General

  • Target

    db3b9bd7d52e0d20154b8e928b0864b84e938b2ca5984cb83b2e2f51b6eec06e

  • Size

    655KB

  • Sample

    220521-m4r4eadad3

  • MD5

    422921d591d28469a41687b7ba87d041

  • SHA1

    0178407ca44ba6d4143fd856b4f2b43b4f1fdde8

  • SHA256

    db3b9bd7d52e0d20154b8e928b0864b84e938b2ca5984cb83b2e2f51b6eec06e

  • SHA512

    fc3e7a530f8649b8c4f7aea8a2b8bc8265391a102434699a4591ae73d67fa67fd7c5408fa71f1c3ea07cdbad5718ae556d0f8b42c2deeb8166ab0ccce9025f48

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    osasunna@yandex.com
  • Password:
    104osayandex

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    osasunna@yandex.com
  • Password:
    104osayandex

Targets

    • Target

      osasuna.exe

    • Size

      1.0MB

    • MD5

      b6df5864fc6fa87ba731b8986ae5a352

    • SHA1

      ba0315e91c131f87c832f2210239a19e802f32b9

    • SHA256

      757f7141daf24169ff3694cdf0247b7ce0b71c66a970837a71149a69b5b6d371

    • SHA512

      341f893f68cae0254576194cbc923b09d583b304f5c9132877c489e97fffd752eb3e2436ffe33ebf96a8ea979ddd4fbc27660201c6f49ff9341e74a30ce06e5a

    • AgentTesla

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

    • AgentTesla Payload

    • 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

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks