EM[.]exe | Triage

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General

Target

EM.exe
Size

656KB
MD5

c4b100a23b3578d5989c82dcd087ef0c
SHA1

ff0b253e9315b7e869f6e33cc4865bcb4287ac34
SHA256

5acea860e726ebfe8953697b64321d84321db65a4e65e38542e55e7d3d9dadef
SHA512

7deaf24ad76d0009e558450c07202673a7fab9975517c6f00cef5829a28567428434d3ca79da6dad6a4ec135f0a2917a26b2a6a297beeb5aca7d1fe17b0dbca7
SSDEEP

6144:FMu+hCRC5ivLS7JzxbTs37NAsGsd0dbnjt5n:FeKWoQjtZ

Score

1^/10

Malware Config

Signatures

Files

EM.exe
.exe windows x64

ae2caa74f67842259f5b72d4ad1847f0

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

0c:f8:3c:08:c2:24:09:87:6e:f2:c6:9b:cb:4a:8d:0d:66:70:b4:b5:14:30:91:c0:8b:34:15:0d:f4:f2:e6:7f
Signer

Actual PE Digest

0c:f8:3c:08:c2:24:09:87:6e:f2:c6:9b:cb:4a:8d:0d:66:70:b4:b5:14:30:91:c0:8b:34:15:0d:f4:f2:e6:7f

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
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

RegCloseKey
RegSetValueExW
RegCreateKeyExW
RegGetValueW
ConvertStringSecurityDescriptorToSecurityDescriptorW
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges
EventWriteTransfer
EventUnregister
EventSetInformation
EventRegister

kernel32

GetModuleFileNameA
CreateSemaphoreExW
HeapFree
SetLastError
ReleaseSemaphore
GetModuleHandleExW
WaitForSingleObject
GetCurrentThreadId
ReleaseMutex
FormatMessageW
GetLastError
OutputDebugStringW
WaitForSingleObjectEx
OpenSemaphoreW
CloseHandle
HeapAlloc
GetProcAddress
CreateMutexExW
GetCurrentProcessId
GetProcessHeap
GetModuleHandleW
DebugBreak
IsDebuggerPresent
VerSetConditionMask
VerifyVersionInfoW
GetUserDefaultGeoName
LocalFree
LocalAlloc
CompareStringOrdinal
ExpandEnvironmentStringsW
GetFileAttributesW
GetFileSizeEx
CreateFile2
ReadFile
FindResourceW
LoadResource
SizeofResource
LockResource
DeleteFileW
WriteFile
GetCurrentProcess
CopyFile2
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
AcquireSRWLockShared
ReleaseSRWLockShared
SetThreadpoolTimer
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
CloseThreadpoolTimer
WaitForThreadpoolTimerCallbacks
InitializeCriticalSectionEx
InitOnceBeginInitialize
InitOnceComplete
CreateThreadpoolTimer

msvcrt

_fmode
_commode
?terminate@@YAXXZ
_lock
__wgetmainargs
__dllonexit
_onexit
??1type_info@@UEAA@XZ
memcmp
_amsg_exit
_XcptFilter
__C_specific_handler
_initterm
__setusermatherr
_cexit
memmove
memcpy
_CxxThrowException
_exit
exit
?what@exception@@UEBAPEBDXZ
??0exception@@QEAA@AEBQEBDH@Z
??0exception@@QEAA@AEBQEBD@Z
_callnewh
malloc
??_V@YAXPEAX@Z
memmove_s
_purecall
_vsnprintf_s
??0exception@@QEAA@AEBV0@@Z
__set_app_type
??0exception@@QEAA@XZ
??1exception@@UEAA@XZ
??3@YAXPEAX@Z
memcpy_s
_vsnwprintf
_unlock
__CxxFrameHandler3
memset

shcore

ord110

bcrypt

BCryptCloseAlgorithmProvider
BCryptDestroyHash
BCryptFinishHash
BCryptHashData
BCryptOpenAlgorithmProvider
BCryptCreateHash

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

CoUninitialize
CoInitializeEx
CoCreateInstance

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

Sleep

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

RtlVirtualUnwind
RtlCaptureContext
RtlLookupFunctionEntry

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

UnhandledExceptionFilter
SetUnhandledExceptionFilter

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

TerminateProcess

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime
GetTickCount

Sections

.text
Size: 46KB - Virtual size: 46KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 570KB - Virtual size: 570KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 524B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ae2caa74f67842259f5b72d4ad1847f0

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

0c:f8:3c:08:c2:24:09:87:6e:f2:c6:9b:cb:4a:8d:0d:66:70:b4:b5:14:30:91:c0:8b:34:15:0d:f4:f2:e6:7fSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

shcore

bcrypt

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

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

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

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

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

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

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

Sections

.text Size: 46KB - Virtual size: 46KB

.rdata Size: 19KB - Virtual size: 19KB

.data Size: 1024B - Virtual size: 3KB

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

.rsrc Size: 570KB - Virtual size: 570KB

.reloc Size: 1024B - Virtual size: 524B

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

0c:f8:3c:08:c2:24:09:87:6e:f2:c6:9b:cb:4a:8d:0d:66:70:b4:b5:14:30:91:c0:8b:34:15:0d:f4:f2:e6:7f
Signer

.text
Size: 46KB - Virtual size: 46KB

.rdata
Size: 19KB - Virtual size: 19KB

.data
Size: 1024B - Virtual size: 3KB

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

.rsrc
Size: 570KB - Virtual size: 570KB

.reloc
Size: 1024B - Virtual size: 524B