General

  • Target

    304b4864421a6e2f8738293d33a22386.exe

  • Size

    654KB

  • Sample

    211201-j8szqadhg4

  • MD5

    304b4864421a6e2f8738293d33a22386

  • SHA1

    8544125f97197ff0cc552dade97c894d258c89d0

  • SHA256

    d9c6cc74736a6ffeb3dd869fc8db8c845d0300b6f3302c688a3b78a79f16cd13

  • SHA512

    a6f914c62a81f4689992ad04da4a9e07ed541f211224552bacdaf06a533bb2a4a30201d7ab85eee951d6d1ef0237fadaee9183dde5975b67fe35da33544fd8e3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.videoalliance.ru/
  • Port:
    21
  • Username:
    pleaseworkwell@videoalliance.ru
  • Password:
    xq0~K^xsfq08

Targets

    • Target

      304b4864421a6e2f8738293d33a22386.exe

    • Size

      654KB

    • MD5

      304b4864421a6e2f8738293d33a22386

    • SHA1

      8544125f97197ff0cc552dade97c894d258c89d0

    • SHA256

      d9c6cc74736a6ffeb3dd869fc8db8c845d0300b6f3302c688a3b78a79f16cd13

    • SHA512

      a6f914c62a81f4689992ad04da4a9e07ed541f211224552bacdaf06a533bb2a4a30201d7ab85eee951d6d1ef0237fadaee9183dde5975b67fe35da33544fd8e3

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks