General

  • Target

    5190672.zip

  • Size

    543KB

  • Sample

    230330-ngpv7sdh4x

  • MD5

    5b207618d49abfd8b2d432706f8ebc2c

  • SHA1

    90f74fd3d21a9f09aeb3116dbfc97cd49264686d

  • SHA256

    9711294918a8cc2e424c2bd81b3c81b8f8d939e1c761588399c9fcde7a2d0ec3

  • SHA512

    4026bd0a86d3204ca68089d6901c20d30fd2a31277a7a0ef8ec9045f77ee85a3583b3f598d8a1d57ed1d948aa98633fc7b5c5d3d2a8a9ad527d242415c0acf40

  • SSDEEP

    12288:9/qM4kM4bFhqvxlknCIdkSkpD6a5Csr9YwaM8UaHEKrgEuJsz1rwrMYdFgymR:5lM4bFcknCIdk35CcYwanvr+JrJdFgyi

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.asiaparadisehotel.com
  • Port:
    587
  • Username:
    sales@asiaparadisehotel.com
  • Password:
    06bietthunhatrang
  • Email To:
    officestore2022@gmail.com

Targets

    • Target

      5190672.exe

    • Size

      658KB

    • MD5

      131fc2043b4c740cb1a3bd4a8398a780

    • SHA1

      041be9bfdbed62d56906f5fe2ebdad0f1f7037d5

    • SHA256

      191529d733524665838e0d27b44844ca0a3c914d8577d4f2d8c8b93ea4a7729a

    • SHA512

      e2f5bd59a57b4a47756643e8395d9b8bdf2d1b02e3f4eb20409195027d7921e7614153b93efda90daa00e31cfd72f4f1e26774121d90b3995e681463c69af31c

    • SSDEEP

      12288:74DM4ky4LFhqvVeACFUYvHoIlC/BEzOCHHwaMgUa3EKrgXcsznauIimOMt+k:7Zy4LFyefHNlw+zOCnwapHrcPnbIimX

    • 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

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

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