Overview

overview

10

Static

static

68c11bb875...18.exe

windows7_x64

10

68c11bb875...18.exe

windows10-2004_x64

1

Analysis

  • max time kernel
    178s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    20-02-2022 06:19

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General

  • Target

    68c11bb87583954ebfaa576a49ff91344e011c2717686f152442b0036a69d218.exe

  • Size

    126KB

  • MD5

    3266352bea7513ac3ead6e7d68661ad3

  • SHA1

    2c8ea348cc80ed41737d3d2d8cb5487dcd49d040

  • SHA256

    68c11bb87583954ebfaa576a49ff91344e011c2717686f152442b0036a69d218

  • SHA512

    e0a1676a5426c6fe156e9c382d54dadefe7824485a3cade62ebe8000a36292ff14382e818dcf640b9f0784f6ec2785c643d9a3ac7ca562992b6e6f947b458f42

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note
Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation. More than a year ago, world experts recognized the impossibility of deciphering by any means except the original decoder. No decryption software is available in the public. Antiviruse companies, researchers, IT specialists, and no other persons cant help you encrypt the data. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions.Send 2 different random files and you will get it decrypted. It can be from different computers on your network to be sure that one key decrypts everything. 2 files we unlock for free To get info (decrypt your files) contact us at [email protected] or [email protected] You will receive btc address for payment in the reply letter Ryuk No system is safe

Signatures

  • Ryuk

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

    ransomwareryuk
  • Drops desktop.ini file(s) 62 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68c11bb87583954ebfaa576a49ff91344e011c2717686f152442b0036a69d218.exe
    "C:\Users\Admin\AppData\Local\Temp\68c11bb87583954ebfaa576a49ff91344e011c2717686f152442b0036a69d218.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1496
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1248
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1180
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
      • Drops desktop.ini file(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:1120

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1120-54-0x000000013FA80000-0x000000013FE02000-memory.dmp

      Filesize

      3.5MB

      Download

    • memory/1120-55-0x000000013FA80000-0x000000013FE02000-memory.dmp

      Filesize

      3.5MB

      Download