EMP[.]dll | Triage

Sharing

Copy URL Twitter E-mail

General

Target

EMP.dll
Size

2.1MB
MD5

a166cdfbcb127aaa03dc3537b1ca66f7
SHA1

47c8ab880580f9866bdbd2881b38df249129fe98
SHA256

cdadec8bed906ce9137e8254be6148a5db15b887e0b394ea0d85a3f0df2523ac
SHA512

cff1102d3b8bd03ef0d9850d75c77811ba5f349eea0dd668658d01b47e1b02f1cbc02b8a851c383294ddb432b6fbb24064800ffda9e7dd4b5b80c018b36ba0be
SSDEEP

24576:KhjQrtMAg32rdTqxeLrJ/Bi/LiHR+MInJJo77Bea:KOtMAeklM/LiHRbInJO3Aa

Score

1^/10

Malware Config

Signatures

Files

EMP.dll
.dll windows x64

ff1a92c6477507e0049d9441235946c9

Code Sign

33:00:00:02:5c:93:5a:76:bd:10:e5:99:96:00:00:00:00:02:5c
Certificate

Issuer

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

Not Before

31/01/2020, 19:26

Not After

22/01/2021, 19:26

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

5a:6a:b8:22:fe:b9:ce:e0:74:e0:de:d1:7e:2d:eb:f0:8f:bd:5c:21:18:d0:2e:ad:da:85:f8:60:ff:88:ff:8d
Signer

Actual PE Digest

5a:6a:b8:22:fe:b9:ce:e0:74:e0:de:d1:7e:2d:eb:f0:8f:bd:5c:21:18:d0:2e:ad:da:85:f8:60:ff:88:ff:8d

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

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

07/02/2023, 20:48
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
InterlockedFlushSList
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryA
RaiseException
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
GetProcessHeap
GetStdHandle
GetFileType
GetStringTypeW
HeapSize
HeapReAlloc
SetStdHandle
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
SetFilePointerEx
CreateFileW
CloseHandle
WriteConsoleW

Exports

Exports

EMP

Sections

.text
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.emp0
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data2
Size: 92KB - Virtual size: 92KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.EMP
Size: 204KB - Virtual size: 204KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data3
Size: 608KB - Virtual size: 608KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.emp1
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 132B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 233B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ff1a92c6477507e0049d9441235946c9

Code Sign

33:00:00:02:5c:93:5a:76:bd:10:e5:99:96:00:00:00:00:02:5cCertificate

Extended Key Usages

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

Key Usages

5a:6a:b8:22:fe:b9:ce:e0:74:e0:de:d1:7e:2d:eb:f0:8f:bd:5c:21:18:d0:2e:ad:da:85:f8:60:ff:88:ff:8dSigner

Signature Validations

Verification

07/02/2023, 20:48 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

.text Size: 43KB - Virtual size: 43KB

.rdata Size: 35KB - Virtual size: 35KB

.data Size: 2KB - Virtual size: 6KB

.pdata Size: 3KB - Virtual size: 3KB

_RDATA Size: 512B - Virtual size: 148B

.emp0 Size: 512B - Virtual size: 248B

.data2 Size: 92KB - Virtual size: 92KB

.EMP Size: 204KB - Virtual size: 204KB

.data3 Size: 608KB - Virtual size: 608KB

.emp1 Size: 1.1MB - Virtual size: 1.1MB

.reloc Size: 512B - Virtual size: 132B

.rsrc Size: 512B - Virtual size: 233B

33:00:00:02:5c:93:5a:76:bd:10:e5:99:96:00:00:00:00:02:5c
Certificate

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

5a:6a:b8:22:fe:b9:ce:e0:74:e0:de:d1:7e:2d:eb:f0:8f:bd:5c:21:18:d0:2e:ad:da:85:f8:60:ff:88:ff:8d
Signer

07/02/2023, 20:48
Valid: false

.text
Size: 43KB - Virtual size: 43KB

.rdata
Size: 35KB - Virtual size: 35KB

.data
Size: 2KB - Virtual size: 6KB

.pdata
Size: 3KB - Virtual size: 3KB

_RDATA
Size: 512B - Virtual size: 148B

.emp0
Size: 512B - Virtual size: 248B

.data2
Size: 92KB - Virtual size: 92KB

.EMP
Size: 204KB - Virtual size: 204KB

.data3
Size: 608KB - Virtual size: 608KB

.emp1
Size: 1.1MB - Virtual size: 1.1MB

.reloc
Size: 512B - Virtual size: 132B

.rsrc
Size: 512B - Virtual size: 233B