Static task
static1
Behavioral task
behavioral1
Sample
Updaters.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Updaters.exe
Resource
win10-20230220-en
Behavioral task
behavioral3
Sample
Updaters.exe
Resource
win10v2004-20230220-en
General
-
Target
Updaters.exe
-
Size
3.3MB
-
MD5
26e9401754a0fe30f1e579b33132c78c
-
SHA1
1dec5a8c868a157763651a606982b3e634416f62
-
SHA256
e753d757d44da6574603ca2940623935afa225d8b8dc982ad2c00bd8f72bb44a
-
SHA512
d8bbbb806438a3a58e3f27bec1bfd659052a98b21a5870b572b1d5f33ef7cfd0f6b26b3e05cbe00a44cabbb2df0c2d0f07786b2e0587b36530ae30e934097fd4
-
SSDEEP
49152:YnsOWmW4HxLq9f7Da3c9JUWDqEPFeH9GxN4A2af5Kq:oWjp9eH93A2Dq
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Updaters.exe
Files
-
Updaters.exe.exe windows x64
23485cf57ab2dcc3f15963e3cce18563
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
secur32
GetUserNameExW
EncryptMessage
InitializeSecurityContextW
AcceptSecurityContext
FreeContextBuffer
DecryptMessage
ApplyControlToken
DeleteSecurityContext
QueryContextAttributesW
FreeCredentialsHandle
AcquireCredentialsHandleA
bcrypt
BCryptGenRandom
kernel32
InitializeSListHead
CreateIoCompletionPort
GetQueuedCompletionStatusEx
RtlVirtualUnwind
IsDebuggerPresent
PostQueuedCompletionStatus
ReadFile
GetOverlappedResult
UnhandledExceptionFilter
SetFileCompletionNotificationModes
SetUnhandledExceptionFilter
Sleep
GetModuleHandleA
GetCurrentProcessId
IsProcessorFeaturePresent
SetHandleInformation
FreeEnvironmentStringsW
ReleaseMutex
FindClose
CompareStringOrdinal
AddVectoredExceptionHandler
SetThreadStackGuarantee
SwitchToThread
GetCurrentThread
RtlCaptureContext
RtlLookupFunctionEntry
SetLastError
GetCurrentDirectoryW
GetEnvironmentStringsW
GetEnvironmentVariableW
RtlUnwindEx
RtlPcToFileHeader
CreateDirectoryW
GetStdHandle
WriteFileEx
RaiseException
ReadFileEx
WaitForSingleObject
GetExitCodeProcess
TerminateProcess
QueryPerformanceCounter
QueryPerformanceFrequency
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
CreateFileW
GetFileInformationByHandle
GetFileInformationByHandleEx
FindFirstFileW
GetFinalPathNameByHandleW
CreateEventW
CancelIo
GetConsoleMode
GetModuleHandleW
FormatMessageW
GetModuleFileNameW
ExitProcess
GetFullPathNameW
CreateNamedPipeW
WaitForMultipleObjects
GetSystemDirectoryW
GetWindowsDirectoryW
CreateProcessW
GetFileAttributesW
EncodePointer
WriteConsoleW
CreateThread
TlsGetValue
TlsSetValue
GetSystemTimeAsFileTime
GetTempPathW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
GetSystemInfo
GetCurrentThreadId
DuplicateHandle
GetCurrentProcess
AcquireSRWLockShared
ReleaseSRWLockShared
TlsFree
lstrlenW
FreeLibrary
LoadLibraryExW
TryAcquireSRWLockExclusive
GetLastError
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
CloseHandle
TlsAlloc
SleepEx
GetProcAddress
advapi32
SystemFunction036
GetUserNameW
RegCloseKey
RegQueryValueExW
RegOpenKeyExW
shell32
SHGetKnownFolderPath
ole32
CoTaskMemFree
ws2_32
WSAGetLastError
WSAStartup
WSACleanup
WSAIoctl
setsockopt
freeaddrinfo
WSASend
getaddrinfo
recv
shutdown
getsockopt
ioctlsocket
connect
bind
WSASocketW
getsockname
getpeername
send
closesocket
crypt32
CertDuplicateCertificateContext
CertDuplicateStore
CertFreeCertificateContext
CertDuplicateCertificateChain
CertCloseStore
CertOpenStore
CertVerifyCertificateChainPolicy
CertGetCertificateChain
CertFreeCertificateChain
CertAddCertificateContextToStore
CertEnumCertificatesInStore
ntdll
NtDeviceIoControlFile
NtCreateFile
RtlNtStatusToDosError
NtCancelIoFileEx
api-ms-win-crt-string-l1-1-0
wcsncmp
strcpy_s
api-ms-win-crt-runtime-l1-1-0
_register_onexit_function
_crt_atexit
terminate
_seh_filter_exe
_set_app_type
abort
_cexit
__p___argv
__p___argc
_c_exit
_exit
_initialize_onexit_table
exit
_initterm_e
_initterm
_register_thread_local_exe_atexit_callback
_get_initial_narrow_environment
_configure_narrow_argv
_initialize_narrow_environment
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-stdio-l1-1-0
_set_fmode
__p__commode
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
api-ms-win-crt-heap-l1-1-0
calloc
free
malloc
_set_new_mode
Sections
.text Size: 2.1MB - Virtual size: 2.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.0MB - Virtual size: 1.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 12KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 127KB - Virtual size: 127KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 65KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ