e4e8888f5dfce8249ced828ec5119f450b5d2

    • SHA512

      f7759005a02a9be49ad3570dba58857fccc131cfed9f3064ad8fdb874504c788c40a557168e2c4bbc288d42c50aa9d87d204f3ecd4bd0f37db9fd654f3800687

    • 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