General

  • Target

    08b65490b006f4fc37d5c72b609d67590fa8b13597e89c1708704f0f4a3b2cd1

  • Size

    468KB

  • Sample

    220521-mznv7acgc7

  • MD5

    94778a0761e55abf2fba5fcc54ba9c0b

  • SHA1

    c1e79b0a1c2ff8b1d73bd2b92dccf9b6b6b5c951

  • SHA256

    08b65490b006f4fc37d5c72b609d67590fa8b13597e89c1708704f0f4a3b2cd1

  • SHA512

    3c3dd5d25e44eb5cda2029bca47dcb1ccb75383e9a37c33e6c367f12a30c5500b8e5b503fde6695d9250b585060c251bb069237c398918db47a4dec759e24e5d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.totallyanonymous.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    186s509N

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.totallyanonymous.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    186s509N

Targets

    • Target

      wzzy334.exe

    • Size

      735KB

    • MD5

      d689a22a87237998ab61ccab05a5eab0

    • SHA1

      b3d175e2611c5eac44610efffb72cf7ef5fbe138

    • SHA256

      86e5796ae957a22f0b55caae1fee9af102cea6e31fca38e4334a50f0b5e57971

    • SHA512

      1775cd1be726b84089c9bced1a4c6ca79cac4aba9ce7ebc47bf545a4b49abd7b04c48853c18624fbdca3eee9158f8bd111890adda9b7c2e24a648d3c000a94be

    • 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