General

  • Target

    a061525b3a2bd5c33247101b2ba5cb9b7c6dcb10f2923c4315a88d080b2b4b1c

  • Size

    635KB

  • Sample

    220520-2b89jsfag2

  • MD5

    8e6e3c1f57f107e9d56819bf99d7b70b

  • SHA1

    904d5299142cc025e02f55d1b37d23c4873e487a

  • SHA256

    a061525b3a2bd5c33247101b2ba5cb9b7c6dcb10f2923c4315a88d080b2b4b1c

  • SHA512

    fb0cfcd8eed6e9fab660d34ad8cf95dc8ad9a0fa2ac24feb4a540613409a1edde6c443d628fce58baf19547a2a42bfb8e7e3fa05c54dd8228f8064cd64c08df4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vishnucars.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Swift123#

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vishnucars.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Swift123#

Targets

    • Target

      MV. HUA SHAN.exe

    • Size

      750KB

    • MD5

      01cb8bc3d29ffd8b250929e4ff86f332

    • SHA1

      c0b95a3eafb986bd532f4723ffb93be60d8cf5a1

    • SHA256

      d4dcc5c195854c35dd8936c0ec04ce903b60153042e5e13e03ba080fbf73519e

    • SHA512

      480b8315dde715541d87d0bd1f01585471f5e19de59de062fabfcc2804a1b5bfa219c3df4ba448ebb9c9fba027059798f8a72350d31af6cc2e74972ea04206a0

    • 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