General

  • Target

    d1ec9ff70f511b0daab7d597fe8c402fed5b5c3ca5fd4dbc9d0f0e2f93ae1a0d

  • Size

    448KB

  • Sample

    220520-3rzwgsccep

  • MD5

    5b2b75817e51937ea77c7518789c8e04

  • SHA1

    2d2684c4e189c86556c7f1b392acbac96b6afed0

  • SHA256

    d1ec9ff70f511b0daab7d597fe8c402fed5b5c3ca5fd4dbc9d0f0e2f93ae1a0d

  • SHA512

    c72bd0b423fe4b1dd2e2595c27e2c9d9643572e75f2f03257e070b3ec4c47353f822d9dfccc4a1512b43bab31dc32c1c6d939c27b83adb69973fae631f0032b7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @jaffinmarknma@344

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @jaffinmarknma@344

Targets

    • Target

      PDF4023567.exe

    • Size

      702KB

    • MD5

      b3fd61d7dc278f59457c6250830bb4f0

    • SHA1

      fbd24d0fa9bca10177934481b39fbe02c651655a

    • SHA256

      97de6c160babaf971dcb6050553dca24d3979b994879387c2c1fee52156c02f0

    • SHA512

      446efc6570e738d1cbda85dcff906b8a738ffaa13e046978d01ec52c6f1d61eb42d566654f8b7c17556e868a7edc7ca2d8038cecb96c6111b6801f6460665909

    • 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