General

  • Target

    payment advise.exe

  • Size

    927KB

  • Sample

    210727-zcl9736lhe

  • MD5

    be85265738633fe3cd59f95bab85bddb

  • SHA1

    73b701dafe47b4da709a349dfe24ac87a08abfe7

  • SHA256

    7729f33528cbe1b6f4c4f5e695798b1561a2c2c615a88cfbc495254dd93ab81a

  • SHA512

    f0c748030685272fda45d161226c2680a402c0776e902129e384f4ab7e76348af8e003f876dc090066ade26324a2d150f2ee9989ae2b3df6f2cd636d7762ab94

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    paola.micheli@copangroup.xyz
  • Password:
    gibson.1990

Targets

    • Target

      payment advise.exe

    • Size

      927KB

    • MD5

      be85265738633fe3cd59f95bab85bddb

    • SHA1

      73b701dafe47b4da709a349dfe24ac87a08abfe7

    • SHA256

      7729f33528cbe1b6f4c4f5e695798b1561a2c2c615a88cfbc495254dd93ab81a

    • SHA512

      f0c748030685272fda45d161226c2680a402c0776e902129e384f4ab7e76348af8e003f876dc090066ade26324a2d150f2ee9989ae2b3df6f2cd636d7762ab94

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks