General

  • Target

    e97c55334a2138f8c754df13d021a122_JaffaCakes118

  • Size

    390KB

  • Sample

    240918-tjd5dazcrf

  • MD5

    e97c55334a2138f8c754df13d021a122

  • SHA1

    e21d0b14039633b775798e347f10883c2cec91eb

  • SHA256

    ae6b112a7dd4802d1229d529358e4db7dc6053cdd2c5bb845a937382791fa9c1

  • SHA512

    6cefc33a3cfb451683513a833bef7ad9b070faccf4c75a6d5f0eddc79973a990fc8c1575d09c070a14061028d43ce11af12867fb349788efbcade49ad98bfc87

  • SSDEEP

    12288:IJ9+Bbjt9rp6GKTTcwz0QOiX8mES8EFpV:asjt9rbwAdiiSNj

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    server66.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    GODISGOOD0147

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server66.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    GODISGOOD0147

Targets

    • Target

      DHL&NBSP Reference ID 54787654.exe

    • Size

      773KB

    • MD5

      b81a798cf07004aac3eee709e71e0e38

    • SHA1

      68a3755e6a31c7cae9cc6b785c80a82e85b8bb20

    • SHA256

      eebb3535bc914313c2e0f55c00d50be9aa838900bb7a0a60caf3adb73eaa06af

    • SHA512

      8b8d17b26f633bda0f5a67f1f734ddf32a723ef7ffad3e937e07b11006b5d1e0a0fd55af1091cdc530a824bcd8fff87e2986d6a666b2c2d1c5029ce6c801b956

    • SSDEEP

      6144:ir2Qx/6ekUBmHLwqyuHRfuDRtn9ZxD4syUuAaLVUFNZcONtjZIbBOf4H444l:vejsLwU5Y9v6H+HHlZIbI4H444l

    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks