General

  • Target

    dd78b3f1b89b375244256f710c6a1c9b1e88b64d7f988d88f48fe27bb610f124

  • Size

    493KB

  • Sample

    220520-17sq1ahhhj

  • MD5

    913f6fdb267bc5eedae64f444a0dc31a

  • SHA1

    db9ea444b41c2ee621c3a006791cdf1663757b45

  • SHA256

    dd78b3f1b89b375244256f710c6a1c9b1e88b64d7f988d88f48fe27bb610f124

  • SHA512

    e38823aadc83890a81c727e8529b95ad73c1f65d0a1042011d6308a9ef740b1a0fef123a4dff75afeecd86bbdb2575355ac9710afa606ab3f1d1c1c88b477a99

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.threewaystoharems.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sales@123456

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.threewaystoharems.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sales@123456

Targets

    • Target

      RFQ.exe

    • Size

      526KB

    • MD5

      11cf56fdc6a4d1ad12da37708109133c

    • SHA1

      245918d53b70ad2df2906dcc27284d09a6dc420c

    • SHA256

      8cc912eb69cd18bfe0f087b5861c6a9db0937a39ab6db66e08ca2caa344f7402

    • SHA512

      d4143503e44e577b08e8f5f76eb3cef33308e6d8d84c0d2221aaeb1475f6b02bd4c9eee90eb4c5436edfdc9f16df77164ab67ed02f99f028be720c00a1f6253f

    • 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