certreq[.]exe | Triage

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General

Target

certreq.exe
Size

429KB
MD5

a18a70a77aac4e9d59cfd65c969af959
SHA1

d0da7fc489d832a5d0a6615bd75b6fb3634766b1
SHA256

8d0eacb556515275a959edc23a5be41c85ee390be4ffed4876f99de49f2d419b
SHA512

7c2a9defef05fd637e191174b39499bcd370d26f3f94982446b941dbc2a14ba8c4b3092c731958e9e46566d73541aba77c18bd863d2cf277e4f395a0fb2dac71
SSDEEP

6144:NEuIsoKoWA6p/u/3Mgdqww1YPwHmrtbJRSipNJcjmsZw9SgV5KdBqA:NlBoEUdqr1YPwHmrzRhpNJcKfWqA

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
certreq.exe

Files

certreq.exe
.exe windows x86

fefabdd9b02d7481e4e9e38683ee8030

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
WaitServiceState
LogonUserExW

kernel32

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

msvcrt

memset
_callnewh
??0exception@@QAE@ABQBD@Z
??1type_info@@UAE@XZ
memmove
memcpy
_CxxThrowException
_itoa_s
bsearch
?what@exception@@UBEPBDXZ
wcscspn
wcsrchr
_wcsnicmp
_swab
wcsstr
wcschr
iswdigit
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
strncmp
wcsncmp
strcspn
fprintf
fopen
_errno
_wgetenv
memcpy_s
ftell
fwrite
_vsnprintf
fputws
fclose
_wfopen_s
getenv
_setmode
fflush
wcscpy_s
atoi
_except_handler4_common
_stricmp
towupper
iswlower
_controlfp
?terminate@@YAXXZ
_onexit
__dllonexit
_unlock
ferror
_fileno
_lock
strspn
_wcmdln
strcpy_s
_initterm
_vsnwprintf
strcat_s
__setusermatherr
__p__fmode
??3@YAXPAX@Z
_cexit
_exit
strpbrk
__iob_func
sscanf_s
memcmp
iswupper
exit
__set_app_type
__wgetmainargs
_amsg_exit
__p__commode
_XcptFilter
__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

certcli

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

gdi32

GetStockObject

ncrypt

NCryptFreeObject
NCryptIsKeyHandle
NCryptOpenStorageProvider
NCryptGetProperty
NCryptEnumStorageProviders
NCryptFreeBuffer
NCryptOpenKey
NCryptSetProperty

normaliz

IdnToUnicode

ntdll

RtlTimeToSecondsSince1970
NtQuerySystemTime
RtlGetPersistedStateLocation
EtwTraceMessage
RtlNtStatusToDosError

setupapi

SetupGetStringFieldW
SetupGetIntField
SetupFindNextLine
SetupGetFieldCount
SetupFindFirstLineW
SetupGetLineCountW
SetupOpenInfFileW
SetupCloseInfFile

profapi

ord104

wldap32

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

crypt32

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

ole32

CoTaskMemFree
CoInitialize
CoUninitialize
CoCreateInstance
StringFromCLSID
CoTaskMemAlloc
CLSIDFromProgID
CLSIDFromString

oleaut32

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

rpcrt4

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

secur32

GetUserNameExW
GetComputerObjectNameW

user32

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

wininet

InternetCanonicalizeUrlW
InternetCrackUrlW
InternetCreateUrlW

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

GetCurrentThreadId
GetCurrentThread
OpenThreadToken
TerminateProcess
GetCurrentProcess
GetStartupInfoW
OpenProcessToken
GetCurrentProcessId

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

GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError

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

FreeLibrary
LockResource
GetModuleHandleW
LoadLibraryExW
LoadResource
GetProcAddress
FindResourceExW

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

SetEndOfFile
SetFilePointer
CreateFileW
GetFileSize
GetFullPathNameW
GetFileType
CompareFileTime
FileTimeToLocalFileTime
WriteFile
LocalFileTimeToFileTime

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

HeapSetInformation
HeapAlloc
GetProcessHeap
HeapFree

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

FoldStringW
CompareStringEx
MultiByteToWideChar
WideCharToMultiByte
CompareStringW

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

GetSystemDirectoryW
GetComputerNameExW
GetLocalTime
GetSystemTime
GetVersionExW

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

FileTimeToSystemTime
SystemTimeToFileTime

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

CryptSetProvParam
CryptEnumProvidersA
CryptDestroyHash
CryptGetHashParam
CryptHashData
CryptCreateHash
CryptGetProvParam

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

WriteConsoleW
GetConsoleOutputCP

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

GetEnvironmentVariableW
ExpandEnvironmentStringsW
GetStdHandle
GetCommandLineW
SearchPathW

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

GetLocaleInfoW
GetACP
FormatMessageW

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

RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegUnLoadKeyW
RegGetValueW
RegLoadKeyW
RegQueryValueExW
RegQueryInfoKeyW
RegOpenCurrentUser

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

CreateWellKnownSid
AllocateAndInitializeSid
DuplicateToken
CheckTokenMembership
FreeSid
EqualSid
GetTokenInformation
ImpersonateLoggedOnUser

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

CloseHandle

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

UnmapViewOfFile
CreateFileMappingW
MapViewOfFile

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
GetDateFormatW
GetTimeFormatW
GetTimeFormatA

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

SetEvent
InitializeCriticalSection
DeleteCriticalSection
LeaveCriticalSection
AcquireSRWLockExclusive
EnterCriticalSection
ReleaseSRWLockExclusive
CreateEventW
WaitForSingleObjectEx

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

OutputDebugStringA

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

GetProfileStringA

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

GetSystemDefaultUILanguage
GetUserDefaultUILanguage

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

StartServiceW
OpenSCManagerW
CloseServiceHandle
OpenServiceW

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

QueryServiceConfigW
ChangeServiceConfigW

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

ControlService

Sections

.text
Size: 379KB - Virtual size: 379KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 13KB - Virtual size: 12KB

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: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fefabdd9b02d7481e4e9e38683ee8030

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-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: 379KB - Virtual size: 379KB

.data Size: 8KB - Virtual size: 13KB

.idata Size: 13KB - Virtual size: 12KB

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

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

.reloc Size: 22KB - Virtual size: 22KB

.text
Size: 379KB - Virtual size: 379KB

.data
Size: 8KB - Virtual size: 13KB

.idata
Size: 13KB - Virtual size: 12KB

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

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

.reloc
Size: 22KB - Virtual size: 22KB