easinvoker[.]exe

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General

Target

easinvoker.exe
Size

94KB
MD5

869640d0a3f838694ab4dfea9e2f544d
SHA1

bdc42b280446ba53624ff23f314aadb861566832
SHA256

0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323
SHA512

6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7
SSDEEP

1536:dhJfbGY/Bn623Kvv0IzGJyyu2xXibswbTYTjULf1YrfspZPgpzF:dhJfbG6B6yKvv0uWyyu2xXibswbQjUjs

Score

1^/10

Malware Config

Signatures

Files

easinvoker.exe
.exe windows:10 windows x64 arch:x64

3e94ccb6e60fc118db0d61a5306c8825

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

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

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

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

20:6e:e8:96:93:1a:ae:23:5a:a4:bd:af:bf:07:07:6d:f6:db:74:d7:da:bb:8a:e2:2f:8d:c5:37:2d:d1:fa:a4
Signer

Actual PE Digest

20:6e:e8:96:93:1a:ae:23:5a:a4:bd:af:bf:07:07:6d:f6:db:74:d7:da:bb:8a:e2:2f:8d:c5:37:2d:d1:fa:a4

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
EventRegister
EventUnregister

kernel32

GetProcessHeap
HeapAlloc
HeapFree
GetModuleHandleExA
ResolveDelayLoadedAPI
DelayLoadFailureHook
GetSystemWindowsDirectoryW
LocalFree
CloseHandle
GetCurrentThread
SetEvent
GetLastError
CreateEventW
WaitForSingleObject
GetCurrentProcess

msvcrt

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

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

CoRevokeClassObject
CoInitializeSecurity
CoTaskMemAlloc
CoRegisterClassObject
CoInitializeEx
CoUninitialize
CoCreateInstance
CoReleaseServerProcess
CoAddRefServerProcess
CoTaskMemFree

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

LoadLibraryExW
GetProcAddress
FreeLibrary
GetModuleHandleW

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

QueryPerformanceCounter

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

GetCurrentProcessId
GetCurrentThreadId
TerminateProcess

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

GetTickCount
GetSystemTimeAsFileTime
GetVersionExW

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

RtlLookupFunctionEntry
RtlCaptureContext
RtlVirtualUnwind

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

LocalAlloc

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

PrivilegeCheck
GetSecurityDescriptorDacl
CopySid
CreateWellKnownSid
EqualSid
GetLengthSid
CheckTokenMembership

authz

AuthzInitializeContextFromSid
AuthzAddSidsToContext
AuthzInitializeResourceManager
AuthzAccessCheck
AuthzFreeResourceManager
AuthzFreeContext

samcli

NetUserGetInfo

netutils

NetApiBufferFree

rpcrt4

RpcStringBindingComposeW
RpcBindingFromStringBindingW
RpcStringFreeW
RpcBindingFree
I_RpcMapWin32Status
I_RpcExceptionFilter
RpcBindingCreateW
NdrClientCall3
RpcBindingBind

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

RegEnumValueW
RegQueryInfoKeyW
RegCreateKeyExW
RegSetValueExW
RegDeleteValueW
RegOpenKeyExW
RegDeleteTreeW
RegCloseKey

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

CreateFileW

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

LsaClose
LsaFreeMemory
LsaQueryInformationPolicy
LsaOpenPolicy
LsaLookupSids

samlib

SamQueryInformationDomain
SamConnect
SamQuerySecurityObject
SamOpenDomain
SamQueryInformationUser
SamCloseHandle
SamFreeMemory
SamOpenUser

ntdll

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

user32

UpdatePerUserSystemParameters
SystemParametersInfoW

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

ApiSetQueryApiSetPresence

Sections

.text
Size: 36KB - Virtual size: 35KB

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: 24KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 4KB - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 352B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3e94ccb6e60fc118db0d61a5306c8825

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

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

Key Usages

20:6e:e8:96:93:1a:ae:23:5a:a4:bd:af:bf:07:07:6d:f6:db:74:d7:da:bb:8a:e2:2f:8d:c5:37:2d:d1:fa:a4Signer

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: 36KB - Virtual size: 35KB

.imrsiv Size: - Virtual size: 4B

.rdata Size: 24KB - Virtual size: 22KB

.data Size: 4KB - Virtual size: 3KB

.pdata Size: 4KB - Virtual size: 1KB

.didat Size: 4KB - Virtual size: 48B

.rsrc Size: 4KB - Virtual size: 2KB

.reloc Size: 4KB - Virtual size: 352B

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

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

20:6e:e8:96:93:1a:ae:23:5a:a4:bd:af:bf:07:07:6d:f6:db:74:d7:da:bb:8a:e2:2f:8d:c5:37:2d:d1:fa:a4
Signer

.text
Size: 36KB - Virtual size: 35KB

.imrsiv
Size: - Virtual size: 4B

.rdata
Size: 24KB - Virtual size: 22KB

.data
Size: 4KB - Virtual size: 3KB

.pdata
Size: 4KB - Virtual size: 1KB

.didat
Size: 4KB - Virtual size: 48B

.rsrc
Size: 4KB - Virtual size: 2KB

.reloc
Size: 4KB - Virtual size: 352B