juko | 2026-10-01_a93de2f84ddfe8a417109568bfb16892_elex_wannacry

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General

Target
2026-10-01_a93de2f84ddfe8a417109568bfb16892_elex_wannacry
Size 67KB
Sample261002-ham55svyev
SHA256 726ebe43f37009496bbcadb56addc3800b5e58037395f3fdc821d5030e83c031
MD5 a93de2f84ddfe8a417109568bfb16892
SHA1 73175d19fde4104fbd0f1e3c78f4acc8be59f6af
SHA512 143813ee41b290e5c7146df7572ba06269f9f4dbb948663d6a33b32528bfc2a0fbfa10d7d8f790ec8f501ad756e21f73acad12f47b7d9e11a0632738afef6ad1
SSDEEP 1536:aLsF2Kerc64sTiX2IV0DVyIGFoyyCwlAY0VdTQJ:aLy2Kerc64CiGImRylFyp8TS
TLSH
T1BB633B16B950B032D99211B46A6D6B36817A9DF10707A0D3F7407ADD28F2BD2EF346CE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

trojan juko

Malware Config

Signatures

Family: Juko
Juko is a trojan written in C++.
trojan juko

Detects Juko 1 IoCs

resource	yara_rule
sample	family_juko

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-10-01_a93de2f84ddfe8a417109568bfb16892_elex_wannacry

File Explorer

2026-10-01_a93de2f84ddfe8a417109568bfb16892_elex_wannacry

.exe 67KB

2026-10-01_a93de2f84ddfe8a417109568bfb16892_elex_wannacry

IMPHASH 170193414cc4abf0ae27dc2a19d74879
SHA256 726ebe43f37009496bbcadb56addc3800b5e58037395f3fdc821d5030e83c031
MD5 a93de2f84ddfe8a417109568bfb16892
SHA1 73175d19fde4104fbd0f1e3c78f4acc8be59f6af
SHA512 143813ee41b290e5c7146df7572ba06269f9f4dbb948663d6a33b32528bfc2a0fbfa10d7d8f790ec8f501ad756e21f73acad12f47b7d9e11a0632738afef6ad1
SSDEEP 1536:aLsF2Kerc64sTiX2IV0DVyIGFoyyCwlAY0VdTQJ:aLy2Kerc64CiGImRylFyp8TS
TLSH
T1BB633B16B950B032D99211B46A6D6B36817A9DF10707A0D3F7407ADD28F2BD2EF346CE
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Detects Juko
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

23330

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

CreateDirectoryW MoveFileW ReadFile SetFilePointer CreateFileW WriteFile GetDriveTypeW GetSystemDirectoryW GetProcAddress GetModuleHandleW GetSystemDefaultLangID GetTickCount GetCurrentProcessId GetComputerNameW FreeLibrary LoadLibraryW GetVersionExW GetCurrentProcess OpenProcess GetVolumeInformationA Process32NextW TerminateProcess Process32FirstW CreateProcessW lstrlenW SetFileTime GetFileSize DeleteFileW Sleep WinExec GetModuleFileNameA MultiByteToWideChar PeekNamedPipe GetStartupInfoW CreatePipe WaitForSingleObject CreateThread RemoveDirectoryW GetTempPathW ExitProcess SetStdHandle DuplicateHandle WideCharToMultiByte SetLastError LoadLibraryA GetModuleHandleA CloseHandle GetModuleFileNameW SetErrorMode FindClose GetLogicalDriveStringsW GetVolumeInformationW GetDiskFreeSpaceExW FindFirstFileW FindNextFileW GetLastError CreateToolhelp32Snapshot GetStartupInfoA

user32

ExitWindowsEx

advapi32

GetTokenInformation RegDeleteValueW RegSetValueExW RegCloseKey LookupPrivilegeValueW AdjustTokenPrivileges OpenProcessToken LookupAccountSidW GetUserNameW RegOpenKeyW

shell32

SHFileOperationW

psapi

EnumProcessModules GetModuleFileNameExW

msvcrt

_controlfp __set_app_type __p__fmode swprintf wcslen wcscpy memset memcpy ??2@YAPAXI@Z wcscmp __CxxFrameHandler _EH_prolog wcscat wcsrchr _wcsnicmp _except_handler3 _wcslwr sprintf strcpy strcmp rand srand strlen time atoi free _stricmp _exit _XcptFilter exit _acmdln __getmainargs _initterm __setusermatherr _adjust_fdiv __p__commode

shlwapi

PathFindFileNameW PathFileExistsW