General

  • Target

    0e103c7539cd3e961dc94175504c6a269eb5845a1e85c1c8936ad6303cae9c8f

  • Size

    549KB

  • Sample

    220521-n355bahfhn

  • MD5

    0b8229dfc9672b2437c49732cd68ef2e

  • SHA1

    d97fd0d776e8dd6e61757a26e9243e04f62b061d

  • SHA256

    0e103c7539cd3e961dc94175504c6a269eb5845a1e85c1c8936ad6303cae9c8f

  • SHA512

    ed5d4c4985f66ebe95d62b4486b19be0321181bb618192e1f9c7839c53e4a9cf1470454a9fefdc1a37aa6b1cfeb90fc114181f778ce4905b88bd346883821ecf

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sunkyoungvina.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sun123

Targets

    • Target

      New Order.exe

    • Size

      801KB

    • MD5

      831d4a721603de375526e83516add339

    • SHA1

      91c8e91b3f62b251a77a081ee942ba03a98724fd

    • SHA256

      0f75f6670487368f4ba9f5cf419f8f96433a2c4176bd2d07c4a12d0c83963abb

    • SHA512

      afb4f6c226735b289619645377d269b56967be66438e60a9b9edf7637858f650db3ff0cde45f27c4ec9b092c62a142dbc3c8a565914086a93f0ee7012a61562f

    • 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 Enterprise v6

Tasks