Static task
static1
Behavioral task
behavioral1
Sample
j3797423.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
j3797423.exe
Resource
win10-20230703-en
General
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Target
j3797423.exe
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Size
141KB
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MD5
4deab7429c44344fbfbad0503c71447e
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SHA1
d2f74bbb95383042ce24c3eb57dd815c533a4df2
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SHA256
5ee6c2991d63ed3e82a5efa83c5d812396352a98f0cf9d83c84367b5db191827
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SHA512
5381f1a08f0602f295433897d77fee856eab908ce36f7c03712c5023cfd450766514da6a279ef39660cad3975ae01db4d36c29f9fa3c89024faf610761b4b3ce
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SSDEEP
3072:BPrwPG9SiG103j9DR0CrlIM00tob89UoxqhLPN48Z4PNjfCp:x59SO108OfMfCp
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource j3797423.exe
Files
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j3797423.exe.exe windows x86
7a83bc8f14d32c8af61627070a00e36a
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
WriteFile
GetLastError
VirtualFree
VirtualAlloc
WaitForSingleObject
CloseHandle
CreateThread
WriteConsoleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
GetCurrentProcess
TerminateProcess
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
GetStdHandle
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
HeapFree
HeapAlloc
HeapReAlloc
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW
DecodePointer
Sections
.text Size: 107KB - Virtual size: 107KB
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: 2KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ