General

  • Target

    699adf49daa7dbd1e4bd58f741415d68148ad899.exe

  • Size

    888KB

  • Sample

    211019-lwrl8sgean

  • MD5

    2659cfdc90835a44bdd248353adff686

  • SHA1

    699adf49daa7dbd1e4bd58f741415d68148ad899

  • SHA256

    1e3fba0ca8ada098611e59200a6f26d8c0b966f54aab1cc48991f8eb62f604eb

  • SHA512

    fdb2388131b0298fe59f529b4611ba6bb7698e89376a9e61bfc6e14580b3a9d59c74024520d7a30daf05ce04fff34dffbf064bc72bed27b58f94cfa857c076db

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ykfSLYm2bvv69WJZjZtc

Targets

    • Target

      699adf49daa7dbd1e4bd58f741415d68148ad899.exe

    • Size

      888KB

    • MD5

      2659cfdc90835a44bdd248353adff686

    • SHA1

      699adf49daa7dbd1e4bd58f741415d68148ad899

    • SHA256

      1e3fba0ca8ada098611e59200a6f26d8c0b966f54aab1cc48991f8eb62f604eb

    • SHA512

      fdb2388131b0298fe59f529b4611ba6bb7698e89376a9e61bfc6e14580b3a9d59c74024520d7a30daf05ce04fff34dffbf064bc72bed27b58f94cfa857c076db

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks