General

  • Target

    0bb09694c6d22f4bc519e0d12d5216a258e769995067ddec593361c4ee30a004

  • Size

    408KB

  • Sample

    220520-3dznkabfem

  • MD5

    2af6c0b648c19a620f1276144df9416d

  • SHA1

    eea7dba23183420589f8fd72c2605e8d237a817f

  • SHA256

    0bb09694c6d22f4bc519e0d12d5216a258e769995067ddec593361c4ee30a004

  • SHA512

    883ff76124df210757a612da59081bb005e773c8aa8a3506b44b2b21f576f45265d6a8be69e91dcb3ef013e0b68dd666363577f12c8a821d708301578798065b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    drsaint1992101

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    drsaint1992101

Targets

    • Target

      MEDIFORM SA COMPANY PROFILE.exe

    • Size

      475KB

    • MD5

      e9ac5fe9b46821f9e8a12cb1385ef269

    • SHA1

      c28330817a372e939dfc292c836b60899cb1ddb4

    • SHA256

      78a7af5fd687bb9a30a9c0d303c9e4350772633d9187ff041b54fba6117f3cc7

    • SHA512

      3e205855261e591e99c406f0ecd45424f8176c7bddfc21efb5ec4e94e2d4bddbfdbbe29f1d3a6434839ca805be309df034f52d9c1d81e811298642938fd65991

    • 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