juko | 2026-10-26_53ab969c37e34a5380a97760523e3c30_elex_wannacry

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General

Target
2026-10-26_53ab969c37e34a5380a97760523e3c30_elex_wannacry
Size 88KB
Sample261027-vxj38aeb46
SHA256 56c717dca9602a14213b612df9b725c8e79bcee5d0f4493899b5d89779ab6ec3
MD5 53ab969c37e34a5380a97760523e3c30
SHA1 5a9ca9c989dd35a7289b16ee93b8bc549da6c418
SHA512 3a8ef9bf1da7c811ee66e61ff2c7736112460f41bb2fcde6c71c59e76e46f9f44c671e2302a9fa702ce82559bdcb5348110ed8310e99d0349dff98c3ede01470
SSDEEP 1536:sLsF2Kerc64sTiX2IV0DgsowGeP58ORX73iu/uwzCR3lsl5cN35fWJcedCgVjrsw:sLy2Kerc64CiGIm8so28wzCBlycJWeeP
TLSH
T17B934B2EA5A220FCCA57C170C6BB6B32D4357C251035B63E6344FF352E70E62A729E59
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
2026-10-26_53ab969c37e34a5380a97760523e3c30_elex_wannacry

File Explorer

2026-10-26_53ab969c37e34a5380a97760523e3c30_elex_wannacry

.exe 88KB

2026-10-26_53ab969c37e34a5380a97760523e3c30_elex_wannacry

IMPHASH 170193414cc4abf0ae27dc2a19d74879
SHA256 56c717dca9602a14213b612df9b725c8e79bcee5d0f4493899b5d89779ab6ec3
MD5 53ab969c37e34a5380a97760523e3c30
SHA1 5a9ca9c989dd35a7289b16ee93b8bc549da6c418
SHA512 3a8ef9bf1da7c811ee66e61ff2c7736112460f41bb2fcde6c71c59e76e46f9f44c671e2302a9fa702ce82559bdcb5348110ed8310e99d0349dff98c3ede01470
SSDEEP 1536:sLsF2Kerc64sTiX2IV0DgsowGeP58ORX73iu/uwzCR3lsl5cN35fWJcedCgVjrsw:sLy2Kerc64CiGIm8so28wzCBlycJWeeP
TLSH
T17B934B2EA5A220FCCA57C170C6BB6B32D4357C251035B63E6344FF352E70E62A729E59
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