General

  • Target

    978905601.msi

  • Size

    464KB

  • Sample

    200630-28j3bns2ve

  • MD5

    f2eaec2d18d76621ed844a1877dc360f

  • SHA1

    dde6b3b51bb85fcc964201b6cdb183ca9704b81c

  • SHA256

    15c7aaf96e773849126a63a0c6b567cd27825fe56ebe262098dc56c69432b531

  • SHA512

    9f37b6f8a924bb68a72c5b94cd497e9fb729878fa8239f60a7dbff11068b40fb98db487fb4111201542478e0244e1d8e17cc3a3ab03230bc486b65bf2863f712

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    baso.elcx@yandex.com
  • Password:
    HYF76io83%$6

Targets

    • Target

      978905601.msi

    • Size

      464KB

    • MD5

      f2eaec2d18d76621ed844a1877dc360f

    • SHA1

      dde6b3b51bb85fcc964201b6cdb183ca9704b81c

    • SHA256

      15c7aaf96e773849126a63a0c6b567cd27825fe56ebe262098dc56c69432b531

    • SHA512

      9f37b6f8a924bb68a72c5b94cd497e9fb729878fa8239f60a7dbff11068b40fb98db487fb4111201542478e0244e1d8e17cc3a3ab03230bc486b65bf2863f712

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks