General

  • Target

    327b79eb53d0e6d979de30a1e67ddf2da8c597ee0834be4be9f5588a0cb2c2be

  • Size

    494KB

  • Sample

    220521-nb6lrsgeep

  • MD5

    1b7178ac69173459924621a175c6e0ee

  • SHA1

    bfcdfda8ad6490aef746ff2b5d365bd939db4cb9

  • SHA256

    327b79eb53d0e6d979de30a1e67ddf2da8c597ee0834be4be9f5588a0cb2c2be

  • SHA512

    83ed9a8cac4453846226a6a84b06195b20c3e54a3cbfd9d0955616a356387365d4e88e19f536f554f2cd7eac10cc4915f6e9a8cc2ef398f7e699cbff4bedeeb9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    mobile.mailer@yandex.com
  • Password:
    qwerty123@

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    mobile.mailer@yandex.com
  • Password:
    qwerty123@

Targets

    • Target

      HBL-BLCOPY.EXCELL.XLs.vr.exe

    • Size

      546KB

    • MD5

      b3c3a754b3bc65c1c23f5aba0374cbc3

    • SHA1

      1dd4140e0d4575cb9ad59ee97a93ea043bec499b

    • SHA256

      7198765cf784d75d7149e2253af7938eaf1598b960e65351bc0959633f503792

    • SHA512

      301a86fb2c8a4320b1110abddb8e82956c29b8c55456000bacd4f005d346bd72686afc3fb449d13efddafc9c4667b5fa739c2b79d89c7023250d74117df2c833

    • 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

    • 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