support[.]client[.]exe

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General

Target
support.client.exe
Size 83KB
Sample260820-pf4teazvcs
SHA256 1da3b9d89c8932b5597e752fe1468ebe236d21328a2453769624f69becf05656
MD5 2f6b5f2fd13471519adb8d74b0715479
SHA1 006c04308a62f31a603460c2687eccd9f391fc98
SHA512 3b7083f93dd1012af40f3a613082d9e8709ae3c7b803f693aa2066a650d8395672b366578832aef3d49ba3ece452e05ea88c9be3957cb43b39e0eae75e4f3c7b
SSDEEP 1536:LoG6KpY6Qi3yj2wyq4HwiMO10HVLCJRpsWr6cdaWPBJYY179fJn:lenkyfPAwiMq0RqRfbaWZJYY13n
TLSH
T18A836C43B5D184B5E9720E3118B1D9F4593FBE110E648EAB3398426E0F352D19E3AE7B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

revoked_codesign

Malware Config

Signatures

Revoked Certificate in Chain 1 IoCs

One or more certificates in the signing chain have been revoked, indicating potential compromise.

revoked_codesign

resource
support.client.exe

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

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
support.client.exe

File Explorer

support.client.exe

.exe 83KB

support.client.exe

IMPHASH 37d5c89163970dd3cc69230538a1b72b
SHA256 1da3b9d89c8932b5597e752fe1468ebe236d21328a2453769624f69becf05656
MD5 2f6b5f2fd13471519adb8d74b0715479
SHA1 006c04308a62f31a603460c2687eccd9f391fc98
SHA512 3b7083f93dd1012af40f3a613082d9e8709ae3c7b803f693aa2066a650d8395672b366578832aef3d49ba3ece452e05ea88c9be3957cb43b39e0eae75e4f3c7b
SSDEEP 1536:LoG6KpY6Qi3yj2wyq4HwiMO10HVLCJRpsWr6cdaWPBJYY179fJn:lenkyfPAwiMq0RqRfbaWZJYY13n
TLSH
T18A836C43B5D184B5E9720E3118B1D9F4593FBE110E648EAB3398426E0F352D19E3AE7B
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

Revoked Certificate in Chain

One or more certificates in the signing chain have been revoked, indicating potential compromise.

revoked_codesign
Signed with revoked ConnectWise certificate

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

revoked_codesign
Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

a3:3a:41:be:94:c4:6a:7b:51:af:e2:7c:4c:fc:00:03:89:1f:6c:21:6a:54:df:c1:35:1f:d3:13:b0:3c:c8:e1

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

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

Chains

Oct 28, 2024

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

PE Signature issue

Digest

a3:3a:41:be:94:c4:6a:7b:51:af:e2:7c:4c:fc:00:03:89:1f:6c:21:6a:54:df:c1:35:1f:d3:13:b0:3c:c8:e1

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=CloudFlare Origin Certificate,OU=CloudFlare Origin CA,O=CloudFlare\, Inc.

Chains

Aug 14, 2026

CN=CloudFlare Origin Certificate,OU=CloudFlare Origin CA,O=CloudFlare\, Inc.

Subject

CN=CloudFlare Origin Certificate,OU=CloudFlare Origin CA,O=CloudFlare\, Inc.

Serial Number

5f:bd:24:2c:b0:a6:81:2a:0d:db:14:e6:20:04:22:b1:fd:0f:d7:d7

Issuer

OU=CloudFlare Origin SSL Certificate Authority,O=CloudFlare\, Inc.,L=San Francisco,ST=California,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageKeyEncipherment

Ext Key Usages

ExtKeyUsageClientAuth, ExtKeyUsageServerAuth

Revocation Status

Not revoked

Timespan

Aug 7, 2026 - Aug 3, 2041

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

Revocation Status

Not revoked

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

Revocation Status

Revoked

Revocation Date

Aug 17, 2022

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

Revocation Status

Not revoked

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

Revocation Status

Not revoked

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

Revocation Status

Not revoked

Timespan

Aug 1, 2022 - Nov 9, 2031

Minor OS version

Major OS version

Entry point

5257

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 RtlUnwind GetLastError SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary LoadLibraryExW RaiseException GetStdHandle WriteFile GetModuleFileNameA MultiByteToWideChar WideCharToMultiByte ExitProcess GetModuleHandleExW GetACP CloseHandle HeapAlloc HeapFree FindClose FindFirstFileExA FindNextFileA IsValidCodePage GetOEMCP GetCPInfo GetCommandLineA GetCommandLineW GetEnvironmentStringsW FreeEnvironmentStringsW LCMapStringW SetStdHandle GetFileType GetStringTypeW GetProcessHeap 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

PE Signature issue

PE Signature issue

kernel32

crypt32

generic