PCPKsp[.]dll | Triage

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General

Target

PCPKsp.dll
Size

867KB
MD5

d230060662eb7b05f081a0438776e571
SHA1

965ce80447be805868f4cc2703c92c6b403857ba
SHA256

a8b30f3856f352ee58cd70d706e551151ea680998bcbef49c9cfdda66f0b8645
SHA512

c8a15e68643b5abdf7034ad264d76cbd390236b30537ded38777a840fb82029009c752bf6a7a866ae808e42111185ef41398e2cb263cac93fd438cd5a7c33858
SSDEEP

12288:pvcPnHFemTp+JvVqMcD8EHlPj0qr434Uj0mR+tSCnDxK4rOIu:+Hrp+JkMcD8EFPLraWbSCDxK4rZu

Score

1^/10

Malware Config

Signatures

Files

PCPKsp.dll
.dll windows:10 windows x86 arch:x86

c0d0839a48080a509ca082e86a40e79b

Code Sign

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3b
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

93:26:bf:07:b7:3d:4b:07:cf:e0:73:3f:40:10:aa:65:e1:b1:0b:c9:4c:62:9f:f4:58:11:ac:91:6a:d3:f8:13
Signer

Actual PE Digest

93:26:bf:07:b7:3d:4b:07:cf:e0:73:3f:40:10:aa:65:e1:b1:0b:c9:4c:62:9f:f4:58:11:ac:91:6a:d3:f8:13

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

PCPKsp.pdb

Imports

msvcrt

memcpy
_XcptFilter
_CxxThrowException
?what@exception@@UBEPBDXZ
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABQBD@Z
_wcsicmp
_amsg_exit
wcsncmp
strncmp
_unlock
free
time
srand
memmove_s
__dllonexit
_onexit
malloc
?terminate@@YAXXZ
??1type_info@@UAE@XZ
_vsnprintf_s
??0exception@@QAE@ABV0@@Z
memmove
??0exception@@QAE@XZ
??1exception@@UAE@XZ
_purecall
_except_handler4_common
memcmp
_initterm
_lock
__CxxFrameHandler3
memcpy_s
_vsnwprintf
rand
memset

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

LoadLibraryExW
GetModuleHandleExW
GetProcAddress
DisableThreadLibraryCalls
LoadStringW
FreeLibrary
GetModuleFileNameA
GetModuleHandleW

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

OpenSemaphoreW
InitializeCriticalSection
AcquireSRWLockShared
ReleaseSRWLockShared
CreateMutexExW
WaitForSingleObjectEx
CreateSemaphoreExW
DeleteCriticalSection
EnterCriticalSection
TryAcquireSRWLockExclusive
AcquireSRWLockExclusive
ReleaseSemaphore
LeaveCriticalSection
ReleaseSRWLockExclusive
InitializeCriticalSectionEx
ReleaseMutex
InitializeCriticalSectionAndSpinCount
WaitForSingleObject
InitializeSRWLock

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

GetProcessHeap
HeapFree
HeapAlloc

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

GetLastError
SetUnhandledExceptionFilter
SetLastError
UnhandledExceptionFilter

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

CreateThreadpoolTimer
CloseThreadpoolTimer
WaitForThreadpoolTimerCallbacks
SetThreadpoolTimer

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

TerminateProcess
OpenThreadToken
GetCurrentThread
OpenProcessToken
GetCurrentProcessId
GetCurrentProcess
GetCurrentThreadId

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

FormatMessageW

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

DebugBreak
OutputDebugStringW
IsDebuggerPresent

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

CloseHandle

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

RegSetKeyValueW

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

RegQueryValueExW
RegCloseKey
RegEnumValueW
RegCreateKeyExW
RegSetValueExW
RegOpenKeyExW
RegDeleteValueW
RegGetValueW

api-ms-win-eventing-provider-l1-1-0

EventRegister
EventActivityIdControl
EventSetInformation
EventWriteTransfer
EventUnregister

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

Sleep
InitOnceBeginInitialize
InitOnceComplete

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

GetSystemTimeAsFileTime
GetTickCount
GetTickCount64

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

LocalFree
LocalAlloc

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

FindFirstFileW
FindNextFileW
GetFileAttributesExW
GetFileAttributesW
CreateDirectoryW
FindClose
CompareFileTime
FlushFileBuffers
WriteFile
ReadFile
GetFileSize
DeleteFileW
CreateFileW
GetFileTime

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

GetTokenInformation
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorSacl
GetSecurityDescriptorLength
GetSecurityDescriptorOwner

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

QueryPerformanceCounter

ntdll

RtlGetPersistedStateLocation
RtlNtStatusToDosError

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DllInstall
DllMain
DllUnregisterServer
GetKeyStorageInterface

Sections

.text
Size: 804KB - Virtual size: 803KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 284B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c0d0839a48080a509ca082e86a40e79b

Code Sign

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3bCertificate

Extended Key Usages

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

Key Usages

93:26:bf:07:b7:3d:4b:07:cf:e0:73:3f:40:10:aa:65:e1:b1:0b:c9:4c:62:9f:f4:58:11:ac:91:6a:d3:f8:13Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-eventing-provider-l1-1-0

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

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

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

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

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

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

ntdll

api-ms-win-core-delayload-l1-1-1

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

Exports

Exports

Sections

.text Size: 804KB - Virtual size: 803KB

.data Size: 1024B - Virtual size: 2KB

.idata Size: 5KB - Virtual size: 4KB

.didat Size: 512B - Virtual size: 284B

.rsrc Size: 1KB - Virtual size: 1KB

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

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3b
Certificate

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

93:26:bf:07:b7:3d:4b:07:cf:e0:73:3f:40:10:aa:65:e1:b1:0b:c9:4c:62:9f:f4:58:11:ac:91:6a:d3:f8:13
Signer

.text
Size: 804KB - Virtual size: 803KB

.data
Size: 1024B - Virtual size: 2KB

.idata
Size: 5KB - Virtual size: 4KB

.didat
Size: 512B - Virtual size: 284B

.rsrc
Size: 1KB - Virtual size: 1KB

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