Overview

overview

10

Static

static

3

2016-11-21...e2.exe

windows10-2004-x64

10

2016-11-21...e2.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    101s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/07/2025, 17:21

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2016-11-21-2nd-run-EITest-Rig-standard-payload-CryptFile2.exe
  • Size 81KB
  • Sample250709-vw28ea1yes
  • SHA256 f2dbf29985a759e73c6a515422e218e6b0a1a844a327917428a1f9a1248f2320
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
cryptomixdefense_evasiondiscoveryexecutionimpactpersistenceransomware

Malware Config

Extracted

Path

  • C:\Users\# HELP_DECRYPT_YOUR_FILES #.TXT

Ransom Note
  • NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files protected by a strong encryption with RSA-2048. More information about the encryption keys using RSA-2048 can be found here: https://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-2048 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start send email now for more specific instructions! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions: Contact us by email only, send us an email along with your ID number and wait for further instructions. Our specialist will contact you within 24 hours. For you to be sure, that we can decrypt your files - you can send us a single encrypted file and we will send you back it in a decrypted form. This will be your guarantee. Please do not waste your time! You have 72 hours only! After that The Main Server will double your price! So right now You have a chance to buy your individual private SoftWare with a low price! E-MAIL1: [email protected] E-MAIL2: [email protected] YOUR_ID: 1c9b74ea4dc822d4

Signatures

  • CryptoMix

    Ransomware first seen in 2016 which has returned with new variants in 2019.

    ransomwarecryptomix
  • Cryptomix family
    cryptomix
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 46 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 1 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2016-11-21-2nd-run-EITest-Rig-standard-payload-CryptFile2.exe
    "C:\Users\Admin\AppData\Local\Temp\2016-11-21-2nd-run-EITest-Rig-standard-payload-CryptFile2.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1660
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wmic shadowcopy delete
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1648
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5200
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Z: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4560
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Y: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=X: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1136
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=W: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3696
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=V: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=U: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5156
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=T: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5796
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=S: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1560
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=R: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:6100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Q: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3248
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=P: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:392
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=O: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=N: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3520
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=M: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=L: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3704
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=K: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1260
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=J: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2156
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=I: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3060
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=H: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1040
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=G: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4108
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=F: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5864
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=E: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1444
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=D: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1476
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=C: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4724
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=B: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=A: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4384
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C net stop vss
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2696
      • C:\Windows\SysWOW64\net.exe
        net stop vss
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5080
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop vss
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4360
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} recoveryenabled No
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4984
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" bcdedit /set {default} recoveryenabled No
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3064
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5244
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" bcdedit /set bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" bcdedit /set recoveryenabled NO
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set recoveryenabled NO
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4840
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4892
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" wbadmin delete catalog -quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4932
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Documents\# HELP_DECRYPT_YOUR_FILES #.TXT
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4220
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\2016-11-21-2nd-run-EITest-Rig-standard-payload-CryptFile2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Temp\2016-11-21-2nd-run-EITest-Rig-standard-payload-CryptFile2.exe
      C:\Users\Admin\AppData\Local\Temp\2016-11-21-2nd-run-EITest-Rig-standard-payload-CryptFile2.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1524
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\ProgramData\FlashPlayerPlugin_1c9b74ea_4dc822d4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\ProgramData\FlashPlayerPlugin_1c9b74ea_4dc822d4.exe
      C:\ProgramData\FlashPlayerPlugin_1c9b74ea_4dc822d4.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2096
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1612

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        FlashPlayerPlugin_1c9b74ea_4dc822d4.exe
        • Path C:\ProgramData\FlashPlayerPlugin_1c9b74ea_4dc822d4.exe
        • Size 81KB
        • SHA256 f2dbf29985a759e73c6a515422e218e6b0a1a844a327917428a1f9a1248f2320
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        # HELP_DECRYPT_YOUR_FILES #.TXT
        • Path C:\Users\# HELP_DECRYPT_YOUR_FILES #.TXT
        • Size 3KB
        • SHA256 757a369dbdf6d2d9996e9951e5fa4b42ae0fd9c2af11c19158328d366ade5399
        • MD5 SHA1 SHA512
        Submit Download

        memory/1212-0-0x0000000002320000-0x000000000232C000-memory.dmp
        Download

        memory/1212-279-0x0000000002320000-0x000000000232C000-memory.dmp
        Download

        memory/1524-2-0x0000000000A60000-0x0000000000A6C000-memory.dmp
        Download

        memory/2096-6-0x0000000000B10000-0x0000000000B1C000-memory.dmp
        Download