General

  • Target

    Purchase Order.exe

  • Size

    503KB

  • Sample

    200731-dxjjje7m4j

  • MD5

    e2c5a557e2b9231f37e735277b2d3492

  • SHA1

    c1dd9b1823b6945833d1416c5d79ed7b72038b4a

  • SHA256

    47ccdee28a4d20ec5d8234d66a5b95b2f3dfd2966b3a63e38af94f9cdfcc7c2d

  • SHA512

    2ed31d1d49b02ad0e432942475bbab50a4e6c6c3c6141ce6e5b6fc0e23fe9a0bdae0e9411476b23f110373fe4539e8a8fe0bf08c8c7fd44643374b2bac97f9af

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.threewaystoharems.com
  • Port:
    587
  • Username:
    coaching@threewaystoharems.com
  • Password:
    sales@123456

Targets

    • Target

      Purchase Order.exe

    • Size

      503KB

    • MD5

      e2c5a557e2b9231f37e735277b2d3492

    • SHA1

      c1dd9b1823b6945833d1416c5d79ed7b72038b4a

    • SHA256

      47ccdee28a4d20ec5d8234d66a5b95b2f3dfd2966b3a63e38af94f9cdfcc7c2d

    • SHA512

      2ed31d1d49b02ad0e432942475bbab50a4e6c6c3c6141ce6e5b6fc0e23fe9a0bdae0e9411476b23f110373fe4539e8a8fe0bf08c8c7fd44643374b2bac97f9af

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks