Behavioral task
behavioral1
Sample
55aa5e.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
55aa5e.exe
Resource
win10v2004-20230915-en
General
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Target
55aa5e.exe
-
Size
6.9MB
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MD5
56c197e493f74f9233a16cdefab3109f
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SHA1
af35bd2fd5d884bdf6bea8aac695e98f5a00715a
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SHA256
172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01
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SHA512
d2830cfebfaa859f5fca15e3c81799e99c3cb31f72b1075d8828f03a490bfe6196b34d35bbcaede32a6d63d5c2d9bc17bea009e1bd8787cb4397f6627328b086
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SSDEEP
98304:ULop5mhzd71cBjG9Azp56BV8cM0AnwGSOnTXsYGeCW1zbiG54WeOVEMMRHGV7E:0op5mqU9KE8nNZnTXaexbZWsMGV7E
Malware Config
Signatures
-
Processes:
resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 55aa5e.exe
Files
-
55aa5e.exe.exe windows:6 windows x86
a4516a6804cddd5e52a802d79bbd487b
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
CreateFileA
CloseHandle
GetSystemInfo
CreateThread
GetThreadContext
GetProcAddress
VirtualAllocEx
RemoveDirectoryA
GetFileAttributesA
CreateProcessA
CreateDirectoryA
SetThreadContext
WriteConsoleW
ReadConsoleW
SetEndOfFile
HeapReAlloc
HeapSize
GetLastError
CopyFileA
GetTempPathA
Sleep
GetModuleHandleA
SetCurrentDirectoryA
ResumeThread
GetComputerNameExW
GetVersionExW
CreateMutexA
VirtualAlloc
WriteFile
VirtualFree
WriteProcessMemory
GetModuleFileNameA
ReadProcessMemory
ReadFile
SetFilePointerEx
GetTimeZoneInformation
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetStringTypeW
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
DeleteFileW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
GetCurrentProcess
TerminateProcess
RaiseException
SetLastError
RtlUnwind
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetModuleFileNameW
GetStdHandle
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
MultiByteToWideChar
CompareStringW
LCMapStringW
DecodePointer
GetSystemTimeAsFileTime
GetModuleHandleA
CreateEventA
GetModuleFileNameW
TerminateProcess
GetCurrentProcess
CreateToolhelp32Snapshot
Thread32First
GetCurrentProcessId
GetCurrentThreadId
OpenThread
Thread32Next
CloseHandle
SuspendThread
ResumeThread
WriteProcessMemory
GetSystemInfo
VirtualAlloc
VirtualProtect
VirtualFree
GetProcessAffinityMask
SetProcessAffinityMask
GetCurrentThread
SetThreadAffinityMask
Sleep
LoadLibraryA
FreeLibrary
GetTickCount
SystemTimeToFileTime
FileTimeToSystemTime
GlobalFree
LocalAlloc
LocalFree
GetProcAddress
ExitProcess
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
GetModuleHandleW
LoadResource
MultiByteToWideChar
FindResourceExW
FindResourceExA
WideCharToMultiByte
GetThreadLocale
GetUserDefaultLCID
GetSystemDefaultLCID
EnumResourceNamesA
EnumResourceNamesW
EnumResourceLanguagesA
EnumResourceLanguagesW
EnumResourceTypesA
EnumResourceTypesW
CreateFileW
LoadLibraryW
GetLastError
FlushFileBuffers
WriteConsoleW
SetStdHandle
IsProcessorFeaturePresent
DecodePointer
GetCommandLineA
RaiseException
HeapFree
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
LCMapStringW
GetStringTypeW
SetHandleCount
GetStdHandle
InitializeCriticalSectionAndSpinCount
GetFileType
GetStartupInfoW
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
HeapCreate
HeapDestroy
QueryPerformanceCounter
HeapSize
WriteFile
RtlUnwind
SetFilePointer
GetConsoleCP
GetConsoleMode
HeapReAlloc
VirtualQuery
LocalAlloc
LocalFree
GetModuleFileNameW
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress
advapi32
RegCloseKey
RegQueryValueExA
GetSidSubAuthorityCount
GetSidSubAuthority
GetUserNameA
LookupAccountNameA
RegSetValueExA
RegOpenKeyExA
GetSidIdentifierAuthority
shell32
ShellExecuteA
ord680
SHGetFolderPathA
wininet
HttpOpenRequestA
InternetReadFile
InternetConnectA
HttpSendRequestA
InternetCloseHandle
InternetOpenA
InternetOpenW
InternetOpenUrlA
user32
CharUpperBuffW
Sections
.text Size: - Virtual size: 162KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp0 Size: - Virtual size: 3.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp2 Size: 6.2MB - Virtual size: 6.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 718KB - Virtual size: 718KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ