General

  • Target

    256265507c2b9d72518d45efd51a2614c9819543febc513c6bf0f221bf4aae49

  • Size

    402KB

  • Sample

    220521-b2hamscha8

  • MD5

    ed57c52ee7c6dc7609e7ed4ed43478a4

  • SHA1

    e9363af62a97da5835dbd97a9544578d4423e6aa

  • SHA256

    256265507c2b9d72518d45efd51a2614c9819543febc513c6bf0f221bf4aae49

  • SHA512

    7a372a5daccf8a2bdc9e57a3ccf3d85ea8cb87133133518271a180e0ef70f9322febf03157041a977d4cb3d4242f4bfcffa62efe85f5dc1109a70b9b26d362fa

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.bodycarecreations.com
  • Port:
    587
  • Username:
    satinder@bodycarecreations.com
  • Password:
    Lion@4321

Targets

    • Target

      New Order_20201005.exe

    • Size

      485KB

    • MD5

      0833379dfc176dd9b45583ffa17f606f

    • SHA1

      db7ac59de44a73ddf72deeae7bc8d5d920a30d2f

    • SHA256

      b35aa80fb3b648476497cbbd49c772db6b9ce1d9f3419aa81b99936720584f41

    • SHA512

      2dd0f58875ef19af734dea63e1036563e8f711d62a903553116febdfae716e590186ef0f748edae9b7e002491299f49a91c0295384c67e29c54d65418f3ea6da

    • AgentTesla

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

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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

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

Email Collection

1
T1114

Tasks