juko | 2026-09-04_7b3954a89235d740369ff42a66b1c9e0_elex_wannacry

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General

Target
2026-09-04_7b3954a89235d740369ff42a66b1c9e0_elex_wannacry
Size 88KB
Sample260905-gp615afl6z
SHA256 7ac8512f23d0a6ba6557ec2fcd01b27fedb1cd5003dfd000ad207397d361e7a7
MD5 7b3954a89235d740369ff42a66b1c9e0
SHA1 b2f9f80545160e10c9e6d5c8971ddcdcdef23578
SHA512 5ac61dfca9a6fa5b16b4fb8defd3e70b75d9495e4a57efcce45316654ad96c9ee8965a3068f7a9f363b68ab6cc3c0119f16ff8c92ed260834f089310b3511147
SSDEEP 1536:zLsF2Kerc64sTiX2IV0D7c/wGeP58ORX73iu/uwzCR3lsl5cN35fWJcedCgVjrs+:zLy2Kerc64CiGImHc/28wzCBlycJWeeJ
TLSH
T1F9933C2EA59320FCCA5BC170C6BB6732D4357C251035B63E6344FB352E70E62AB29E59
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
2026-09-04_7b3954a89235d740369ff42a66b1c9e0_elex_wannacry

File Explorer

2026-09-04_7b3954a89235d740369ff42a66b1c9e0_elex_wannacry

.exe 88KB

2026-09-04_7b3954a89235d740369ff42a66b1c9e0_elex_wannacry

IMPHASH 170193414cc4abf0ae27dc2a19d74879
SHA256 7ac8512f23d0a6ba6557ec2fcd01b27fedb1cd5003dfd000ad207397d361e7a7
MD5 7b3954a89235d740369ff42a66b1c9e0
SHA1 b2f9f80545160e10c9e6d5c8971ddcdcdef23578
SHA512 5ac61dfca9a6fa5b16b4fb8defd3e70b75d9495e4a57efcce45316654ad96c9ee8965a3068f7a9f363b68ab6cc3c0119f16ff8c92ed260834f089310b3511147
SSDEEP 1536:zLsF2Kerc64sTiX2IV0D7c/wGeP58ORX73iu/uwzCR3lsl5cN35fWJcedCgVjrs+:zLy2Kerc64CiGImHc/28wzCBlycJWeeJ
TLSH
T1F9933C2EA59320FCCA5BC170C6BB6732D4357C251035B63E6344FB352E70E62AB29E59
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