MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4b396874b63841713f83aecb7b3bf6e19b068f246c950cbdbb08bdafb394763. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



ConnectWise


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: d4b396874b63841713f83aecb7b3bf6e19b068f246c950cbdbb08bdafb394763
SHA3-384 hash: 2b99fa67935518bcb6d8c5ffb4c369c18e4f59b1231bb858bc7e8b0deebec81503f964d59fe32c54c2ea4298665684bb
SHA1 hash: a5f16f5f8d940ef9ad65dc41627b76ab8fea54a1
MD5 hash: d9cedcc0a854cdb03ab074c83256ee73
humanhash: sodium-uranus-coffee-tennis
File name:d4b396874b63841713f83aecb7b3bf6e19b068f246c950cbdbb08bdafb394763
Download: download sample
Signature ConnectWise
File size:86'304 bytes
First seen:2024-10-25 14:16:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7631a79a9071099fa4803e1c4c5df207 (83 x ConnectWise)
ssdeep 1536:+azWlKzJVcNp++yQNS6xNNCT2l8NE8llbpTaCJRpsWr6cdaQTJSvYYS7Q8x6sj:yFNpo6rIKlUE8fbkqRfbaQlaYYS6+
TLSH T1E2836C13B5D18475E8B30D3118B1D9B4993F7E124E548EAB2398427E0F352D1AE3AE7B
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter JAMESWT_WT
Tags:ConnectWise doc-sign-docsfinder-org exe signed wise-access-ly

Code Signing Certificate

Organisation:Connectwise, LLC
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-17T00:00:00Z
Valid to:2025-08-15T23:59:59Z
Serial number: 0b9360051bccf66642998998d5ba97ce
Intelligence: 444 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 82b4e7924d5bed84fb16ddf8391936eb301479cec707dc14e23bc22b8cdeae28
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
359
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d4b396874b63841713f83aecb7b3bf6e19b068f246c950cbdbb08bdafb394763
Verdict:
Malicious activity
Analysis date:
2024-10-25 14:18:38 UTC
Tags:
screenconnect remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Connectwise Exploit Dropper Click
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Searching for the window
Creating a file in the %AppData% subdirectories
Loading a suspicious library
Creating a file
Creating a service
Launching a service
Moving a recently created file
Creating a file in the system32 directory
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun for a service
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
microsoft_visual_cc
Verdict:
Malicious
Labled as:
RiskWare[RemoteAdmin]/ConnectWise
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
ConnectWise
Verdict:
Suspicious
Result
Threat name:
ScreenConnect Tool
Detection:
malicious
Classification:
evad
Score:
66 / 100
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Detected potential unwanted application
Enables network access during safeboot for specific services
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Reads the Security eventlog
Reads the System eventlog
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1542177 Sample: 28unTKrjKS.exe Startdate: 25/10/2024 Architecture: WINDOWS Score: 66 46 wise.access.ly 2->46 48 time.windows.com 2->48 50 4 other IPs or domains 2->50 58 Multi AV Scanner detection for submitted file 2->58 60 .NET source code references suspicious native API functions 2->60 62 Detected potential unwanted application 2->62 64 3 other signatures 2->64 9 28unTKrjKS.exe 2 2->9         started        11 ScreenConnect.ClientService.exe 2->11         started        14 svchost.exe 2->14         started        16 8 other processes 2->16 signatures3 process4 dnsIp5 19 dfsvc.exe 131 113 9->19         started        68 Reads the Security eventlog 11->68 70 Reads the System eventlog 11->70 23 ScreenConnect.WindowsClient.exe 11->23         started        72 Changes security center settings (notifications, updates, antivirus, firewall) 14->72 26 MpCmdRun.exe 14->26         started        44 127.0.0.1 unknown unknown 16->44 74 Query firmware table information (likely to detect VMs) 16->74 signatures6 process7 dnsIp8 52 doc-sign.docsfinder.org 103.35.190.119, 443, 49700, 49706 VECTANTARTERIANetworksCorporationJP Japan 19->52 36 C:\...\ScreenConnect.WindowsFileManager.exe, PE32 19->36 dropped 38 C:\Users\...\ScreenConnect.WindowsClient.exe, PE32 19->38 dropped 40 ScreenConnect.WindowsBackstageShell.exe, PE32 19->40 dropped 42 13 other files (none is malicious) 19->42 dropped 28 ScreenConnect.WindowsClient.exe 19 11 19->28         started        66 Contains functionality to hide user accounts 23->66 31 conhost.exe 26->31         started        file9 signatures10 process11 signatures12 76 Contains functionality to hide user accounts 28->76 33 ScreenConnect.ClientService.exe 28->33         started        process13 signatures14 54 Contains functionality to hide user accounts 33->54 56 Enables network access during safeboot for specific services 33->56
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-10-24 21:26:38 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
11 of 38 (28.95%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
admintool_screenconnect
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in System32 directory
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Manipulates Digital Signatures
Sets service image path in registry
Unpacked files
SH256 hash:
a665adf1acd014984b818f95699c2205e9e9f7cc10031d5fa52260154004ba9b
MD5 hash:
c7dd4bcf2bdb96e081db2941f13f8154
SHA1 hash:
d7044c4ef07e59cf5e304be00502ea8218cb9297
SH256 hash:
d4b396874b63841713f83aecb7b3bf6e19b068f246c950cbdbb08bdafb394763
MD5 hash:
d9cedcc0a854cdb03ab074c83256ee73
SHA1 hash:
a5f16f5f8d940ef9ad65dc41627b76ab8fea54a1
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect_CERT
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect) by (default) certificate. Review RMM Inventory
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertAddCertificateContextToStore
CRYPT32.dll::CertDeleteCertificateFromStore
CRYPT32.dll::CertFreeCertificateContext
CRYPT32.dll::CertOpenSystemStoreA

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