General

  • Target

    1b38c1e6bece1fbfd546f1016a6b17d7_JaffaCakes118

  • Size

    533KB

  • Sample

    240701-n6xbkstemn

  • MD5

    1b38c1e6bece1fbfd546f1016a6b17d7

  • SHA1

    d129c05f313c86e9186a7753ffc6e5189d0a84f2

  • SHA256

    eed1ff326beb0779b3fefef65ca73bec04723ccc72db283557aa6a73a28a3d1f

  • SHA512

    8fd05e40c4b4f775b9f1d6b19382d5b8d1424c8bc176c0885c25e8b07174200dc9ba909e4d83dc920e745cd9316fc698242a1d674f805cde9882740b77ec9d1b

  • SSDEEP

    6144:PDMAYloj1/L8YEAQwgG5hRCEdMZpj7Sfav0bI8rd6SlV9RNbPtQN:PDMAzjN4YEAFTC+MaPbI8J6SlTPs

Malware Config

Extracted

Family

agenttesla

Credentials

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

Targets

    • Target

      1b38c1e6bece1fbfd546f1016a6b17d7_JaffaCakes118

    • Size

      533KB

    • MD5

      1b38c1e6bece1fbfd546f1016a6b17d7

    • SHA1

      d129c05f313c86e9186a7753ffc6e5189d0a84f2

    • SHA256

      eed1ff326beb0779b3fefef65ca73bec04723ccc72db283557aa6a73a28a3d1f

    • SHA512

      8fd05e40c4b4f775b9f1d6b19382d5b8d1424c8bc176c0885c25e8b07174200dc9ba909e4d83dc920e745cd9316fc698242a1d674f805cde9882740b77ec9d1b

    • SSDEEP

      6144:PDMAYloj1/L8YEAQwgG5hRCEdMZpj7Sfav0bI8rd6SlV9RNbPtQN:PDMAzjN4YEAFTC+MaPbI8J6SlTPs

    • AgentTesla

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

    • AgentTesla payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks