General

  • Target

    Tracking No_SINI0068206497.exe

  • Size

    705KB

  • Sample

    200630-x6jb7z53ln

  • MD5

    6976fb0f4f1938ccd9bb0a8092889658

  • SHA1

    4039e72d3f28488387bb5beb92a3d00e3dbd5771

  • SHA256

    7e4e3787ea483d0e2f39bc98c7d6ea968b8943eb1b10fa655b1ce7b757aa1fe5

  • SHA512

    887ee590539adb705382f3365325f603ba9add7346343c368b1a097fadc2eca155336c5d899fbf3191c44a4edd0c5967ddfdc61c256b60a93939ef2881504f22

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    markusha.eric@yandex.com
  • Password:
    udehanyim@11

Targets

    • Target

      Tracking No_SINI0068206497.exe

    • Size

      705KB

    • MD5

      6976fb0f4f1938ccd9bb0a8092889658

    • SHA1

      4039e72d3f28488387bb5beb92a3d00e3dbd5771

    • SHA256

      7e4e3787ea483d0e2f39bc98c7d6ea968b8943eb1b10fa655b1ce7b757aa1fe5

    • SHA512

      887ee590539adb705382f3365325f603ba9add7346343c368b1a097fadc2eca155336c5d899fbf3191c44a4edd0c5967ddfdc61c256b60a93939ef2881504f22

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks