Resubmissions

18-05-2022 00:35

220518-axmh5abbc9 10

18-05-2022 00:32

220518-avncmsbbb7 10

General

  • Target

    YourCyanide.cmd

  • Size

    90KB

  • Sample

    220518-avncmsbbb7

  • MD5

    4cb725f17bec289507f9e8249c8ea80e

  • SHA1

    a7034e84cb884bf90e61ce3b621424bec57334ae

  • SHA256

    1f3e3ed8e708fc98bddddca71de7b9e21c6d2a4b2bf019c260e0b707140f9f62

  • SHA512

    776982eab99b1285c209b71e2fd39e2765e9ce392a6c310208e72157dab3895b0b5a7c8b63d72e69bc507c88faec90a2f8f57788873f1a617a2659e22d2b7288

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\YcynNote.txt

Ransom Note
Q: What happened to my files? A: Oops your files have been encrypted by YourCyanide. Q: how can I get them back? A: You can get them back by paying $500 in bitcoin to this btc wallet bc1qrl532s9r2qge8d8p7qlrq57dc4uhssqjexmlwf. Q: What happens if I dont pay A: You will never get your files back. Q: How can I contact you A: contact at yourcyanide.help@gmail.com ++++++++++++++++++++++++++++++++++++++++++++ 3805 Files have been encrypted
Emails

yourcyanide.help@gmail.com

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://cdn.discordapp.com/attachments/971160786015772724/971191444410875914/GetToken.exe

Extracted

Path

C:\Users\Admin\Desktop\YcynNote.txt

Ransom Note
Q: What happened to my files? A: Oops your files have been encrypted by YourCyanide. Q: how can I get them back? A: You can get them back by paying $500 in bitcoin to this btc wallet bc1qrl532s9r2qge8d8p7qlrq57dc4uhssqjexmlwf. Q: What happens if I dont pay A: You will never get your files back. Q: How can I contact you A: contact at yourcyanide.help@gmail.com ++++++++++++++++++++++++++++++++++++++++++++ 3397 Files have been encrypted
Emails

yourcyanide.help@gmail.com

Targets

    • Target

      YourCyanide.cmd

    • Size

      90KB

    • MD5

      4cb725f17bec289507f9e8249c8ea80e

    • SHA1

      a7034e84cb884bf90e61ce3b621424bec57334ae

    • SHA256

      1f3e3ed8e708fc98bddddca71de7b9e21c6d2a4b2bf019c260e0b707140f9f62

    • SHA512

      776982eab99b1285c209b71e2fd39e2765e9ce392a6c310208e72157dab3895b0b5a7c8b63d72e69bc507c88faec90a2f8f57788873f1a617a2659e22d2b7288

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix

Tasks