General

  • Target

    4a52fbdd9532840dbb385e19d94458678140c46390b3a6f1de3a7e92ea5f5c54

  • Size

    477KB

  • Sample

    220521-n8q8caegg5

  • MD5

    4b22a9ef13bf5f51035cfdebfb1f20d4

  • SHA1

    a09415e30ee7c1bdb55f790722dc8ed56c8c8e4e

  • SHA256

    4a52fbdd9532840dbb385e19d94458678140c46390b3a6f1de3a7e92ea5f5c54

  • SHA512

    5bfa22b34b385aace42e2daa86119ab67b26f15853294009754ee1ff38e3f5a050c2cbd21811d11bcd45faa31bc37053eadb761e4033dcf4caca7c40f65b6243

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sWalzdY4

Targets

    • Target

      INDUS INTL- RFQ(inquiry _list)pht.exe

    • Size

      682KB

    • MD5

      9ad03cd97e4d83bf3bd9f1a2407a4242

    • SHA1

      8f1ced189e835e117388cac76fc68b4810b22a94

    • SHA256

      b2ac207f4af2ee08fd955e71ccfb0c95b07098f0dc88eb2fbe48fb9e1f52c022

    • SHA512

      197ef4db7b2b205fb54bfff024466fa0e90e25ba8db0d59e0532088bb11950a75331c1c8bae212528a819e6315055df16aa60a972abc9fd20833bafe530e67f8

    • AgentTesla

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

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks