support[.]client[.]exe

General

Target
support.client.exe
Size 305KB
Sample261027-hpykesssaz
SHA256 92a6bd338a7859ddbcaca4a61710b5a992d052fd901109e0e1f81d6844b839fc
MD5 3a6f80c0e367a6918cd2687cb340248b
SHA1 4174ce766aab62082758e550084b17785318b349
SHA512 722380f8c123f3f85112c3828ead320bc228748ac8f99abb86d9d34f0ee66ea229ed242402817bf6365d45ed398d236829eadd92565b0b5508471fd42a5ec664
SSDEEP 6144:KmlfAgiw7Op5ryNkS7Z12wvtGVG3iVt8eZ1u2J/xFji96:51iw7gryNkSV1hy1Z1u2JLu96
TLSH
T17A646C11B9C48432C673383147B4E2B28DBDB8302D655B8F57A81D7A9F741D0EA29B6F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

revoked_codesign

Malware Config

Signatures

Signed with revoked ConnectWise certificate 1 IoCs

Binary is signed using a ConnectWise certificate revoked for key compromise.

revoked_codesign

resource	yara_rule
sample	revoked_cert_connectwise

File Explorer

support.client.exe

.exe 305KB

support.client.exe

IMPHASH c2fe6927e1db8cf00400dbef9e5d35be
SHA256 92a6bd338a7859ddbcaca4a61710b5a992d052fd901109e0e1f81d6844b839fc
MD5 3a6f80c0e367a6918cd2687cb340248b
SHA1 4174ce766aab62082758e550084b17785318b349
SHA512 722380f8c123f3f85112c3828ead320bc228748ac8f99abb86d9d34f0ee66ea229ed242402817bf6365d45ed398d236829eadd92565b0b5508471fd42a5ec664
SSDEEP 6144:KmlfAgiw7Op5ryNkS7Z12wvtGVG3iVt8eZ1u2J/xFji96:51iw7gryNkSV1hy1Z1u2JLu96
TLSH
T17A646C11B9C48432C673383147B4E2B28DBDB8302D655B8F57A81D7A9F741D0EA29B6F
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

Signed with revoked ConnectWise certificate

Binary is signed using a ConnectWise certificate revoked for key compromise.

revoked_codesign

Digest

63:86:a6:86:ad:22:06:dc:c3:1e:a1:d7:5b:f8:7e:54:ca:a3:96:01:9d:31:0b:0b:71:21:9b:5d:9f:bc:f7:1e

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=Connectwise\, LLC,O=Connectwise\, LLC,L=Tampa,ST=Florida,C=US

Chains

Apr 8, 2025

CN=Connectwise\, LLC,O=Connectwise\, LLC,L=Tampa,ST=Florida,C=US

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=Connectwise\, LLC,O=Connectwise\, LLC,L=Tampa,ST=Florida,C=US

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

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

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Serial Number

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Apr 29, 2021 - Apr 28, 2036

Subject

CN=Connectwise\, LLC,O=Connectwise\, LLC,L=Tampa,ST=Florida,C=US

Serial Number

0b:93:60:05:1b:cc:f6:66:42:99:89:98:d5:ba:97:ce

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Aug 17, 2022 - Aug 15, 2025

Subject

CN=DigiCert Timestamp 2024,O=DigiCert,C=US

Serial Number

0b:ae:66:bc:5a:ba:7f:95:87:c6:f9:e9:04:e3:33:04

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Sep 26, 2024 - Nov 25, 2035

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Serial Number

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 23, 2022 - Mar 22, 2037

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Aug 1, 2022 - Nov 9, 2031

Minor OS version

1

Major OS version

5

Entry point

5426

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

C:\builds\cc\cwcontrol\Product\ClickOnceRunner\Release\ClickOnceRunner.pdb

kernel32

LocalFree GetProcAddress LoadLibraryA Sleep LocalAlloc GetModuleFileNameW DecodePointer UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent GetStartupInfoW GetModuleHandleW InterlockedPushEntrySList InterlockedFlushSList RtlUnwind GetLastError SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary LoadLibraryExW EncodePointer RaiseException GetStdHandle WriteFile GetModuleFileNameA MultiByteToWideChar WideCharToMultiByte ExitProcess GetModuleHandleExW GetACP GetCurrentThread OutputDebugStringA OutputDebugStringW CloseHandle WaitForSingleObjectEx CreateThread HeapAlloc HeapFree FindClose FindFirstFileExA FindFirstFileExW FindNextFileA FindNextFileW IsValidCodePage GetOEMCP GetCPInfo GetCommandLineA GetCommandLineW GetEnvironmentStringsW FreeEnvironmentStringsW SetEnvironmentVariableA SetEnvironmentVariableW GetDateFormatW GetTimeFormatW CompareStringW LCMapStringW GetLocaleInfoW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW SetStdHandle GetFileType GetStringTypeW GetProcessHeap SetConsoleCtrlHandler HeapSize HeapReAlloc FlushFileBuffers GetConsoleCP GetConsoleMode SetFilePointerEx WriteConsoleW CreateFileW

crypt32

CertDeleteCertificateFromStore CryptMsgGetParam CertCloseStore CryptQueryObject CertAddCertificateContextToStore CertFindAttribute CertFreeCertificateContext CertCreateCertificateContext CertOpenSystemStoreA

Sharing

General

Malware Config

Signatures

File Explorer

support.client.exe

kernel32

crypt32

generic