Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/10/2026, 23:03

General

  • Target
    2026-10-04_ea5619554931e58810d1fe29f619cd10_coinminer_elex_wannacry.exe
  • Size 2.0MB
  • Sample261004-213s3asy4j
  • SHA256 8613ee594c165077000a0ed83028ba3770f665de913739e4d48072fe4be647d8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 64 IoCs
  • Direct Volume Access: Opens a physical disk for reading 1 TTPs 1 IoCs

    Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 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 9 IoCs

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

  • Modifies registry class 58 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-04_ea5619554931e58810d1fe29f619cd10_coinminer_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-04_ea5619554931e58810d1fe29f619cd10_coinminer_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Users\Admin\AppData\Local\Temp\ZAR80\zar_load.exe
      "C:\Users\Admin\AppData\Local\Temp\ZAR80\zar_load.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\240722203.bat
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5660
        • C:\Windows\SysWOW64\reg.exe
          REG EXPORT "HKLM\SOFTWARE\Licenses" zar_reg_old.reg
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4624
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Licenses /f /v {K7C0DB872A3F777C0} /t REG_BINARY /d 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2724
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Licenses /f /v {I0D92C317D221A39C} /t REG_BINARY /d 34000000
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2584
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Licenses /f /v {00D92C317D221A39C} /t REG_BINARY /d 5b3e860fef81a3b4713661aa0b837a93e90aa751ed8137e79fcaa0ab182023e8dd6351587339000bd9f1ceb2c1e7dc28cb86657f0031f642dc1d458b8122a73b2df22f7f15b3d12fa41f13ae5456768d3f09eba9e1ba48d58b7997392e97404344ace8c014085d9f26f18a6f08a8ca77ea079ec37062a8e43282e635b8cef8e582674fd63031cac154c2bb9702e03fc8c342eadb2a98d55202c71b9af55bdc477781a8344e70207acc84264ac083b841f2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:5536
        • C:\Users\Admin\AppData\Local\Temp\ZAR80\zar.exe
          zar.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2992
          • C:\Users\Admin\AppData\Local\Temp\ZAR80\zar.exe
            zar.exe
            5⤵
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Loads dropped DLL
            • Direct Volume Access: Opens a physical disk for reading
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:3508

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        240722203.bat

        • Path C:\Users\Admin\AppData\Local\Temp\240722203.bat
        • Size 1KB
        • SHA256 f9997bba628f790ac736b22f0792043b70070d70de800b61102ccb9aafb6c2a5
        • MD5 SHA1 SHA512 TLSH

        zar logfile.txt

        • Path C:\Users\Admin\AppData\Local\Temp\ZAR80\zar logfile.txt
        • Size 134B
        • SHA256 47b615488f009e30b180f0fc0189702e1de8cef1ffcdb93eb796f120c7a83ce9
        • MD5 SHA1 SHA512 TLSH

        zar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ZAR80\zar.exe
        • Size 1.4MB
        • SHA256 2decca9d03a54e9b0bdc06c385585da6939ac690d1af2d1050ee07b3d125fb71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zar.lng

        • Path C:\Users\Admin\AppData\Local\Temp\ZAR80\zar.lng
        • Size 153KB
        • SHA256 a92a9f06c4ed2168181d1ad69f5108ec8c4f051c3b6841f34824c73c9dad86fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zar_load.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ZAR80\zar_load.exe
        • Size 9KB
        • SHA256 e8e087ea55bedc610ab74eb67f711b1fb49bb39c6e190c1620d45f51ddd10271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zlib1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ZAR80\zlib1.dll
        • Size 54KB
        • SHA256 8aaf9e851021d1afab9e2b93c9e796d37dd31c114a76476e6c00bd8931ee9446
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2992-66-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/2992-28-0x00000000005CD000-0x00000000005CE000-memory.dmp

        memory/2992-27-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/2992-57-0x00000000005CD000-0x00000000005CE000-memory.dmp

        memory/3508-60-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-62-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-42-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-41-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-31-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-56-0x0000000002600000-0x0000000002666000-memory.dmp

        memory/3508-32-0x0000000002600000-0x0000000002666000-memory.dmp

        memory/3508-58-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-59-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-37-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-61-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-43-0x0000000002600000-0x0000000002666000-memory.dmp

        memory/3508-63-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-65-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-38-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-67-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-68-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-69-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-70-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-71-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-72-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-73-0x0000000000400000-0x0000000000722000-memory.dmp

        memory/3508-74-0x0000000000400000-0x0000000000722000-memory.dmp