General

  • Target

    93f1feffe4a797163f55f1caca45182a

  • Size

    777KB

  • Sample

    210727-4hsshfmvs2

  • MD5

    93f1feffe4a797163f55f1caca45182a

  • SHA1

    6cfbf536209e0c0256479785fec1ced9b2f77a11

  • SHA256

    4afaa463a048f9c89866a9c7154bf4a9d20ed849cdf6a8c0cf4b0b8b105d8e3a

  • SHA512

    3302bb5e03c8c87e3539dad5ae5b20bf240d5a379e3c62b14a6a6afd9dcbb0bc079b629349cd05d4e1c9931e70f475ee1c094f59b8a014765cef72fe7f33e7a4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.badonfashoin.com/
  • Port:
    21
  • Username:
    logs@badonfashoin.com
  • Password:
    sKsYZiIYQn6y

Targets

    • Target

      93f1feffe4a797163f55f1caca45182a

    • Size

      777KB

    • MD5

      93f1feffe4a797163f55f1caca45182a

    • SHA1

      6cfbf536209e0c0256479785fec1ced9b2f77a11

    • SHA256

      4afaa463a048f9c89866a9c7154bf4a9d20ed849cdf6a8c0cf4b0b8b105d8e3a

    • SHA512

      3302bb5e03c8c87e3539dad5ae5b20bf240d5a379e3c62b14a6a6afd9dcbb0bc079b629349cd05d4e1c9931e70f475ee1c094f59b8a014765cef72fe7f33e7a4

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks