General

  • Target

    4e7eec05176fb9f3542905ba6ec354d59f41866ea0ee3557d3f83039756f8a18

  • Size

    887KB

  • Sample

    220521-n8e53saaap

  • MD5

    27aed45941ffbd600f34f40af42ec92f

  • SHA1

    13516d82057145c8fdc14f73343ac842af7b5132

  • SHA256

    4e7eec05176fb9f3542905ba6ec354d59f41866ea0ee3557d3f83039756f8a18

  • SHA512

    7d34b75bbd3ec4bd2afab189b42e2c5115e422d7c6b3271d04e795ae85044825a5ad90f5ade2a53b25e69a78c5c943a8a56219f14c92d19e1964c5d0743000b5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.radarcncs.com/
  • Port:
    21
  • Username:
    admin@radarcncs.com
  • Password:
    8,4=M~_i,5NV

  • Protocol:
    ftp
  • Host:
    ftp://ftp.radarcncs.com/
  • Port:
    21
  • Username:
    admin@radarcncs.com
  • Password:
    8,4=M~_i,5NV

Targets

    • Target

      PO3142020.exe

    • Size

      919KB

    • MD5

      4b846a96f8f355ac9b9314265b5dbbea

    • SHA1

      44825a48d60b3dff26e0c2d12b26491830d58de0

    • SHA256

      7992c7a13287cca6f8528dcd6ee08e95367634aeb1dae73f3e194afbf1fe98a9

    • SHA512

      26e7c84ff854a678b97d8aa8966ef9183b0d2355b786c2aa10600825c0498f77f5028031e0ed8973591ec85dbbb69ec86a71e6dc8c744c21281e7bedc5ea630d

    • 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