General

  • Target

    Order.exe

  • Size

    733KB

  • Sample

    201109-eql5lsypsx

  • MD5

    f98e4ca30b7509d7e58dc1f1c892bca3

  • SHA1

    ead5e654675beecf472895aaf781bea0337689ff

  • SHA256

    c1a5a50629d48e6259bd63ebc5e9d31d6b076b30edc1b3bd138e10fcc03a29c8

  • SHA512

    7a5312aa43dea2b5b167080d73c98a029a90677bce4289ea8c88d12523e113388596c7eeebde13b7d36b486997110eddeb7e7d30a2a974f8296da52b8e376742

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    onlinemonitor12@yandex.com
  • Password:
    chosen@@@123

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    onlinemonitor12@yandex.com
  • Password:
    chosen@@@123

Targets

    • Target

      Order.exe

    • Size

      733KB

    • MD5

      f98e4ca30b7509d7e58dc1f1c892bca3

    • SHA1

      ead5e654675beecf472895aaf781bea0337689ff

    • SHA256

      c1a5a50629d48e6259bd63ebc5e9d31d6b076b30edc1b3bd138e10fcc03a29c8

    • SHA512

      7a5312aa43dea2b5b167080d73c98a029a90677bce4289ea8c88d12523e113388596c7eeebde13b7d36b486997110eddeb7e7d30a2a974f8296da52b8e376742

    • 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 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

2
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

2
T1005

Tasks