easinvoker[.]exe

Sharing

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General

Target

easinvoker.exe
Size

77KB
MD5

82ef69ecabf12160625a6ba15d2a2671
SHA1

5e590f68d63ba7ddf86c822498faa944a4e0990a
SHA256

4ab78dc788cead8f20227c9e2abfbefd5e74c64c85677c505ae7e694b7d41565
SHA512

1881a5f8aaffae5b4e549f0c905c36b3736911a426d024e11ed9541333bd9c5b02e1cea7309c906b575fa2c8ef98b84abfb3d087d55de7c0e0a00445f0c40ffb
SSDEEP

1536:FvMYKUtUZn/0q9+DaVu2xXibswbTYWXUZf8y8vPF:FNd+cc+D2u2xXibswbzXUR8TvN

Score

1^/10

Malware Config

Signatures

Files

easinvoker.exe
.exe windows x64

a80cee60effa9529baf16ee52ff52b18

Code Sign

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/05/2019, 21:24

Not After

02/05/2020, 21:24

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

26:07:aa:aa:ca:8c:28:93:44:4b:cf:79:e3:7a:fc:75:56:c6:f8:a2:21:5f:40:a7:5b:3b:44:30:74:18:57:02
Signer

Actual PE Digest

26:07:aa:aa:ca:8c:28:93:44:4b:cf:79:e3:7a:fc:75:56:c6:f8:a2:21:5f:40:a7:5b:3b:44:30:74:18:57:02

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

RegGetValueW
TraceMessage
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableLevel
GetTraceEnableFlags
GetTraceLoggerHandle
GetTokenInformation
MakeAbsoluteSD
OpenThreadToken
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW
OpenProcessToken
EventSetInformation
EventWriteTransfer
EventRegister
EventUnregister
EventProviderEnabled

kernel32

GetProcessHeap
HeapAlloc
HeapFree
GetModuleFileNameA
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
ResolveDelayLoadedAPI
DelayLoadFailureHook
GetCurrentProcess
WaitForSingleObject
CreateEventW
LocalFree
GetLastError
GetSystemWindowsDirectoryW
SetEvent
GetCurrentThread
CloseHandle

msvcrt

free
_wtoi
_callnewh
_XcptFilter
_amsg_exit
__wgetmainargs
__set_app_type
exit
_exit
_purecall
_cexit
__setusermatherr
_initterm
__C_specific_handler
_fmode
_commode
_lock
_unlock
__dllonexit
toupper
_vsnwprintf
_wcsicmp
__CxxFrameHandler3
memset
memcpy
malloc
memmove
_onexit
?terminate@@YAXXZ

api-ms-win-core-com-l1-1-0

CoAddRefServerProcess
CoRevokeClassObject
CoInitializeSecurity
CoTaskMemFree
CoTaskMemAlloc
CoInitializeEx
CoUninitialize
CoReleaseServerProcess
CoRegisterClassObject
CoCreateInstance

api-ms-win-core-synch-l1-2-0

Sleep

api-ms-win-core-errorhandling-l1-1-0

SetUnhandledExceptionFilter
UnhandledExceptionFilter

api-ms-win-core-libraryloader-l1-2-0

GetProcAddress
LoadLibraryExW
GetModuleHandleW
FreeLibrary

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-processthreads-l1-1-0

TerminateProcess
GetCurrentProcessId
GetCurrentThreadId

api-ms-win-core-sysinfo-l1-1-0

GetTickCount
GetSystemTimeAsFileTime
GetVersionExW

api-ms-win-core-rtlsupport-l1-1-0

RtlLookupFunctionEntry
RtlVirtualUnwind
RtlCaptureContext

api-ms-win-core-heap-l2-1-0

LocalAlloc

api-ms-win-security-base-l1-1-0

CheckTokenMembership
PrivilegeCheck
GetSecurityDescriptorDacl
EqualSid
CreateWellKnownSid
CopySid
GetLengthSid

authz

AuthzInitializeContextFromSid
AuthzInitializeResourceManager
AuthzAddSidsToContext
AuthzAccessCheck
AuthzFreeContext
AuthzFreeResourceManager

samcli

NetUserGetInfo

netutils

NetApiBufferFree

rpcrt4

RpcBindingFromStringBindingW
I_RpcMapWin32Status
RpcStringBindingComposeW
NdrClientCall3
RpcBindingFree
RpcStringFreeW
I_RpcExceptionFilter
RpcBindingBind
RpcBindingCreateW

api-ms-win-core-registry-l1-1-0

RegDeleteValueW
RegDeleteTreeW
RegSetValueExW
RegOpenKeyExW
RegEnumValueW
RegCreateKeyExW
RegQueryInfoKeyW
RegCloseKey

api-ms-win-core-file-l1-1-0

CreateFileW

api-ms-win-security-lsapolicy-l1-1-0

LsaOpenPolicy
LsaQueryInformationPolicy
LsaFreeMemory
LsaClose
LsaLookupSids

samlib

SamConnect
SamOpenDomain
SamQueryInformationDomain
SamOpenUser
SamQueryInformationUser
SamCloseHandle
SamQuerySecurityObject
SamFreeMemory

ntdll

NtGetCachedSigningLevel
NtQuerySystemInformation
RtlGetDeviceFamilyInfoEnum
NtQueryInformationToken
NtDuplicateToken
NtOpenProcessToken
RtlEqualSid
RtlSubAuthorityCountSid
RtlDeleteResource
RtlInitializeResource
NtClose
RtlReleaseResource
RtlAcquireResourceExclusive
RtlCopySid
RtlLengthSid
RtlGetNtProductType
RtlInitUnicodeString
RtlSubAuthoritySid
RtlInitializeSid
RtlIsMultiSessionSku
NtOpenThreadToken

user32

UpdatePerUserSystemParameters
SystemParametersInfoW

api-ms-win-core-apiquery-l1-1-0

ApiSetQueryApiSetPresence

Sections

.text
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.imrsiv
Size: - Virtual size: 4B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 340B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a80cee60effa9529baf16ee52ff52b18

Code Sign

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

26:07:aa:aa:ca:8c:28:93:44:4b:cf:79:e3:7a:fc:75:56:c6:f8:a2:21:5f:40:a7:5b:3b:44:30:74:18:57:02Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

api-ms-win-core-com-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-rtlsupport-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-security-base-l1-1-0

authz

samcli

netutils

rpcrt4

api-ms-win-core-registry-l1-1-0

api-ms-win-core-file-l1-1-0

api-ms-win-security-lsapolicy-l1-1-0

samlib

ntdll

user32

api-ms-win-core-apiquery-l1-1-0

Sections

.text Size: 37KB - Virtual size: 36KB

.imrsiv Size: - Virtual size: 4B

.rdata Size: 23KB - Virtual size: 22KB

.data Size: 1KB - Virtual size: 3KB

.pdata Size: 2KB - Virtual size: 1KB

.didat Size: 512B - Virtual size: 48B

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 512B - Virtual size: 340B

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

26:07:aa:aa:ca:8c:28:93:44:4b:cf:79:e3:7a:fc:75:56:c6:f8:a2:21:5f:40:a7:5b:3b:44:30:74:18:57:02
Signer

.text
Size: 37KB - Virtual size: 36KB

.imrsiv
Size: - Virtual size: 4B

.rdata
Size: 23KB - Virtual size: 22KB

.data
Size: 1KB - Virtual size: 3KB

.pdata
Size: 2KB - Virtual size: 1KB

.didat
Size: 512B - Virtual size: 48B

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 512B - Virtual size: 340B