Behavioral task
behavioral1
Sample
b4b89f29c68b5ee55bcd9e33db0abb2ab5a1c9ca787ccbfbf7790974c1f0f7b9N.exe
Resource
win7-20240903-en
General
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Target
b4b89f29c68b5ee55bcd9e33db0abb2ab5a1c9ca787ccbfbf7790974c1f0f7b9N.exe
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Size
331KB
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MD5
a19061efa0ec169b8185848b9cd64970
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SHA1
a66e713f8e8a839ea26521c0bd919f3bcd3b9c34
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SHA256
b4b89f29c68b5ee55bcd9e33db0abb2ab5a1c9ca787ccbfbf7790974c1f0f7b9
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SHA512
dca58cabf92c1eb225c87a7f377aae5a52cc081779567a5d042c2c174a3bc15d520df8e45afd5f5d051437dbb3a59e4a2a4b4f82f5c8154b0470687804883b8d
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SSDEEP
3072:NdXi+V5Kgxpdxj8gbib20xTyst542t8ZHWBow8+zoB91wDQgJl0x2AEMenKbZisn:Nd7rpL43btmQ58Z27zw39gY2FeZh4A
Malware Config
Signatures
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Urelas family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource b4b89f29c68b5ee55bcd9e33db0abb2ab5a1c9ca787ccbfbf7790974c1f0f7b9N.exe
Files
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b4b89f29c68b5ee55bcd9e33db0abb2ab5a1c9ca787ccbfbf7790974c1f0f7b9N.exe.exe windows:4 windows x86 arch:x86
00d8178937161dc240e0095e46c6ce52
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CloseHandle
CreateEventW
CreateThread
GetSystemDirectoryW
DeleteFileW
GetModuleHandleW
FindResourceW
SizeofResource
LoadResource
LockResource
FreeResource
MultiByteToWideChar
GetVersionExW
CreateFileW
GetFileSizeEx
GetLastError
GetCurrentProcessId
TerminateProcess
GetModuleHandleA
GetProcAddress
GetTempPathA
GetModuleFileNameA
CreateFileA
WriteFile
ReadFile
SetFilePointer
OpenEventW
DeviceIoControl
SystemTimeToFileTime
GetCurrentDirectoryW
LocalFileTimeToFileTime
WideCharToMultiByte
SetFileAttributesW
SetEndOfFile
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
HeapSize
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
LoadLibraryA
CopyFileW
GetTempPathW
GetFileAttributesW
Sleep
GetTickCount
ExitProcess
FlushFileBuffers
GetModuleFileNameW
SetStdHandle
InitializeCriticalSection
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetCommandLineW
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
LCMapStringW
LCMapStringA
GetOEMCP
GetACP
GetCPInfo
RaiseException
GetConsoleMode
GetConsoleCP
HeapCreate
HeapDestroy
HeapReAlloc
HeapAlloc
HeapFree
GetVersionExA
GetProcessHeap
GetStartupInfoW
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
DeleteCriticalSection
VirtualFree
VirtualAlloc
user32
LoadStringW
LoadAcceleratorsW
LoadIconW
LoadCursorW
RegisterClassExW
CreateWindowExW
wsprintfW
DialogBoxParamW
DestroyWindow
DefWindowProcW
EndDialog
PostQuitMessage
EndPaint
BeginPaint
advapi32
RegQueryValueExW
RegCloseKey
RegSetValueExW
RegOpenKeyExW
shell32
ShellExecuteW
ShellExecuteA
ws2_32
htonl
connect
WSAGetLastError
recv
send
WSAStartup
closesocket
gethostbyaddr
socket
gethostbyname
inet_addr
htons
iphlpapi
GetAdaptersInfo
Sections
.text Size: 105KB - Virtual size: 108KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 21KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 6KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 140KB - Virtual size: 140KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
JHDFRWG Size: 50KB - Virtual size: 52KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.adata Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE