General

  • Target

    Proformes invoice #09-14-2021.iso

  • Size

    1.5MB

  • Sample

    210915-hn8c8saac6

  • MD5

    94abf208036e51b21c396d0527e51bef

  • SHA1

    451e4ca3d0fa385824e498a92011f8250658e61c

  • SHA256

    fef5268d7f0360108bba7f2847b0e5f5b572e20a87bdc543d16410e2cdcc9eaa

  • SHA512

    b93ee5eed2e57efa8db6c0b195bfa1ffd1111d95a715ea2d95ba1be45ed0d5e293fa5dd9e972f4b8fc0f40e382bf3288db791161d9443fe79d1e7ebb2464e503

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.outlook.com
  • Port:
    587
  • Username:
    in23529@outlook.com
  • Password:
    Godisgreat0803

Targets

    • Target

      PROFORME.EXE

    • Size

      1003KB

    • MD5

      e06203fc38f6e1feeebbfda689a3c3ba

    • SHA1

      eeeb9935a650e41711c99675f3f579610391b9b3

    • SHA256

      c9fc6e398381a3152e36eec50f7157bde0a38462bd3345256487d9ab08eb6acc

    • SHA512

      856f03489826a27e23961e35ada7e223b1f933522ed2c81a06685a3b6a328b1a71490c64d6981d72f1d64890ddf6d69f3ac4bd3b5e02e860a6fa697ad744941e

    • AgentTesla

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

    • AgentTesla Payload

    • 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

    • 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

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks