General

  • Target

    beee421f170be70ca4efd8b81940e18b

  • Size

    701KB

  • Sample

    240310-slp4zsfb42

  • MD5

    beee421f170be70ca4efd8b81940e18b

  • SHA1

    a124ee2194c9970275f2454899a5025f2887d9ad

  • SHA256

    407a175b3d9735477868deec5907b8e9703abcd76799529d9e2354bdddde550b

  • SHA512

    24e06abbf300b6da57e9617da07a89a404696cc6f97213d2c503ce2c90d49cc8186e2c8dfc49b9fc6172a69675b00ab298a34617bc1ae821af0a3854fe315893

  • SSDEEP

    12288:384PU9vPU9Cv2pzKuAcOsBgo0q4wMLxogW1No7SEwWQK8U8URpje0n4UO856uxEh:38AAcOsBgo0q4wMbW1AwTG8Uj4Kkbrh4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    PbQ)ubh9

Targets

    • Target

      beee421f170be70ca4efd8b81940e18b

    • Size

      701KB

    • MD5

      beee421f170be70ca4efd8b81940e18b

    • SHA1

      a124ee2194c9970275f2454899a5025f2887d9ad

    • SHA256

      407a175b3d9735477868deec5907b8e9703abcd76799529d9e2354bdddde550b

    • SHA512

      24e06abbf300b6da57e9617da07a89a404696cc6f97213d2c503ce2c90d49cc8186e2c8dfc49b9fc6172a69675b00ab298a34617bc1ae821af0a3854fe315893

    • SSDEEP

      12288:384PU9vPU9Cv2pzKuAcOsBgo0q4wMLxogW1No7SEwWQK8U8URpje0n4UO856uxEh:38AAcOsBgo0q4wMbW1AwTG8Uj4Kkbrh4

    • AgentTesla

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

    • AgentTesla payload

    • CustAttr .NET packer

      Detects CustAttr .NET packer in memory.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 Enterprise v15

Tasks