certreq[.]exe | Triage

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General

Target

certreq.exe
Size

465KB
MD5

9f7ab279fdd77e3479dde9a7aab874f4
SHA1

bcacb32488b94196e71c50287b107035b093cec2
SHA256

b01b0105181f8abab2f75d59a3698f4e3c124132c1ccfe7da15ad25950846d0a
SHA512

ce0f9dfbf147733bdab6de98f8334aee4a0da219dcaf3652f1eed9391e8882a2392c4fd9ae18fb106d5210c2748a6a2954b812a91f022866c62bfdcb32de39c9
SSDEEP

12288:/BklFfJveHpGNd+uAbSalNXBILtvlTt6kz:KlFfJveHpGj+PlNXBILR6kz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
certreq.exe

Files

certreq.exe
.exe windows x86

bc00504381ec3f67e371c8cbf029fc27

Headers

DLL Characteristics

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_32BIT_MACHINE

Imports

advapi32

CryptReleaseContext
CryptGenKey
CryptAcquireContextW
RevertToSelf
CryptDestroyKey
LogonUserExW
WaitServiceState

kernel32

ResolveDelayLoadedAPI
DelayLoadFailureHook
LocalAlloc
lstrcmpW
GetTickCount
GetSystemTimeAsFileTime
GetTempFileNameW
LocalFree
DecodePointer
RaiseException
DeleteFileW
GetFileAttributesW
EncodePointer

msvcrt

wcscpy_s
wcsnlen
_exit
iswupper
sscanf_s
_wcserror
strpbrk
strcat_s
memcpy_s
_cexit
bsearch
_itoa_s
_CxxThrowException
memcpy
memmove
exit
__set_app_type
??0exception@@QAE@ABQBD@Z
_stricmp
strspn
_fileno
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
?what@exception@@UBEPBDXZ
_callnewh
??1type_info@@UAE@XZ
_swab
_setmode
getenv
strcspn
_except_handler4_common
wcsstr
wcschr
iswdigit
_vsnprintf
fputws
fclose
iswlower
_controlfp
?terminate@@YAXXZ
strcpy_s
towupper
__wgetmainargs
_initterm
fwrite
ftell
_wgetenv
_onexit
_wfopen_s
_errno
fflush
memset
fprintf
fopen
wcsncpy_s
__setusermatherr
_amsg_exit
ferror
__dllonexit
__p__commode
_vsnwprintf
??_V@YAXPAX@Z
_unlock
_lock
??3@YAXPAX@Z
__iob_func
_wcmdln
memcmp
__p__fmode
_XcptFilter
wcscspn
wcsrchr
_wcsnicmp
__CxxFrameHandler3
?_set_se_translator@@YAP6AXIPAU_EXCEPTION_POINTERS@@@ZP6AXI0@Z@Z
iswspace
iswxdigit
_wtoi
gmtime
_wsetlocale
iswalpha
_wfopen
fgetc
feof
fseek
fgetws
fgets
vfwprintf
_wcsicmp
_purecall
malloc
free
towlower
qsort
isdigit
strchr
atoi
strncmp
wcsncmp

certcli

CACloseCertType
CAFreeCertTypeProperty
CAGetCertTypeProperty
CAFindCertTypeByName
ord203
ord205
ord225
ord252
ord373
ord223
ord359
ord358
ord254
ord246
ord357
ord356
ord221
ord219
ord256
ord220
ord261
ord260
ord366
ord207
ord213
ord360

gdi32

GetStockObject

ncrypt

NCryptFreeObject
NCryptIsKeyHandle
NCryptOpenStorageProvider
NCryptGetProperty
NCryptEnumStorageProviders
NCryptFreeBuffer
NCryptOpenKey
NCryptSetProperty

normaliz

IdnToUnicode

ntdll

RtlTimeToSecondsSince1970
NtQuerySystemTime
RtlGetPersistedStateLocation
RtlNtStatusToDosError
EtwTraceMessage

setupapi

SetupGetIntField
SetupGetStringFieldW
SetupFindNextLine
SetupGetFieldCount
SetupFindFirstLineW
SetupGetLineCountW
SetupOpenInfFileW
SetupCloseInfFile

profapi

ord104

wldap32

ord18
ord224
ord203
ord26
ord79
ord140
ord41
ord142
ord13
ord16
ord12
ord167
ord147
ord127
ord210

crypt32

CryptDecodeObjectEx
CryptEncodeObjectEx
CertGetNameStringW
CertFindExtension
CertVerifySubjectCertificateContext
CertGetCertificateContextProperty
CertOpenStore
CertFindCertificateInStore
CryptMsgGetParam
CertCloseStore
CertDuplicateCertificateContext
CertEnumCertificatesInStore
CryptSignAndEncodeCertificate
CryptFindCertificateKeyProvInfo
CryptMsgControl
CryptMsgOpenToDecode
CryptMsgGetAndVerifySigner
CryptFindOIDInfo
CertFindAttribute
CertFreeCertificateContext
CertFreeCRLContext
CertGetCertificateChain
CryptMsgUpdate
CryptMsgClose
CryptDecodeObject
CryptHashPublicKeyInfo
CertEnumCRLsInStore
CryptAcquireCertificatePrivateKey
CertCreateCertificateContext
CryptExportPublicKeyInfoEx
CryptSignCertificate
CryptStringToBinaryW
CertFreeCertificateChain
CertNameToStrW
CryptHashCertificate
CertSetStoreProperty
CertGetEnhancedKeyUsage
CertGetIntendedKeyUsage
CertAddCertificateLinkToStore
CryptEnumOIDInfo
CryptFormatObject
CryptSignMessage
CertStrToNameW
CryptMsgOpenToEncode
CryptBinaryToStringW

ole32

CLSIDFromString
CoTaskMemAlloc
CoTaskMemFree
StringFromCLSID
CoCreateInstance
CoUninitialize
CoInitialize
CLSIDFromProgID

oleaut32

VariantCopyInd
SysAllocString
CreateErrorInfo
SetErrorInfo
SysStringByteLen
SysFreeString
VariantInit
VariantTimeToSystemTime
SystemTimeToVariantTime
SafeArrayCreate
SafeArrayPutElement
SafeArrayDestroy
SafeArrayGetDim
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayAccessData
SafeArrayUnaccessData
SysAllocStringLen
SysAllocStringByteLen
VariantClear
SysStringLen
SafeArrayGetElement

rpcrt4

RpcBindingFromStringBindingW
RpcStringBindingComposeW
RpcBindingSetAuthInfoExW
RpcEpResolveBinding
RpcBindingFree
NdrClientCall4
RpcStringFreeW
UuidIsNil
UuidToStringW
RpcExceptionFilter
UuidCreate
UuidFromStringW

secur32

GetUserNameExW
GetComputerObjectNameW

user32

TranslateMessage
DispatchMessageW
LoadCursorW
GetMessageW
GetDesktopWindow
PostQuitMessage
PostMessageW
UpdateWindow
CreateWindowExW
RegisterClassW
LoadIconW
SetCursor
MessageBoxW
CharLowerW
LoadStringW
DefWindowProcW

wininet

InternetCrackUrlW
InternetCreateUrlW
InternetCanonicalizeUrlW

shlwapi

PathFindFileNameW

api-ms-win-core-winrt-string-l1-1-0

WindowsCreateStringReference

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

RoGetActivationFactory

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

Sleep

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

OpenProcessToken
GetCurrentThreadId
GetCurrentProcessId
TerminateProcess
GetStartupInfoW
OpenThreadToken
GetCurrentThread
GetCurrentProcess

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

UnhandledExceptionFilter
GetLastError
SetLastError
SetUnhandledExceptionFilter

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

LockResource
FindResourceExW
LoadResource
FreeLibrary
GetProcAddress
LoadLibraryExW
GetModuleFileNameA
GetModuleHandleW
GetModuleHandleExW

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

QueryPerformanceCounter

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

GlobalFree
LocalReAlloc

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

LocalFileTimeToFileTime
FileTimeToLocalFileTime
WriteFile
GetFileType
GetFileSize
GetFullPathNameW
CompareFileTime
SetEndOfFile
SetFilePointer
CreateFileW

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

HeapSetInformation
HeapAlloc
GetProcessHeap
HeapFree

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

FoldStringW
CompareStringEx
WideCharToMultiByte
CompareStringW
MultiByteToWideChar

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

GetLocalTime
GetVersionExW
GetComputerNameExW
GetSystemDirectoryW
GetSystemTime

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

FileTimeToSystemTime
SystemTimeToFileTime

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

CryptDestroyHash
CryptGetProvParam
CryptEnumProvidersA
CryptSetProvParam
CryptCreateHash
CryptHashData
CryptGetHashParam

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

GetConsoleOutputCP
WriteConsoleW

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

GetCommandLineW
SearchPathW
GetStdHandle
GetEnvironmentVariableW
ExpandEnvironmentStringsW

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

FormatMessageW
GetLocaleInfoW
GetACP

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

RegOpenKeyExW
RegLoadKeyW
RegGetValueW
RegQueryValueExW
RegUnLoadKeyW
RegQueryInfoKeyW
RegCreateKeyExW
RegCloseKey
RegOpenCurrentUser
RegEnumKeyExW

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

FreeSid
DuplicateToken
AllocateAndInitializeSid
CheckTokenMembership
ImpersonateLoggedOnUser
GetTokenInformation
EqualSid
CreateWellKnownSid

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

CloseHandle

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

MapViewOfFile
CreateFileMappingW
UnmapViewOfFile

api-ms-win-core-libraryloader-l1-2-1

FindResourceW

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

OpenProcess

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

K32GetProcessImageFileNameW

api-ms-win-security-lsalookup-l2-1-0

LookupAccountSidW

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

GetDateFormatA
GetTimeFormatA
GetDateFormatW
GetTimeFormatW

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

WaitForSingleObject
ReleaseMutex
WaitForSingleObjectEx
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
OpenSemaphoreW
ReleaseSemaphore
ReleaseSRWLockShared
CreateEventW
SetEvent
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
CreateMutexExW
InitializeCriticalSectionEx
AcquireSRWLockShared
DeleteCriticalSection
CreateSemaphoreExW

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

DebugBreak
IsDebuggerPresent
OutputDebugStringW
OutputDebugStringA

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

GetProfileStringA

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

CreateThreadpoolTimer
CloseThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks

api-ms-win-core-string-obsolete-l1-1-0

lstrcmpiW

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

EventWriteTransfer

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

GetUserDefaultUILanguage
GetSystemDefaultUILanguage

api-ms-win-service-management-l1-1-0

CloseServiceHandle
OpenSCManagerW
OpenServiceW
StartServiceW

api-ms-win-service-management-l2-1-0

QueryServiceConfigW
ChangeServiceConfigW

api-ms-win-service-winsvc-l1-1-0

ControlService

Sections

.text
Size: 413KB - Virtual size: 412KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 156B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bc00504381ec3f67e371c8cbf029fc27

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

certcli

gdi32

ncrypt

normaliz

ntdll

setupapi

profapi

wldap32

crypt32

ole32

oleaut32

rpcrt4

secur32

user32

wininet

shlwapi

api-ms-win-core-winrt-string-l1-1-0

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

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

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

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-heap-l2-1-0

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

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

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-core-libraryloader-l1-2-1

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

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

api-ms-win-security-lsalookup-l2-1-0

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

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

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

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

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

api-ms-win-core-string-obsolete-l1-1-0

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

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

api-ms-win-service-management-l1-1-0

api-ms-win-service-management-l2-1-0

api-ms-win-service-winsvc-l1-1-0

Sections

.text Size: 413KB - Virtual size: 412KB

.data Size: 8KB - Virtual size: 14KB

.idata Size: 13KB - Virtual size: 13KB

.didat Size: 512B - Virtual size: 156B

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

.reloc Size: 24KB - Virtual size: 24KB

.text
Size: 413KB - Virtual size: 412KB

.data
Size: 8KB - Virtual size: 14KB

.idata
Size: 13KB - Virtual size: 13KB

.didat
Size: 512B - Virtual size: 156B

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

.reloc
Size: 24KB - Virtual size: 24KB