General

  • Target

    608084b2ea7f4924d400a9e199db1a894fa0935a4828cfa6d3eb8ac93a2a376f

  • Size

    775KB

  • Sample

    220701-dwyrjshhhr

  • MD5

    7f4df8a2ce1ae2c87509a7554a8a2312

  • SHA1

    144f7be59e7d0ab494fe7b034cd263f32c332db4

  • SHA256

    608084b2ea7f4924d400a9e199db1a894fa0935a4828cfa6d3eb8ac93a2a376f

  • SHA512

    42bdd96d520ce3647481cce844240d26e8d07d504946540ffda93dbfe95e22bcf65601e45b424cb0eaa2197d1bc8ad29c91bc97fb5884f0651df528c53878c17

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vitiren.website
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    R_(^!h,UT{s5

Targets

    • Target

      608084b2ea7f4924d400a9e199db1a894fa0935a4828cfa6d3eb8ac93a2a376f

    • Size

      775KB

    • MD5

      7f4df8a2ce1ae2c87509a7554a8a2312

    • SHA1

      144f7be59e7d0ab494fe7b034cd263f32c332db4

    • SHA256

      608084b2ea7f4924d400a9e199db1a894fa0935a4828cfa6d3eb8ac93a2a376f

    • SHA512

      42bdd96d520ce3647481cce844240d26e8d07d504946540ffda93dbfe95e22bcf65601e45b424cb0eaa2197d1bc8ad29c91bc97fb5884f0651df528c53878c17

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Drops startup file

    • 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.

    • 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