General

  • Target

    New Order.exe

  • Size

    28.0MB

  • Sample

    210228-xk5we4slwj

  • MD5

    d859dc1d6f145a2050a732252e73d67b

  • SHA1

    80d8deefff44d875eb1316ca626ff4f04b3f81a4

  • SHA256

    29e693d380711cfa8963064981c8adec2dfbc58c5b51602c3906a64f70ad6a8b

  • SHA512

    87e523e314ded5b741b824000d01f3d45abf7820ffafad159f7f3dc3aa2a57cb81d5ac1b17c8ce7f4a9ed5834df98181bfacb89033b2a9782f68b507ffcb4877

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    amylogs@yandex.com
  • Password:
    COKOeve8899

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    amylogs@yandex.com
  • Password:
    COKOeve8899

Targets

    • Target

      New Order.exe

    • Size

      28.0MB

    • MD5

      d859dc1d6f145a2050a732252e73d67b

    • SHA1

      80d8deefff44d875eb1316ca626ff4f04b3f81a4

    • SHA256

      29e693d380711cfa8963064981c8adec2dfbc58c5b51602c3906a64f70ad6a8b

    • SHA512

      87e523e314ded5b741b824000d01f3d45abf7820ffafad159f7f3dc3aa2a57cb81d5ac1b17c8ce7f4a9ed5834df98181bfacb89033b2a9782f68b507ffcb4877

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks