General

  • Target
    877eb37ea80f10570de05fb3b9b4b290.bin
  • Size 27.5MB
  • Sample240309-bjscwsba59
  • SHA256 2bad639d0a1f90525ad56b31641b3bd5fe1310079d1e6abd6bc7889cdc1ff3f5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\3R9qG8i3Z.README.txt

Ransom Note
  • ~~~ PC Locker 3.0 by Mr.Robot~~~ >>>> Your data are stolen and encrypted To get your files back you will have to pay a one-time fee of $45 in bitcoin or monero. >>>> You need contact us and decrypt one file for free on these platforms with your personal DECRYPTION ID Contact the following account on telegram @mr_robot_unlock or paste this link in your browser https://t.me/mr_robot_unlock >>>> Your personal DECRYPTION ID: 4B75BFA39AA770FC8784F3D942AC3FA6 >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom you will not receive you files NO EXCEPTIONS! >>>> Warning! Any attempt to negotiate or you don't want to pay is INSTANT BLOCK! >>>> Advertisement Would you like to earn thousands of dollars $$$ ? We sell mentorship for stealers, DDOS and ransomware. We only work with professionals and people with money DO NOT WASTE OUR TIME.
URLs
  • https://t.me/mr_robot_unlock

Extracted

Path
  • C:\3R9qG8i3Z.README.txt

Ransom Note
  • ~~~ PC Locker 3.0 by Mr.Robot~~~ >>>> Your data are stolen and encrypted To get your files back you will have to pay a one-time fee of $45 in bitcoin or monero. >>>> You need contact us and decrypt one file for free on these platforms with your personal DECRYPTION ID Contact the following account on telegram @mr_robot_unlock or paste this link in your browser https://t.me/mr_robot_unlock >>>> Your personal DECRYPTION ID: 4B75BFA39AA770FC527FFEDF8789C3A6 >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom you will not receive you files NO EXCEPTIONS! >>>> Warning! Any attempt to negotiate or you don't want to pay is INSTANT BLOCK! >>>> Advertisement Would you like to earn thousands of dollars $$$ ? We sell mentorship for stealers, DDOS and ransomware. We only work with professionals and people with money DO NOT WASTE OUR TIME.
URLs
  • https://t.me/mr_robot_unlock

Targets

    • Target
      VoiceMod-Full-Version-Setup/Voicemod_setup.exe
    • Size 146KB
    • SHA256 e3300e30997c5a355f02ca6972711b2ca843d00a393b62c75818a43c27ff128d
    • MD5 SHA1 SHA512 SSDEEP
    • Renames multiple (324) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks