certreq[.]exe | Triage

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General

Target

certreq.exe
Size

257KB
MD5

f5074313a069b36b9caeb986efe1741c
SHA1

e813a5b3858661620da17dac36f1ac7b39641489
SHA256

49e20107c10c9e4cb7ef10121a8c84514e34421698abe5dcb289a2a89395f1aa
SHA512

e7f63a355a05f6be15a39181f674303be52d233a8f0b9800945a94a487948e7d3b1fc56bed50a398e5c8968ea5b0e2787d4598dc935909faa33a6499501598d5
SSDEEP

6144:v2FBff6a4QBlHr/NKBLjFk8gccz1YVrkfTH:v6n6abvHwhjF3qH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
certreq.exe

Files

certreq.exe
.exe windows x86

78b25e17401c82a8b6204a3d41b099ac

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

CryptDestroyKey
CryptGenKey
CryptReleaseContext
CryptAcquireContextW
OpenProcessToken
OpenThreadToken
GetTokenInformation
CryptDestroyHash
CryptGetHashParam
CryptHashData
CryptCreateHash
RegCloseKey
FreeSid
CheckTokenMembership
DuplicateToken
AllocateAndInitializeSid
CryptGetProvParam
RevertToSelf
CryptEnumProvidersA
RegQueryValueExW
RegOpenKeyExW
EqualSid
ImpersonateLoggedOnUser
CreateWellKnownSid

kernel32

LeaveCriticalSection
EnterCriticalSection
WriteConsoleW
WriteFile
GetACP
WideCharToMultiByte
FileTimeToLocalFileTime
GetConsoleOutputCP
GetDateFormatW
GetTimeFormatW
HeapFree
FindResourceW
LoadResource
LockResource
OutputDebugStringA
GetSystemDirectoryW
LoadLibraryExW
SetLastError
CompareStringW
CreateFileW
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetVersionExW
GetEnvironmentVariableW
FoldStringW
FormatMessageW
GetComputerNameExW
GetFullPathNameW
GetCommandLineW
DeleteFileW
FileTimeToSystemTime
GetSystemTime
GetProcessHeap
HeapAlloc
SystemTimeToFileTime
GetCurrentThread
MultiByteToWideChar
InterlockedExchange
Sleep
GetStartupInfoW
SetUnhandledExceptionFilter
GetModuleHandleA
QueryPerformanceCounter
GetCurrentThreadId
GetCurrentProcessId
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
CompareFileTime
GetModuleHandleW
GetFileType
GetStdHandle
GetLocalTime
CloseHandle
HeapSetInformation
DeleteCriticalSection
InitializeCriticalSection
RaiseException
OpenProcess
GetTempFileNameW
GetFileAttributesW
LocalFree
LocalAlloc
GetTickCount
GetSystemTimeAsFileTime
lstrcmpW
DecodePointer
EncodePointer
DelayLoadFailureHook
GetProcAddress
GetLastError
FreeLibrary
InterlockedCompareExchange
LoadLibraryExA
SearchPathW
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
FindResourceExW
LocalReAlloc

msvcrt

wcsncmp
fgetws
fgets
_wfopen
fgetc
feof
fseek
_wcsicmp
qsort
_setmode
fclose
fflush
isdigit
atoi
memmove
__iob_func
vfwprintf
__CxxFrameHandler3
_fileno
_cexit
_wsetlocale
strchr
getenv
_wgetenv
_wtoi
wcsrchr
iswxdigit
iswdigit
iswspace
iswalpha
bsearch
fopen
ftell
_errno
fwrite
strcspn
fprintf
_controlfp
_except_handler4_common
?terminate@@YAXXZ
_onexit
_lock
__dllonexit
_unlock
??1type_info@@UAE@XZ
__set_app_type
__p__fmode
__p__commode
__setusermatherr
_amsg_exit
_initterm
_wcmdln
exit
_XcptFilter
_exit
wcschr
__wgetmainargs
_CxxThrowException
free
wcsstr
memset
memcpy
wcscspn
_wcsnicmp
_vsnwprintf
_vsnprintf
?_set_se_translator@@YAP6AXIPAU_EXCEPTION_POINTERS@@@ZP6AXI0@Z@Z

certcli

ord215
ord256
ord205
ord260
ord219
ord220
ord221
ord207
ord225
ord223
ord206
ord203
CAFindCertTypeByName
CACloseCertType
CAFreeCertTypeProperty
CAGetCertTypeProperty
ord261
ord254
ord356
ord246
ord252
ord213
ord208
ord242

gdi32

GetStockObject

ncrypt

NCryptIsKeyHandle
NCryptGetProperty
NCryptFreeObject
NCryptFreeBuffer
NCryptEnumStorageProviders

ntdll

RtlFindMessage

setupapi

SetupGetStringFieldW
SetupGetIntField
SetupCloseInfFile
SetupOpenInfFileW
SetupFindFirstLineW
SetupGetLineCountW
SetupFindNextLine
SetupGetFieldCount

wldap32

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

crypt32

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

ole32

StringFromCLSID
CoTaskMemFree
CoTaskMemAlloc
CoUninitialize
CoCreateInstance
CLSIDFromProgID
CLSIDFromString
CoInitialize

oleaut32

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

rpcrt4

UuidCreate

secur32

GetComputerObjectNameW
GetUserNameExW

user32

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

wininet

InternetCrackUrlW
InternetCreateUrlW
InternetCanonicalizeUrlW

Sections

.text
Size: 225KB - Virtual size: 224KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

78b25e17401c82a8b6204a3d41b099ac

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

certcli

gdi32

ncrypt

ntdll

setupapi

wldap32

crypt32

ole32

oleaut32

rpcrt4

secur32

user32

wininet

Sections

.text Size: 225KB - Virtual size: 224KB

.data Size: 7KB - Virtual size: 8KB

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

.reloc Size: 20KB - Virtual size: 20KB

.text
Size: 225KB - Virtual size: 224KB

.data
Size: 7KB - Virtual size: 8KB

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

.reloc
Size: 20KB - Virtual size: 20KB