General

  • Target

    73e443419c142c80da43bda0677d324d8dd516bfe777d4a2be81202514b799bf

  • Size

    236KB

  • Sample

    240426-cnat3shc34

  • MD5

    394f315ef6598217492f9fe53d47ee0f

  • SHA1

    4f15c6dd67f55c7fa96e7829b53441157a72402d

  • SHA256

    73e443419c142c80da43bda0677d324d8dd516bfe777d4a2be81202514b799bf

  • SHA512

    c49ac9ea07958dbf4531b57ed4c014a2ff943e50dae704619943adf6e8d53d04a4111033b6210cdd3cb11281072f38653184a75a01f69b42aa014b41d38c16bd

  • SSDEEP

    3072:krABP1RVJljBXrCbIMjJS5JgNIxnixY5WR5IUCZklB8f:krSP1RVJljBXrCbIMqKNI8Y5WMbZM

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.royalgroup.vn
  • Port:
    587
  • Username:
    ngald@royalgroup.vn
  • Password:
    Royal@12345
  • Email To:
    s73286937@gmail.com

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.royalgroup.vn
  • Port:
    587
  • Username:
    ngald@royalgroup.vn
  • Password:
    Royal@12345

Targets

    • Target

      73e443419c142c80da43bda0677d324d8dd516bfe777d4a2be81202514b799bf

    • Size

      236KB

    • MD5

      394f315ef6598217492f9fe53d47ee0f

    • SHA1

      4f15c6dd67f55c7fa96e7829b53441157a72402d

    • SHA256

      73e443419c142c80da43bda0677d324d8dd516bfe777d4a2be81202514b799bf

    • SHA512

      c49ac9ea07958dbf4531b57ed4c014a2ff943e50dae704619943adf6e8d53d04a4111033b6210cdd3cb11281072f38653184a75a01f69b42aa014b41d38c16bd

    • SSDEEP

      3072:krABP1RVJljBXrCbIMjJS5JgNIxnixY5WR5IUCZklB8f:krSP1RVJljBXrCbIMqKNI8Y5WMbZM

    • AgentTesla

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

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

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

Tasks