General

  • Target

    fbd8775388f073b1f9ebcf318fcdf4d2_JaffaCakes118

  • Size

    378KB

  • Sample

    240928-jvf31axdmh

  • MD5

    fbd8775388f073b1f9ebcf318fcdf4d2

  • SHA1

    b312842f579a982abbbb7f82845a64013f22fb66

  • SHA256

    efc4bcae066a28a746e0b6dd93a7c900d4e7cf3b6ba756f1913fca026e25d2f5

  • SHA512

    a398ac649a7741a3b775ec11ad9db724f665bd0b473125012666f0f4db376eb3c22ce036af6e3b734cfe42d9d00c9059489c9d329518bef25f74dc18947f1879

  • SSDEEP

    6144:NVn8Y/2+3x5spUN1yY0zyZhIoqn9onD4Epvk:N58WhWmNEYOyEx9onD4Eh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    elsecreto2019

Targets

    • Target

      fbd8775388f073b1f9ebcf318fcdf4d2_JaffaCakes118

    • Size

      378KB

    • MD5

      fbd8775388f073b1f9ebcf318fcdf4d2

    • SHA1

      b312842f579a982abbbb7f82845a64013f22fb66

    • SHA256

      efc4bcae066a28a746e0b6dd93a7c900d4e7cf3b6ba756f1913fca026e25d2f5

    • SHA512

      a398ac649a7741a3b775ec11ad9db724f665bd0b473125012666f0f4db376eb3c22ce036af6e3b734cfe42d9d00c9059489c9d329518bef25f74dc18947f1879

    • SSDEEP

      6144:NVn8Y/2+3x5spUN1yY0zyZhIoqn9onD4Epvk:N58WhWmNEYOyEx9onD4Eh

    • AgentTesla

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

    • AgentTesla payload

    • System Binary Proxy Execution: InstallUtil

      Abuse InstallUtil to proxy execution of malicious code.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks