General

  • Target

    48bee329d71bec06c3a3a1b3022dc76de184ffb2c29c73f4d49957c277f0b521

  • Size

    395KB

  • Sample

    220521-nstcrseah4

  • MD5

    5744e3f37d25c3ea5dac6af3df6c4947

  • SHA1

    665231021c37eed68a5e81ee231c114e513c5cba

  • SHA256

    48bee329d71bec06c3a3a1b3022dc76de184ffb2c29c73f4d49957c277f0b521

  • SHA512

    752c816f708bf0dc115933f8cf5e8ee4861bffeafeb7ec88a026933d180fa777ecf2d24807a0b6ab7ab8ed350adc39036ef408e14551dbd541ae6340927064df

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    x.crj@yandex.com
  • Password:
    maxdan2020

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    x.crj@yandex.com
  • Password:
    maxdan2020

Targets

    • Target

      IMG_001-Seafood Details And Speification For New Order 2020.exe

    • Size

      482KB

    • MD5

      ae5e8ef9e1472a352d00cfcbd998d868

    • SHA1

      44030aee625ff89cef9cc430cce41c3e82096657

    • SHA256

      4cf54170822645d98667e90f9426d2f3b2718424ffcdba053987c019874ab504

    • SHA512

      6408209a8565c5fd7e9f4809ad98cf9e27e97a1e2b07c49139e84b7040362889c312587b51586da6112d1a266e603c30844be3090d353ca949263f26ae16865b

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

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

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks