General

  • Target

    55326c11cf1e5960b4b724af2e9be2d3e7d61f0f469a115d6b7c569911555de9

  • Size

    444KB

  • Sample

    220521-nfheqsggcr

  • MD5

    750b208b2ceb261962f8b51cd7251f5f

  • SHA1

    02468da520dd4f47b31dab126d5484748682f084

  • SHA256

    55326c11cf1e5960b4b724af2e9be2d3e7d61f0f469a115d6b7c569911555de9

  • SHA512

    95f8677fc8a6a285abeb7ff1f3d0da7ed4d11773cafa803719bbe2371726962f0b3a3aea84bcd9643216a1c52ff6a45e771dd33c7e18861966de5ce5c89b0ed9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    account26@lonqsailing.net
  • Password:
    IZmBVEm3

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    account26@lonqsailing.net
  • Password:
    IZmBVEm3

Targets

    • Target

      URGENT QUOTATION.exe

    • Size

      549KB

    • MD5

      203695345c45125e54608c6aed247b88

    • SHA1

      8bb6d8101db17c8337b20797ac18d2c8c0fc56a9

    • SHA256

      150d964fbfa64a31d6d9846500d2353e2aab67c7664cd222244c8e97c8e24b95

    • SHA512

      5043c3b6c48c050c71a723ed1bd3a8a0951fa97167afdb7760649f783dee99f90aa925de260a1d93d9f214d8c98060d2b8c1ce7b1abbbf54a720337e0880443d

    • 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