check_helper[.]exe[.]vir

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General

Target

check_helper.exe.vir
Size

1.3MB
MD5

87b5a10c6fc3f41db8757acb24e5674f
SHA1

647ae9909d2da5d93ab669b1c501dcc0a9af7e69
SHA256

c3a6508fde4db25dafa0c83b04a1d305256648f23d9c16cb962fb7e13423d55a
SHA512

5506a550224eb3f33907a069c68c9e8a7e4a5826c9cda0363bf7bd6a05d3105aab1cc7cedc020bf1f353ea64c098b4f356fde61f0fe0db7ecad3c9cf0154f887
SSDEEP

24576:vSyuGFXdf1hbzV4l1tX1yQkEN3Tts9ANCHhSEgzTsGaObq:vfFXdTmlbXKPHMDKO2

Score

1^/10

Malware Config

Signatures

Files

check_helper.exe.vir
.exe windows x64

339f5ea3023d86b9d347983c6ae07e9e

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

03:b4:bc:5e:e7:9d:84:2c:03:93:0b:86:19:ed:ea:e4
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

26/02/2021, 00:00

Not After

02/03/2022, 23:59

Subject

SERIALNUMBER=4969967,CN=Zoom Video Communications\, Inc.,O=Zoom Video Communications\, Inc.,L=San Jose,ST=California,C=US,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

03:b4:bc:5e:e7:9d:84:2c:03:93:0b:86:19:ed:ea:e4
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

26/02/2021, 00:00

Not After

02/03/2022, 23:59

Subject

SERIALNUMBER=4969967,CN=Zoom Video Communications\, Inc.,O=Zoom Video Communications\, Inc.,L=San Jose,ST=California,C=US,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

ac:1a:6f:2b:32:20:c5:2d:4b:d8:06:63:58:45:c8:e4:15:75:82:8d:7d:f1:1a:b4:df:4a:d4:98:b1:3b:55:f4
Signer

Actual PE Digest

ac:1a:6f:2b:32:20:c5:2d:4b:d8:06:63:58:45:c8:e4:15:75:82:8d:7d:f1:1a:b4:df:4a:d4:98:b1:3b:55:f4

Digest Algorithm

sha256

PE Digest Matches

false

17:ce:f8:91:39:b2:8d:85:1f:6d:ef:f5:86:5c:ee:8a:c4:14:d7:f1
Signer

Actual PE Digest

17:ce:f8:91:39:b2:8d:85:1f:6d:ef:f5:86:5c:ee:8a:c4:14:d7:f1

Digest Algorithm

sha1

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

CreateEventA
CreateProcessA
GetCurrentProcessId
GetProcAddress
CreateThread
GetSystemInfo
RaiseException
CloseHandle
HeapSize
DeleteFileW
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FlushFileBuffers
GetFullPathNameW
GetCurrentDirectoryW
SetEndOfFile
HeapReAlloc
GetTimeZoneInformation
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapAlloc
HeapFree
GetConsoleCP
ReadConsoleW
GetModuleFileNameW
ExitProcess
SetFilePointerEx
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetFileInformationByHandle
GetDriveTypeW
GetFileAttributesExW
SetStdHandle
GetModuleHandleExW
FreeLibraryAndExitThread
GetVersionExA
LoadLibraryA
GetCurrentThread
GetConsoleMode
MultiByteToWideChar
GetSystemDefaultLangID
GetModuleHandleA
GetCurrentThreadId
WaitForSingleObject
GetDynamicTimeZoneInformation
TerminateProcess
WriteFile
WriteConsoleA
GetStdHandle
SetConsoleTextAttribute
FindClose
ExitThread
RtlUnwind
GetLastError
GetCurrentProcess
SuspendThread
ResumeThread
GetThreadContext
SetThreadContext
FlushInstructionCache
VirtualAlloc
VirtualProtect
VirtualFree
VirtualQuery
VirtualProtectEx
VirtualQueryEx
SetLastError
FreeLibrary
GetModuleHandleW
LoadLibraryExW
WriteConsoleW
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WideCharToMultiByte
QueryPerformanceCounter
GetTickCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
QueryPerformanceFrequency
GetSystemDirectoryW
LoadLibraryW
GetEnvironmentVariableA
FormatMessageW
Sleep
MoveFileExW
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
WaitForSingleObjectEx
SleepEx
VerSetConditionMask
VerifyVersionInfoW
CreateFileW
GetFileSizeEx
InitializeSRWLock
TryAcquireSRWLockExclusive
GetExitCodeThread
RtlPcToFileHeader
EncodePointer
DecodePointer
LCMapStringEx
GetSystemTimeAsFileTime
GetStringTypeW
GetCPInfo
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
CreateEventW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
RtlUnwindEx
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetConsoleScreenBufferInfo

user32

MessageBoxW

ole32

CoTaskMemFree
CoUninitialize
CoTaskMemAlloc
CoInitialize

ws2_32

freeaddrinfo
getaddrinfo
listen
getsockname
accept
sendto
recvfrom
bind
socket
htons
inet_pton
WSACleanup
WSAIoctl
inet_ntop
WSASetLastError
ntohs
WSAGetLastError
closesocket
WSAWaitForMultipleEvents
WSAResetEvent
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
send
getsockopt
htonl
__WSAFDIsSet
select
connect
recv
setsockopt
getpeername
gethostname
ioctlsocket
WSAStartup

crypt32

PFXImportCertStore
CryptStringToBinaryW
CertFreeCertificateContext
CryptDecodeObjectEx
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore
CertFreeCertificateChain
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringW
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFindCertificateInStore

bcrypt

BCryptGenRandom

advapi32

CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextW

Sections

.text
Size: 928KB - Virtual size: 927KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 226KB - Virtual size: 226KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 17KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.detourc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.detourd
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 105KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

339f5ea3023d86b9d347983c6ae07e9e

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

03:b4:bc:5e:e7:9d:84:2c:03:93:0b:86:19:ed:ea:e4Certificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

03:b4:bc:5e:e7:9d:84:2c:03:93:0b:86:19:ed:ea:e4Certificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

ac:1a:6f:2b:32:20:c5:2d:4b:d8:06:63:58:45:c8:e4:15:75:82:8d:7d:f1:1a:b4:df:4a:d4:98:b1:3b:55:f4Signer

17:ce:f8:91:39:b2:8d:85:1f:6d:ef:f5:86:5c:ee:8a:c4:14:d7:f1Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ole32

ws2_32

crypt32

bcrypt

advapi32

Sections

.text Size: 928KB - Virtual size: 927KB

.rdata Size: 226KB - Virtual size: 226KB

.data Size: 17KB - Virtual size: 35KB

.pdata Size: 59KB - Virtual size: 58KB

.detourc Size: 8KB - Virtual size: 8KB

.detourd Size: 512B - Virtual size: 24B

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 105KB - Virtual size: 104KB

.reloc Size: 6KB - Virtual size: 6KB

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

03:b4:bc:5e:e7:9d:84:2c:03:93:0b:86:19:ed:ea:e4
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

03:b4:bc:5e:e7:9d:84:2c:03:93:0b:86:19:ed:ea:e4
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

ac:1a:6f:2b:32:20:c5:2d:4b:d8:06:63:58:45:c8:e4:15:75:82:8d:7d:f1:1a:b4:df:4a:d4:98:b1:3b:55:f4
Signer

17:ce:f8:91:39:b2:8d:85:1f:6d:ef:f5:86:5c:ee:8a:c4:14:d7:f1
Signer

.text
Size: 928KB - Virtual size: 927KB

.rdata
Size: 226KB - Virtual size: 226KB

.data
Size: 17KB - Virtual size: 35KB

.pdata
Size: 59KB - Virtual size: 58KB

.detourc
Size: 8KB - Virtual size: 8KB

.detourd
Size: 512B - Virtual size: 24B

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 105KB - Virtual size: 104KB

.reloc
Size: 6KB - Virtual size: 6KB