General

  • Target

    pro-forma invoice.xlsm.exe

  • Size

    2.2MB

  • Sample

    240523-ep6dgsde47

  • MD5

    7f673b101bf26081c7e9a07afb60208d

  • SHA1

    7d875b5fa96cb98a12290dac8f78f32b321023c4

  • SHA256

    b0dcb9ceb001f6ea05b3163e56783cfe2028357129eb7db516d28e88acd9845b

  • SHA512

    59e218de90db1e498239ec9cdd129b595b58cc5f2e4da6b1a142b654ef1ad8ad21679c1714180ad28cf4163c39ba093f829ec7fb9bbda6577b3b026dd6aac2a5

  • SSDEEP

    49152:Ya3RyYkdvQ0RKgfPj6eKgT24yYqYu+lste0NENnxIj0i7wClms:YwyjI0RKgfb6eKgTgXp+lst21x5Clms

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.spia-indonesia.org
  • Port:
    587
  • Username:
    rite@spia-indonesia.org
  • Password:
    Looloo123@#
  • Email To:
    info@e-paymentstarter.com

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.spia-indonesia.org
  • Port:
    587
  • Username:
    rite@spia-indonesia.org
  • Password:
    Looloo123@#

Targets

    • Target

      pro-forma invoice.xlsm.exe

    • Size

      2.2MB

    • MD5

      7f673b101bf26081c7e9a07afb60208d

    • SHA1

      7d875b5fa96cb98a12290dac8f78f32b321023c4

    • SHA256

      b0dcb9ceb001f6ea05b3163e56783cfe2028357129eb7db516d28e88acd9845b

    • SHA512

      59e218de90db1e498239ec9cdd129b595b58cc5f2e4da6b1a142b654ef1ad8ad21679c1714180ad28cf4163c39ba093f829ec7fb9bbda6577b3b026dd6aac2a5

    • SSDEEP

      49152:Ya3RyYkdvQ0RKgfPj6eKgT24yYqYu+lste0NENnxIj0i7wClms:YwyjI0RKgfb6eKgTgXp+lst21x5Clms

    • 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.

    • Suspicious use of SetThreadContext

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