ScreenConnect[.]ClientSetup[.]exe

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.4MB
Sample260916-zzxvbawalg
SHA256 0705daac7dbdb5c3814088256e6d4e45e844b35b183c6cd50b9595384fb44276
MD5 d5cc7b147872ddc22f9c23674ef541a5
SHA1 78a9fb9210fa3be3554b78ac18cdffed157ef4b8
SHA512 0ea7d35cc9d8156631071c7a2ab1b194cf72be446137462536830cbc313803365f13694645ba1bf721f8f969b36f92992e06e276761fe35142064ac1ee98f6d8
SSDEEP 98304:FzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:FhfefPtHxcp9ym3nltDUJV
TLSH
T1A746E101B3E695B6D1BF1638D87A52656634BC049316CBBF5394BD392E33BC04E323A6
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One or more certificates in the signing chain have been revoked, indicating potential compromise.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
ScreenConnect.ClientSetup.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

Authenticode certificate stuffing 1 IoCs

Suspicious unauthenticated attributes present in the Authenticode signature.

resource
ScreenConnect.ClientSetup.exe

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
ScreenConnect.ClientSetup.exe

File Explorer

ScreenConnect.ClientSetup.exe

.exe 5.4MB

ScreenConnect.ClientSetup.exe

IMPHASH 9771ee6344923fa220489ab01239bdfd
SHA256 0705daac7dbdb5c3814088256e6d4e45e844b35b183c6cd50b9595384fb44276
MD5 d5cc7b147872ddc22f9c23674ef541a5
SHA1 78a9fb9210fa3be3554b78ac18cdffed157ef4b8
SHA512 0ea7d35cc9d8156631071c7a2ab1b194cf72be446137462536830cbc313803365f13694645ba1bf721f8f969b36f92992e06e276761fe35142064ac1ee98f6d8
SSDEEP 98304:FzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:FhfefPtHxcp9ym3nltDUJV
TLSH
T1A746E101B3E695B6D1BF1638D87A52656634BC049316CBBF5394BD392E33BC04E323A6
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One or more certificates in the signing chain have been revoked, indicating potential compromise.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
Authenticode certificate stuffing

Suspicious unauthenticated attributes present in the Authenticode signature.
Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

1b:f1:1c:70:90:06:1c:55:6d:c5:32:e7:ab:6d:09:02:24:96:63:77:13:b1:fb:3f:57:44:46:67:04:b3:e7:39

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not 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

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

5293

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:\Users\jmorgan\Source\cwcontrol\Custom\DotNetRunner\Release\DotNetRunner.pdb

mscoree

CorBindToRuntimeEx

kernel32

GetModuleFileNameA DecodePointer SizeofResource LockResource LoadLibraryW LoadResource FindResourceW GetProcAddress WriteConsoleW SetFilePointerEx GetConsoleMode GetConsoleCP FlushFileBuffers HeapReAlloc HeapSize UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent GetStartupInfoW GetModuleHandleW RtlUnwind GetLastError SetLastError EncodePointer EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary LoadLibraryExW RaiseException GetStdHandle WriteFile CreateFileW MultiByteToWideChar WideCharToMultiByte ExitProcess GetModuleHandleExW GetACP CloseHandle HeapAlloc HeapFree FindClose FindFirstFileExA FindNextFileA IsValidCodePage GetOEMCP GetCPInfo GetCommandLineA GetCommandLineW GetEnvironmentStringsW FreeEnvironmentStringsW LCMapStringW SetStdHandle GetFileType GetStringTypeW GetProcessHeap

oleaut32

VariantInit SafeArrayUnaccessData SafeArrayCreateVector SafeArrayDestroy VariantClear SafeArrayAccessData

Sharing

General

Malware Config

Signatures

File Explorer

ScreenConnect.ClientSetup.exe

PE Signature issue

mscoree

kernel32

oleaut32

generic