General

  • Target

    0ea0deca999677cda2359ab9c96fab953db2e2e3a47d7d1194b0f3c37d3f4835

  • Size

    626KB

  • Sample

    220520-2n1g6sffg3

  • MD5

    408e7eda9ba93ea8144364127a2771df

  • SHA1

    6fb732814a2e3438349d3c3680238a843a6828ff

  • SHA256

    0ea0deca999677cda2359ab9c96fab953db2e2e3a47d7d1194b0f3c37d3f4835

  • SHA512

    3bbfe2cdb0340482b6c2034d6b0a860c2296d904e1b08f8ea010b8c68758deac99e3138724ac527c1b6c371fcd9682e3c863ea60bf05a130e4bb4313721fc826

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.maihyundai.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    isla44332211

Targets

    • Target

      MV LUCKY TIFFANY.exe

    • Size

      783KB

    • MD5

      b878c3a2d2acd700fdc3275ed6557383

    • SHA1

      81b161ec5ced453eb0a7ac1d25dafb825ff67228

    • SHA256

      a9cf92e1eeda276eae412eb2236216cadcb6342d6c4e638ea337349693f633b9

    • SHA512

      11411c7494a1a71a3ad2fdaf9183bdc704801fe2a5a4207b348fbb4feabe74ce57999fbed57e771999997cb44cbb1d3c5238555b8c1eb270deb219cbbc19f271

    • 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