General

  • Target

    5b96fbaf2bc4c8b449e1bbb30efa5152ff1565a924ae759f10223f8869e21967

  • Size

    1.5MB

  • Sample

    220801-vvf9jsefc4

  • MD5

    a623c92ea533fdec00aa1f99c724fe0a

  • SHA1

    1c641a709f29a420a07dc6497e5660b040ab79a7

  • SHA256

    5b96fbaf2bc4c8b449e1bbb30efa5152ff1565a924ae759f10223f8869e21967

  • SHA512

    e96e4d50db8d96454948f001473c2e9bfde265234e1591a6e874fba48b866aedda17ad481ae5c4e9edd3e5e6590f1dbf6a9a945e68fce4ef662c03e02b4e78da

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aFsO$W)7

Targets

    • Target

      5b96fbaf2bc4c8b449e1bbb30efa5152ff1565a924ae759f10223f8869e21967

    • Size

      1.5MB

    • MD5

      a623c92ea533fdec00aa1f99c724fe0a

    • SHA1

      1c641a709f29a420a07dc6497e5660b040ab79a7

    • SHA256

      5b96fbaf2bc4c8b449e1bbb30efa5152ff1565a924ae759f10223f8869e21967

    • SHA512

      e96e4d50db8d96454948f001473c2e9bfde265234e1591a6e874fba48b866aedda17ad481ae5c4e9edd3e5e6590f1dbf6a9a945e68fce4ef662c03e02b4e78da

    • AgentTesla

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

    • AgentTesla payload

    • 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

    • 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

Email Collection

1
T1114

Tasks