General

  • Target

    7cbef094aae68414fdd873332597340be798f187d1c33c10df9598c8d5197dcb

  • Size

    419KB

  • Sample

    220521-akhpeadcdm

  • MD5

    4679642eed17c96afca5015c41505088

  • SHA1

    8c39bd50b2ce79c4c62868c494bb21473347c91f

  • SHA256

    7cbef094aae68414fdd873332597340be798f187d1c33c10df9598c8d5197dcb

  • SHA512

    bbbe1717bfeae8c00dd6225f89f9913b607894d3eda740bc397871475e115420193118ed4708348f6e43fc793b4e0e9130e6b99bec05f87b6ee7be4acb07f8f8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ckali231

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ckali231

Targets

    • Target

      Urgent RFQ -MR-002.exe

    • Size

      748KB

    • MD5

      296358935c929c2eec83a1d45bcdf7fc

    • SHA1

      2a13120aac47dda49a3b1721503bb8cd261cfd89

    • SHA256

      fa6093150da69da8d7e10fc94dbff851ea8c56ae75b0ee9122cfd0f03bad07b3

    • SHA512

      4dad91002128d9daec15db6110f3cb38d20875fc8e4f3e455c5bb845f89cec2876970ba2bb8f4b13d58fb87c90aa60fab7d798eeb2105ea8de35128136a4a38d

    • 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.

    • 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