General

  • Target

    d05671abb7e430ab9567881b11ff4dbfab4d9675e5ecb8128608d1d147b5c073

  • Size

    403KB

  • Sample

    220521-cjjanahacl

  • MD5

    03ccf85e781af6285154fb2b5ceec8ea

  • SHA1

    7b19de5d14c1a4b7378b55643d3096b7a6254c26

  • SHA256

    d05671abb7e430ab9567881b11ff4dbfab4d9675e5ecb8128608d1d147b5c073

  • SHA512

    80c687ccf239352f7fa2647e4c709254a0de4361980c3352016d47a459ab5cd536dc0c0400ed5a6ac563b2e69007451a9c88b838584249f4e0871ecae1737429

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pro-powersourcing.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    china1977

Targets

    • Target

      ORDER.docs.exe

    • Size

      458KB

    • MD5

      0a3333ff7bcb5dd86f29a640b400e2e8

    • SHA1

      49bb20e7fe343cd4ab8f5048b97277230082004f

    • SHA256

      9a1c9a14cefe34731b24b163dced4eb630136df8eeee1fc69babc26db5b5eb35

    • SHA512

      9c7d1e2ec923e722222c446151d9240a576e1bb70174a0960c06fff81657af685288880ad78713cf47cff742adbd8fd36fc7a9ba825d1fc7b8a9dd2aba79e485

    • 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.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks