General

  • Target

    Purchase order.zip

  • Size

    568KB

  • Sample

    221002-lzg7zaabh6

  • MD5

    6d13622c3be61f66133b61f868c48cfa

  • SHA1

    c71f44bab2df24fbb438040e427ceefe01d80b15

  • SHA256

    bb5790d0cc44e868145f3364ff16b53d095c69ce7b1e5e28b40874262b1b5725

  • SHA512

    09db9d016a863bd8245ad82a07245bd0f95ce15031fef2b20dabf6a5dd69895fcfb08458dc225f33b4dad33a4759925dc8dd65df410a4825fc95ad9aaf1a2959

  • SSDEEP

    12288:djljyRZASNmzFQxAQ803ieiEjHuBO8/nIkT/aUXr971:djFyfA8yM8oiet8/j/aKR71

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hussain-co.com
  • Port:
    587
  • Username:
    finance@hussain-co.com
  • Password:
    %%finance_@2018%

Targets

    • Target

      Purchase order.exe

    • Size

      1019KB

    • MD5

      7226470353687f75d5452206c78845a2

    • SHA1

      8f6770bed41c1308978680774c20b3d5332b1694

    • SHA256

      6ef3a6302326903ef728eefd2b58031cd936b9b6fe46507ea7aadf6518975701

    • SHA512

      208d5d135cd1bf733a66584615eea5505954dfac28790192ea976006f833878b1a00223ed92a3e291381d5ab627410bd80274fd6cb5ecb6998adfd801a8bc62f

    • SSDEEP

      12288:T3mY2iNw0+9MKdSN6zFQ7AQqu3Y8QADqjJ5n1OBpQh7e4ptrqNdfp90yxs:T3x1Iey82CquY86jr

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks