MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e81851729d58f321bb83bdb03200f62bc5ee56e0703b2d609a3923a033d5b53. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash: 4e81851729d58f321bb83bdb03200f62bc5ee56e0703b2d609a3923a033d5b53
SHA3-384 hash: da3be4e459c79eb0b6c80d7d1c0f78d44b84b2a83dba2915d8b6945eb39f47621c1acc4088f47226d017b36847570f4b
SHA1 hash: 51496e2d591117c094e163985b274e6ef947044c
MD5 hash: 0ed9b8e9f9b85a6af4946510f9299ff5
humanhash: burger-august-arkansas-don
File name:4e81851729d58f321bb83bdb03200f62bc5ee56e0703b2d609a3923a033d5b53
Download: download sample
Signature ConnectWise
File size:5'466'696 bytes
First seen:2024-08-14 03:42:52 UTC
Last seen:2024-08-14 04:56:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9771ee6344923fa220489ab01239bdfd (239 x ConnectWise)
ssdeep 98304:5ps6efPfBOPvLtabi4X0MV+dYdcGt7VIb4:zfefPJws3V+a
Threatray 66 similar samples on MalwareBazaar
TLSH T1DC46F001F3D695B5C5BF1578D87A96669734BC048312C7BF63D0BA692D32BC08E327A2
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e08402c4e48280e0 (1 x ConnectWise, 1 x NetSupport)
Reporter JAMESWT_WT
Tags:79-110-49-157 ConnectWise exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
385
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4e81851729d58f321bb83bdb03200f62bc5ee56e0703b2d609a3923a033d5b53
Verdict:
Malicious activity
Analysis date:
2024-08-14 03:44:07 UTC
Tags:
screenconnect remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Encryption Network Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Launching a process
Creating a file
Creating a window
Searching for synchronization primitives
Loading a suspicious library
Launching a service
Modifying a system file
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a service
Creating a process from a recently created file
DNS request
Moving a file to the Windows subdirectory
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Possible injection to a system process
Enabling autorun with the shell\open\command registry branches
Enabling autorun for a service
Unauthorized injection to a recently created process
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:
88 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to hide user accounts
Creates files in the system32 config directory
Enables network access during safeboot for specific services
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Reads the Security eventlog
Reads the System eventlog
Sigma detected: Remote Access Tool - ScreenConnect Suspicious Execution
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1492627 Sample: dNLF3t64iU.exe Startdate: 14/08/2024 Architecture: WINDOWS Score: 88 55 poyttwq.zapto.org 2->55 65 Multi AV Scanner detection for dropped file 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 .NET source code contains potential unpacker 2->69 71 3 other signatures 2->71 8 ScreenConnect.ClientService.exe 2 5 2->8         started        12 msiexec.exe 92 49 2->12         started        15 dNLF3t64iU.exe 5 2->15         started        signatures3 process4 dnsIp5 57 poyttwq.zapto.org 79.110.49.157, 49705, 8041 OTAVANET-ASCZ Germany 8->57 73 Reads the Security eventlog 8->73 75 Reads the System eventlog 8->75 17 ScreenConnect.WindowsClient.exe 3 8->17         started        20 ScreenConnect.WindowsClient.exe 2 8->20         started        35 C:\...\ScreenConnect.WindowsClient.exe, PE32 12->35 dropped 37 C:\...\ScreenConnect.ClientService.exe, PE32 12->37 dropped 39 C:\...\ScreenConnect.WindowsClient.exe.config, XML 12->39 dropped 43 9 other files (none is malicious) 12->43 dropped 77 Enables network access during safeboot for specific services 12->77 22 msiexec.exe 12->22         started        24 msiexec.exe 1 12->24         started        26 msiexec.exe 12->26         started        41 C:\Users\user\AppData\...\dNLF3t64iU.exe.log, CSV 15->41 dropped 79 Contains functionality to hide user accounts 15->79 28 msiexec.exe 6 15->28         started        file6 signatures7 process8 file9 61 Creates files in the system32 config directory 17->61 63 Contains functionality to hide user accounts 17->63 31 rundll32.exe 8 22->31         started        45 C:\Users\user\AppData\Local\...\MSI82C2.tmp, PE32 28->45 dropped signatures10 process11 file12 47 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 31->47 dropped 49 C:\...\ScreenConnect.InstallerActions.dll, PE32 31->49 dropped 51 C:\Users\user\...\ScreenConnect.Core.dll, PE32 31->51 dropped 53 Microsoft.Deployme...indowsInstaller.dll, PE32 31->53 dropped 59 Contains functionality to hide user accounts 31->59 signatures13
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-08-12 08:34:26 UTC
File Type:
PE (Exe)
Extracted files:
170
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Enumerates connected drives
Checks computer location settings
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
Sets service image path in registry
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b5f144f53b76b4fabde1415d2e6957407d7c6807659a3d112f2a95c886e4e6ce
MD5 hash:
9ddea777526ab76c6f5fba0401a1749a
SHA1 hash:
c9916503f5f075fb67c1f1c7fcc7f62ba3a89de7
SH256 hash:
19ac323ca6eae2f8145cdc2bac865b32cd5a48ad6ff199d4ca7da214b056e1dc
MD5 hash:
5fb6074b08ac4709cf2f29fa5b49023e
SHA1 hash:
8bbb78a47c08867c50572f0bd2a27171f91e0454
SH256 hash:
150dd6f9503f51c05ea6dc013656a3060c8ee2e3f14f09952aec5f458a04eceb
MD5 hash:
9e4e844b9d80172bfbb6c9f01b7b0bdc
SHA1 hash:
2fa96a684bf3345843d447ae5132c22999bb4e0d
SH256 hash:
289a4eea79baa4141744e44d60db713e18b5f23322663c63047962f51b467614
MD5 hash:
48979a1a6d3badea8124bce04b1e01a5
SHA1 hash:
06931bd96343ce167eda796112a30ca8d9fa536a
SH256 hash:
ad6062215032ab58369403b1221562b5e7fb5ae7d52b29b7fad69eefb2d8455b
MD5 hash:
723f2aaeeda1d2bb2f49322da349ffc9
SHA1 hash:
ac6ab994beaff69adf8a2dc480a8a628175ff6c8
SH256 hash:
8a55c15cc76e31042e17458c479772aa95bc1b908016c85b1dc8b8e3eff23254
MD5 hash:
decb1fd20d75e6eade9289cc24605f29
SHA1 hash:
5169602d641c4f2ebd9ca0639622949e00c25566
SH256 hash:
9342c7be8036a5f8dc3895d75e3314dce961fd3bc70ee59928c67fa04f0c7e08
MD5 hash:
5419ff27205d3e5affa3fc18b811b843
SHA1 hash:
cf49072c50456381cd26cd32cb97606c5f5cfd26
SH256 hash:
4e81851729d58f321bb83bdb03200f62bc5ee56e0703b2d609a3923a033d5b53
MD5 hash:
0ed9b8e9f9b85a6af4946510f9299ff5
SHA1 hash:
51496e2d591117c094e163985b274e6ef947044c
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_EXE_DotNET_Encrypted
Author:ditekSHen
Description:Detects encrypted or obfuscated .NET executables
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect). Review RMM Inventory
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect_CERT
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect) by (default) certificate. Review RMM Inventory
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
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::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments