Behavioral task
behavioral1
Sample
81c673a143cb39e300aa9cac16008b075f80aa22943428c554c80a6ba9000857.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
81c673a143cb39e300aa9cac16008b075f80aa22943428c554c80a6ba9000857.exe
Resource
win10v2004-20240508-en
General
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Target
81c673a143cb39e300aa9cac16008b075f80aa22943428c554c80a6ba9000857
-
Size
178KB
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MD5
7f916d28233902435d9cf7c4d5ce16f2
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SHA1
35c5914f7cb81a7727ae01e1e601acb28af206d5
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SHA256
81c673a143cb39e300aa9cac16008b075f80aa22943428c554c80a6ba9000857
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SHA512
c1b55c193d789a3428ec5425ddbd76c8fa08e8be06ad176321886d6eb17f2d9c4abc5d974f9059c2462c500f271dc43b03769df7a7b3474dc7c451b63af22c37
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SSDEEP
3072:jEJLldsvWL+6V9pk7amgwryg3nMCxqaNpd7:AJ51+Egd187aJ7
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
Processes:
resource yara_rule sample UPX -
Processes:
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 81c673a143cb39e300aa9cac16008b075f80aa22943428c554c80a6ba9000857
Files
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81c673a143cb39e300aa9cac16008b075f80aa22943428c554c80a6ba9000857.exe windows:4 windows x86 arch:x86
da384bb2ce62cf3ef55c3f5c8d3d258d
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WaitForSingleObject
HeapAlloc
SetErrorMode
GetProcAddress
SetEnvironmentVariableA
LoadLibraryA
CompareStringA
FlushFileBuffers
GetStringTypeW
GetStringTypeA
SetStdHandle
CreateFileA
GetModuleFileNameA
ReadFile
SetFilePointer
GetFileSize
LocalFree
CloseHandle
WriteFile
LocalAlloc
GetWindowsDirectoryA
GetTempFileNameA
Process32Next
TerminateProcess
OpenProcess
Process32First
CreateToolhelp32Snapshot
GetCurrentProcess
GetVersionExA
DeleteFileA
WinExec
UnmapViewOfFile
MapViewOfFile
CreateFileMappingA
LockResource
SizeofResource
LoadResource
FindResourceA
FreeLibrary
EnumResourceNamesA
FlushViewOfFile
LoadLibraryExA
SetFileTime
Sleep
CopyFileA
GetFileTime
SetFileAttributesA
GetFileAttributesA
GetComputerNameA
CreateThread
TerminateThread
GetOEMCP
LCMapStringA
FindClose
FindNextFileA
FindFirstFileA
HeapDestroy
CreateProcessA
GetModuleHandleA
GetCurrentProcessId
CompareStringW
GetTimeZoneInformation
GetSystemTime
GetLocalTime
GetStartupInfoA
GetCommandLineA
GetVersion
ExitProcess
HeapFree
WideCharToMultiByte
MultiByteToWideChar
FreeEnvironmentStringsW
LCMapStringW
GetEnvironmentStrings
HeapCreate
VirtualFree
VirtualAlloc
HeapReAlloc
UnhandledExceptionFilter
FreeEnvironmentStringsA
GetFileType
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetCPInfo
RtlUnwind
GetLastError
GetACP
advapi32
OpenProcessToken
LookupPrivilegeValueA
AdjustTokenPrivileges
RegOpenKeyA
RegCreateKeyA
RegSetValueExA
RegCloseKey
user32
ExitWindowsEx
GetDesktopWindow
GetWindow
SendMessageA
GetWindowTextA
GetWindowThreadProcessId
IsWindow
version
GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA
ws2_32
WSAStartup
getsockname
ntohs
listen
closesocket
WSACleanup
accept
select
recvfrom
inet_ntoa
sendto
htons
socket
bind
recv
inet_addr
gethostname
gethostbyname
Sections
UPX0 Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 72KB - Virtual size: 72KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE