General

  • Target

    bc503b2bc541554cfe513158e918113b18a3658f798015f1b4821c1a2f2367a1

  • Size

    288KB

  • Sample

    220521-ndgenagfck

  • MD5

    9725323c38abe64fae81f866908dbb28

  • SHA1

    1f3d20ead993692472e6291beb8b8401a4c5fc6d

  • SHA256

    bc503b2bc541554cfe513158e918113b18a3658f798015f1b4821c1a2f2367a1

  • SHA512

    6172eb9463045ad5d651e7646a0d3b6b9f5cc85230357e5f38b74cef66b117d270df963e90eafa206448a208b274091dc73d258eadab61d4da35c22eccea8a89

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    mina123asd@yandex.com
  • Password:
    alibaba123

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    mina123asd@yandex.com
  • Password:
    alibaba123

Targets

    • Target

      Template-OWP.exe

    • Size

      580KB

    • MD5

      9c7a32cea6f17e7da4787d225607673f

    • SHA1

      f672e3999c1ef6b78ac655ef8c5a236bcfc62947

    • SHA256

      53ee5b68eda4b568f3926e3a998d9cbdca156bbfd74ae4add5bc08f8f72f372e

    • SHA512

      74ff096f9862f967e83b965f04bb5a9bfd9e3ec77d58ea740b770f989a913861b301039ec4f5ead5deb78049246ff751edad3345ead7be8e4718f9b63fe52b18

    • AgentTesla

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

    • AgentTesla Payload

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

    • 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

Email Collection

1
T1114

Tasks