Emotet detection tool for Windows OS.

1. Download EmoCheck from the Releases page.
2. Run EmoCheck on the host.
3. Check the exported report.

Please download from the Releases page.

Latest hash:

emocheck_v1.0_x86.exe MD5 : 00f7612ff7e571115638206dd5b32f2c SHA256: 544b6eb3bc04e9015ae7b4078e20a33a28c35370fb9e2c498d65e072c4c81bf3

emocheck_v1.0_x64.exe MD5 : 59ecb58b11c6df9324043fe4d2caf210 SHA256: cb80892758754d12af2148bcffc32eae0daa02c4815415b394aff2d79e0b761b

(since v0.0.2)

• Specify output directory for the report (default: current directory)
  • /output [your output directory] or -output [your output directory]
• No console output
  • /quiet or -quiet
• Export the report in JSON style
  • /json or -json
• Debug mode (no report)
  • /debug or -debug
• Show help
  • /help or -help

(v0.0.1)
Emotet generates their process name from a specific word dictionary and C drive serial number. EmoCheck scans the running process on the host, and find Emotet process from their process name.

(added in v0.0.2)
Emotet keeps their encoded process name in a specific registry key. EmoCheck looks up and decode the registry value, and find it from the process list. Code Signing with Microsoft Authenticode.

(added in v1.0)
Support the April 2020 updated of Emotet.
Obfuscated code.

Text stlye:

[Emocheck v0.0.2]
Scan time: 2020-02-10 13:06:20
____________________________________________________

[Result]
Detected Emotet process.

[Emotet Process]
     Process Name  : mstask.exe
     Process ID    : 716
     Image Path    : C:\Users\[username]\AppData\Local\mstask.exe
____________________________________________________

Please remove or isolate the suspicious execution file.

JSON style (added in v0.0.2):

{
  "scan_time":"2020-02-10 13:06:20",
  "hostname":"[your hostname]",
  "emocheck_version":"0.0.2",
  "is_infected":"yes",
  "emotet_processes":[
    {
       "process_name":"mstask.exe",
       "process_id":"716",
       "image_path":"C:\\Users\\[username]\\AppData\\Local\\mstask.exe"
    }
  ]
}

The report will be exported to the following path.

(v0.0.1)
[current directory]\yyyymmddhhmmss_emocheck.txt

(since v0.0.2)
[output path]\[computer name]_yyyymmddhhmmss_emocheck.txt
[output path]\[computer name]_yyyymmddhhmmss_emocheck.json

(v0.0.1)

• (Feb. 3, 2020) v0.0.1
  • Initial release
• (Feb. 10, 2020) v0.0.2
  • update detecting method
  • add options
• (Aug. 11, 2020) v1.0.0
  • update detecting method

• Windows 10 1809 64bit Japanese Edition
• Windows 8.1 64bit Japanese Edition
• Windows 7 SP1 32bit Japanese Edition
• Windows 7 SP1 64bit Japanese Edition

Windows 7 does not support UTF-8 output in the Command Prompt.

• Windows 10 1809 64bit Japanese Edition
• Microsoft Visual Studio Community 2017

Not published from v1.0.