Behavioral task
behavioral1
Sample
c5e61fb9b51fbfcc7956cf40f2accbe1.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c5e61fb9b51fbfcc7956cf40f2accbe1.exe
Resource
win10v2004-20240226-en
General
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Target
c5e61fb9b51fbfcc7956cf40f2accbe1
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Size
680KB
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MD5
c5e61fb9b51fbfcc7956cf40f2accbe1
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SHA1
887f1c9cd28da4808970a59fcd6fa06614955363
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SHA256
5d34a5f9ae4fce0d633317788b8110f9be406d949137098831a39cdd8d4a14d3
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SHA512
b2b2859842f523c9bda43cf70a745b5f5e6699b7a1c1096193853631ec3a8ca4342de1abdac2ffc203d590a36d911e7f7b568fd416aa642cd2ffd80bdc0857c3
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SSDEEP
12288:kUIIRS+tNQGJ7dAjsVE6wpNIyDTemkEEZT:jIIRSYglpNvo
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource c5e61fb9b51fbfcc7956cf40f2accbe1
Files
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c5e61fb9b51fbfcc7956cf40f2accbe1.exe windows:4 windows x86 arch:x86
8b0a955f79a31b1b61c3910a37f1c47f
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
Sleep
CloseHandle
CreateThread
GlobalUnlock
GlobalLock
GlobalAlloc
GetTickCount
WideCharToMultiByte
IsBadReadPtr
GlobalAddAtomA
GlobalAddAtomW
GlobalFree
GlobalGetAtomNameA
GlobalDeleteAtom
GlobalGetAtomNameW
FreeConsole
GetEnvironmentVariableA
VirtualProtect
VirtualAlloc
GetProcAddress
GetLastError
LoadLibraryA
SetLastError
SetThreadPriority
GetCurrentThread
CreateProcessA
GetStartupInfoA
SetEnvironmentVariableA
ReleaseMutex
WaitForSingleObject
CreateMutexA
OpenMutexA
GetCurrentThreadId
CreateFileA
FindClose
FindFirstFileA
FindFirstFileW
VirtualQueryEx
GetExitCodeProcess
ReadProcessMemory
UnmapViewOfFile
ContinueDebugEvent
SetThreadContext
GetThreadContext
WaitForDebugEvent
SuspendThread
DebugActiveProcess
ResumeThread
CreateProcessW
GetCommandLineW
GetStartupInfoW
EnterCriticalSection
DuplicateHandle
GetCurrentProcess
CreateFileMappingA
VirtualProtectEx
WriteProcessMemory
ExitProcess
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
SetStdHandle
FlushFileBuffers
GetConsoleMode
GetConsoleCP
SetFilePointer
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
LCMapStringW
MultiByteToWideChar
LCMapStringA
HeapSize
HeapReAlloc
QueryPerformanceCounter
VirtualFree
HeapCreate
HeapDestroy
GetFileType
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
RtlUnwind
DeleteCriticalSection
GetStdHandle
WriteFile
TlsFree
TlsSetValue
TlsAlloc
LeaveCriticalSection
GetVersionExA
InitializeCriticalSection
GetCurrentProcessId
GetModuleFileNameW
GetShortPathNameW
GetModuleFileNameA
GetShortPathNameA
GetModuleHandleA
MapViewOfFile
GetCommandLineA
GetSystemTimeAsFileTime
HeapFree
HeapAlloc
GetProcessHeap
RaiseException
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
TlsGetValue
user32
GetDesktopWindow
MoveWindow
SetPropA
EnumThreadWindows
GetPropA
GetMessageA
GetSystemMetrics
SetTimer
GetAsyncKeyState
KillTimer
BeginPaint
EndPaint
SetWindowTextA
GetDlgItem
CreateDialogIndirectParamA
ShowWindow
UpdateWindow
LoadStringA
LoadStringW
FindWindowA
WaitForInputIdle
MessageBoxA
InSendMessage
UnpackDDElParam
FreeDDElParam
DefWindowProcA
LoadCursorA
RegisterClassW
CreateWindowExW
RegisterClassA
CreateWindowExA
GetWindowThreadProcessId
SendMessageW
SendMessageA
PeekMessageA
TranslateMessage
DispatchMessageA
EnumWindows
IsWindowUnicode
PackDDElParam
PostMessageW
PostMessageA
IsWindow
DestroyWindow
gdi32
CreateDCA
CreateDIBitmap
CreateCompatibleDC
SelectObject
SelectPalette
RealizePalette
BitBlt
DeleteDC
DeleteObject
CreatePalette
Sections
UPX0 Size: - Virtual size: 160KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 272KB - Virtual size: 320KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.adata Size: 52KB - Virtual size: 64KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 44KB - Virtual size: 128KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 308KB - Virtual size: 320KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE