General

  • Target

    f57556dd4dcec75f8de194a7d12cef919475f0427a71838142e7325594dd461d

  • Size

    503KB

  • Sample

    220520-3j847ahae2

  • MD5

    332d35243253ce3e052dd928c3c54a8a

  • SHA1

    21a918e89bc19077c34777d93789e1d669ecd0fd

  • SHA256

    f57556dd4dcec75f8de194a7d12cef919475f0427a71838142e7325594dd461d

  • SHA512

    ee6e051bef0c3c2f7a1d7515366f52a08f65437efa33cb1f5d341c874701b43b4e19e85636f48df0886538fd961df6655402ee5765770fca47037ecd3dfd0f15

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.leffamatrizes.com.br
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    amx1020

Targets

    • Target

      New Order.exe

    • Size

      758KB

    • MD5

      c8960c307ab38ddf3f7de4e61ce804d7

    • SHA1

      0cbae88afb0016e9c2852f4e1979c7ee6e091f69

    • SHA256

      54cd74d3361f9793b8be5da7a4ec079464bc851eded6000ae4a5c2ceeaef657d

    • SHA512

      5f7d250d7b6f2726d231afb565c8d1dd7e3177cccb7e69a3f8183bd0fe441077e6624b5cc0262d07dd37d3e9241e42cb5615847ebb82f2111ed7a1fc703a17de

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

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