General

  • Target

    Copia de pago jpg.exe

  • Size

    1.1MB

  • Sample

    210727-mrxdtk29hj

  • MD5

    38e13fcd219f49d7cca9c8be57ac6ef0

  • SHA1

    637a26e5e069a3262511666304aa07fb3c8cba00

  • SHA256

    0ed4dcb3b64eb9b43a02b433a6232b64196bf369c3b2c50ce5342c8e9f4fdcd3

  • SHA512

    e046dd4a80d171dff6e33e2eb48425a85f42361d597549b75968ee11a9a076367ef8228958ef259d3a90dc44f40159cfe73f9778c70d5d933d2e5b55b589074e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.palletsolutions.ca
  • Port:
    587
  • Username:
    eloglogs@palletsolutions.ca
  • Password:
    h~Q+QV.(M2?!

Targets

    • Target

      Copia de pago jpg.exe

    • Size

      1.1MB

    • MD5

      38e13fcd219f49d7cca9c8be57ac6ef0

    • SHA1

      637a26e5e069a3262511666304aa07fb3c8cba00

    • SHA256

      0ed4dcb3b64eb9b43a02b433a6232b64196bf369c3b2c50ce5342c8e9f4fdcd3

    • SHA512

      e046dd4a80d171dff6e33e2eb48425a85f42361d597549b75968ee11a9a076367ef8228958ef259d3a90dc44f40159cfe73f9778c70d5d933d2e5b55b589074e

    • AgentTesla

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

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • 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

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks