C:\Users\DarkCoderSc\Desktop\Celesty Binder\Stub\STATIC\Stub.pdb
Behavioral task
behavioral1
Sample
Boostrapper.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Boostrapper.exe
Resource
win10v2004-20241007-en
General
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Target
Boostrapper.exe
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Size
28.6MB
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MD5
dce9cff74b9d9bab6a5986013aec628e
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SHA1
b815990c20f978888cbf1d09a31f374423785d0b
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SHA256
146e60d8dc75128cfd31cd96f589e53224637b76473ebb64a920a4d9da0eccc2
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SHA512
a4cd1c4ebc9937b0f902660e067028cba11ae1a14332ea0948e74e9a270668ece765f0f1462d34ade757cc04ac634bdb171ff8b980b1a04f9bccca01a130411b
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SSDEEP
786432:GhQiXgPQEErUlqsA3XTg5MS57vDACrv3Fqbqx:iQE89Ed3XTg5MS57v0eqbQ
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
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Detects Pyinstaller 1 IoCs
resource yara_rule sample pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Boostrapper.exe
Files
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Boostrapper.exe.exe windows:5 windows x86 arch:x86
9222d372923baed7aa9dfa28449a94ea
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
PDB Paths
Imports
kernel32
CreateFileA
FindResourceA
FreeLibrary
LoadResource
WriteFile
SizeofResource
GetProcAddress
LoadLibraryA
LockResource
EnumResourceNamesA
CloseHandle
FreeResource
GetWindowsDirectoryA
OutputDebugStringA
GetTempPathA
GetModuleHandleW
ExitProcess
DecodePointer
EncodePointer
GetCommandLineA
HeapSetInformation
GetStartupInfoW
RaiseException
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
GetLastError
HeapFree
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
LoadLibraryW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetStdHandle
GetModuleFileNameW
Sleep
HeapSize
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
HeapCreate
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
RtlUnwind
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapReAlloc
LCMapStringW
MultiByteToWideChar
GetStringTypeW
shell32
ShellExecuteA
SHGetSpecialFolderPathA
Sections
.text Size: 30KB - Virtual size: 30KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 12KB
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: 28.6MB - Virtual size: 28.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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Stub.pyc