Static task
static1
Behavioral task
behavioral1
Sample
b41ff27a93c7e6_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
b41ff27a93c7e6_JC.exe
Resource
win10v2004-20230703-en
General
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Target
b41ff27a93c7e6_JC.exe
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Size
486KB
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MD5
b41ff27a93c7e6b871c1de28dc368e3b
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SHA1
774d32ffaa28f401b403cb2be30d908b3c26dc93
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SHA256
a7f78cb22b68f0c8d68b13a329de2741bf997a4d28adfe59d6ca19c0dcb751fd
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SHA512
6c5cef377a92247f68ee40d5362427d8e24b36e77461bb33ca1b2c4ea3780a0f42705f4a3c02a69a655f7a969e4acdac0cc6892e1ad20d0e2e9c7a7e16bd546c
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SSDEEP
12288:/U5rCOTeiDoAWNE2CHn/JfZ2FXL5YH0c2TgOyNZ:/UQOJD1Wy2i/UXL5YUbTWN
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b41ff27a93c7e6_JC.exe
Files
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b41ff27a93c7e6_JC.exe.exe windows x86
6dca3e9fb3928bbdb54dbce669943ec8
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
GetModuleHandleW
GetComputerNameW
GetLocalTime
SystemTimeToFileTime
FileTimeToSystemTime
SizeofResource
LockResource
LoadResource
FindResourceW
FindResourceExW
MultiByteToWideChar
GetProcAddress
LoadLibraryW
GetCurrentProcess
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
GetLastError
CloseHandle
WideCharToMultiByte
MoveFileW
DeleteFileW
CreateDirectoryW
SetFileAttributesW
GetTempPathW
GetTempFileNameW
MoveFileExW
lstrlenW
CreateFileW
GetFileSize
ReadFile
WriteFile
Sleep
GetComputerNameA
GetModuleFileNameW
CreateProcessW
GetSystemTime
FileTimeToLocalFileTime
RaiseException
InitializeCriticalSectionAndSpinCount
HeapDestroy
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
LocalAlloc
SetEndOfFile
SetStdHandle
WriteConsoleW
FreeLibrary
LoadLibraryA
InterlockedIncrement
InterlockedDecrement
InterlockedExchange
EncodePointer
DecodePointer
GetCommandLineW
HeapSetInformation
GetStartupInfoW
GetCurrentThreadId
RtlUnwind
LCMapStringW
GetCPInfo
SetUnhandledExceptionFilter
ExitProcess
GetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
GetFileType
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetLastError
HeapCreate
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
TerminateProcess
UnhandledExceptionFilter
IsDebuggerPresent
IsProcessorFeaturePresent
GetConsoleCP
GetConsoleMode
GetACP
GetOEMCP
IsValidCodePage
SetFilePointer
FlushFileBuffers
GetUserDefaultLCID
GetLocaleInfoW
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
GetStringTypeW
ole32
CoCreateInstance
CoInitialize
shlwapi
PathIsRootW
PathFileExistsW
PathAppendW
PathAddExtensionW
PathRemoveExtensionW
Sections
.text Size: 137KB - Virtual size: 136KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 262KB - Virtual size: 283KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 50KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ