Static task
static1
Behavioral task
behavioral1
Sample
台电U盘加密.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
台电U盘加密.exe
Resource
win10v2004-20230915-en
General
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Target
台电U盘加密.exe.zip
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Size
1.4MB
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MD5
0384da24de823f857ed01a75df7500b7
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SHA1
b8068ab65be141ce7992a6ca9d2691b3a035b69c
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SHA256
e419688eb608c0bef044cf095dc258a1892bcf58a46795dcce69200630b5e303
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SHA512
178fa7fdd36cddd7fa6416c0b077e460b1236531230c5d1bfa3c51038b0f9883caff88454e092c6e2645825c1c610640a9287370515865ad8ad406669aa8de38
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SSDEEP
24576:UmNHHS/dJKbQ9ZIl97s7oeKfv/aZXSXh1nPWpSOP4L1/zEyxhjffzLJAa/F62+W+:U8qe/47obfv/5XnA4L1EG9zLCx2uKf1i
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/台电U盘加密.exe
Files
-
台电U盘加密.exe.zip.zip
Password: infected
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台电U盘加密.exe.exe windows:5 windows x86
f534fc7dd6f23b6e54d82af3817f28b9
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
OpenMutexW
CreateFileW
GetFileSize
ReadFile
CloseHandle
GetModuleHandleW
FindResourceW
LoadResource
LockResource
SizeofResource
FreeResource
SetFilePointer
SetEndOfFile
WriteFile
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetTempPathW
GetModuleFileNameW
Sleep
GetEnvironmentVariableW
HeapReAlloc
RtlUnwind
LoadLibraryW
GetStringTypeW
MultiByteToWideChar
GetCommandLineW
HeapSetInformation
GetStartupInfoW
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
EncodePointer
DecodePointer
HeapAlloc
RaiseException
GetLastError
HeapFree
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetLastError
GetCurrentThreadId
GetProcAddress
ExitProcess
GetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
DeleteCriticalSection
HeapCreate
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
HeapSize
LeaveCriticalSection
EnterCriticalSection
WideCharToMultiByte
LCMapStringW
IsProcessorFeaturePresent
user32
wsprintfW
GetLastActivePopup
ShowWindow
IsIconic
GetPropW
GetDesktopWindow
GetWindow
SetForegroundWindow
shell32
ShellExecuteW
shlwapi
PathFileExistsW
Sections
.text Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4.0MB - Virtual size: 4.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 14KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ