General

  • Target

    97f9205241b9f9dea507c5d5955b6a081f40cac17331b0306e281268fa0322af

  • Size

    531KB

  • Sample

    220521-cymxdshgdn

  • MD5

    2e3ebe724b119745254e88017a8f75fd

  • SHA1

    6ba560f4f9b3dfa8de124a9fa17d0c9e4c118de6

  • SHA256

    97f9205241b9f9dea507c5d5955b6a081f40cac17331b0306e281268fa0322af

  • SHA512

    cc3738f556f1853fa7c5e4f870ef6f89acb04b1f952739f2677b766bd9d90df47a3d8d28f8f6a9c115d51f1784eb2d6c43b9818076a962584b72b9e674500ebd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.rezuit.pro
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chukwuma22

Targets

    • Target

      Shipping Documents.exe

    • Size

      840KB

    • MD5

      44960ebf188e49667e50b9c91d74f36b

    • SHA1

      cc1a0a24d5ea507bb499631ecda54556b896b332

    • SHA256

      eed899d24d21a18eedea77f8f2860b70aa843e3f3757e8c53105f6eadd655d41

    • SHA512

      c84933a16df55262ad959fa0c1ce65c2fb670e9522cbc158fcfc714dccbb18dcbc85879913081159dad356f2ecceed88c25bee3191e78d51e8b06910e9ab8667

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks