Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20230824-en
General
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Target
a.bin
-
Size
192KB
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MD5
4e271ba5498e7511c0b01f3ef1b99114
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SHA1
616e025ee6935b1453f552cb50ced3cd3faee5bb
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SHA256
6a207be6807f1ea51f0bdeeb89e3ea4f0560f48f9b7ed3ed4ea68a212e2714ca
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SHA512
7241fcb0249772affd0d40598428cdcf45eb224f37860703b71e1dd36608d0c9bc7e745448dd90d4e079505cecab57c09e91e2969cee3e018ae6d555aa1aaea4
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SSDEEP
3072:6TzI7wjFPJkvsn2oYK9c1PQ2xQgGdHpbSAo8qW1EntxdvyyqbWI6lTNfWhDsO4sO:SuwZPuvs2oYOcRQ24H0Wy3dv3OhlNn50
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a.bin
Files
-
a.bin.exe windows x86
a5a4e08562743f384c6a36bdbba4c3c7
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
GetModuleHandleA
GetLocaleInfoA
OpenProcess
PostQueuedCompletionStatus
SetFileAttributesW
CreateToolhelp32Snapshot
MultiByteToWideChar
Sleep
GetLastError
Process32NextW
SetEvent
GetDiskFreeSpaceExW
GetCurrentThread
TerminateThread
LoadLibraryA
lstrcatW
CloseHandle
GetNativeSystemInfo
GetSystemInfo
CreateThread
SetVolumeMountPointW
GetWindowsDirectoryW
GetProcAddress
SetFilePointerEx
LocalFree
DeleteCriticalSection
ExitProcess
GetCurrentProcessId
GetModuleHandleW
CopyFileW
WideCharToMultiByte
GetVolumePathNamesForVolumeNameW
lstrcpyW
SleepEx
GetDiskFreeSpaceExA
CreateEventA
GetCurrentThreadId
lstrcmpiW
CreateIoCompletionPort
GetTickCount
lstrcmpW
MoveFileW
GetDriveTypeW
GetComputerNameA
QueryDosDeviceW
DuplicateHandle
CreateEventW
FindVolumeClose
GetFileType
WriteConsoleW
SetEndOfFile
ReadConsoleW
HeapSize
GetConsoleMode
GetConsoleOutputCP
GetFileAttributesW
CreateFileW
WaitForSingleObject
FindClose
lstrlenA
GetQueuedCompletionStatus
SetErrorMode
InitializeCriticalSection
LeaveCriticalSection
WaitForMultipleObjects
GetModuleFileNameW
GetUserDefaultLangID
TerminateProcess
WriteFile
GetCurrentProcess
lstrlenW
FindNextFileW
GetCommandLineW
EnterCriticalSection
FindFirstVolumeW
FindFirstFileExW
GetFileSizeEx
GetLogicalDrives
ReadFile
FlushFileBuffers
GetStringTypeW
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
QueryPerformanceCounter
FindNextVolumeW
LCMapStringW
HeapAlloc
HeapFree
HeapReAlloc
GetStdHandle
GetModuleHandleExW
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
ResetEvent
WaitForSingleObjectEx
IsDebuggerPresent
GetStartupInfoW
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwind
RaiseException
SetLastError
EncodePointer
TlsAlloc
TlsGetValue
DecodePointer
user32
CreateWindowExW
GetCursorPos
DefWindowProcW
RegisterClassW
advapi32
RegQueryValueExA
OpenThreadToken
LookupPrivilegeValueW
AdjustTokenPrivileges
CreateServiceW
RegCloseKey
CryptAcquireContextW
CloseServiceHandle
CryptGenRandom
OpenSCManagerW
AllocateAndInitializeSid
SetEntriesInAclW
SetNamedSecurityInfoW
RegSetValueExW
OpenProcessToken
FreeSid
StartServiceW
RegOpenKeyExA
RegOpenKeyExW
CryptReleaseContext
shell32
CommandLineToArgvW
ShellExecuteW
ShellExecuteA
netapi32
NetShareEnum
NetApiBufferFree
shlwapi
wnsprintfA
StrCmpNIW
StrCmpNW
StrDupW
StrStrIW
UrlUnescapeA
UrlEscapeA
SHDeleteKeyW
wnsprintfW
iphlpapi
GetIpNetTable
ws2_32
inet_ntoa
wininet
InternetCrackUrlW
InternetQueryOptionW
InternetCloseHandle
InternetConnectW
InternetSetOptionW
InternetOpenW
InternetQueryDataAvailable
HttpOpenRequestW
InternetReadFile
HttpSendRequestW
Sections
.text Size: 129KB - Virtual size: 129KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 48KB - Virtual size: 47KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ