MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 999aacf57a4a9e52f99c9f255275a804c7e3e6407de78ee50d8d050f5eebd896. 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 17 File information Comments

SHA256 hash: 999aacf57a4a9e52f99c9f255275a804c7e3e6407de78ee50d8d050f5eebd896
SHA3-384 hash: 791d47f66e6d816330fc4d70019a9c70d8016840c63f7183c9295e9273c61a6a9eedd14debb98ed14836a9fee509f1ef
SHA1 hash: a6eec0af08979a242a0b31140fcb04825c060536
MD5 hash: 6c95d9bf7e45f9fd2e13cfd85179595f
humanhash: oranges-glucose-kitten-kilo
File name:999aacf57a4a9e52f99c9f255275a804c7e3e6407de78ee50d8d050f5eebd896
Download: download sample
Signature ConnectWise
File size:5'703'288 bytes
First seen:2025-06-11 08:45:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9771ee6344923fa220489ab01239bdfd (245 x ConnectWise)
ssdeep 98304:EzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:EhfefPtHxcp9ym3nltDUJV
Threatray 776 similar samples on MalwareBazaar
TLSH T1C246E003B3D695B6D07F0678D87A42A96B34BD04C311DBEB5394BA293E327C14E36366
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter JAMESWT_WT
Tags:45-8-125-163 ConnectWise exe signed

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 :
459
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
999aacf57a4a9e52f99c9f255275a804c7e3e6407de78ee50d8d050f5eebd896
Verdict:
Malicious activity
Analysis date:
2025-06-11 08:49:39 UTC
Tags:
screenconnect rmm-tool remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
connectwise dropper virus spawn
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
Modifying a system file
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a service
Launching a service
Creating a process from a recently created file
Searching for the window
Moving a file to the Windows subdirectory
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Possible injection to a system process
Enabling autorun with the shell\open\command registry branches
Enabling autorun
Enabling autorun for a service
Unauthorized injection to a recently created process
Verdict:
Malicious
Labled as:
RemoteAdmin.ConnectWiseControl
Malware family:
ScreenConnect Software
Verdict:
Suspicious
Result
Threat name:
ScreenConnect Tool
Detection:
malicious
Classification:
evad
Score:
46 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to hide user accounts
Detected potential unwanted application
Enables network access during safeboot for specific services
Joe Sandbox ML detected suspicious sample
Modifies security policies related information
Multi AV Scanner detection for submitted file
Possible COM Object hijacking
Reads the Security eventlog
Reads the System eventlog
Uses threadpools to delay analysis
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1712036 Sample: 5AMzj3AO68.exe Startdate: 11/06/2025 Architecture: WINDOWS Score: 46 56 Multi AV Scanner detection for submitted file 2->56 58 .NET source code contains potential unpacker 2->58 60 .NET source code references suspicious native API functions 2->60 62 5 other signatures 2->62 7 msiexec.exe 94 51 2->7         started        11 ScreenConnect.ClientService.exe 2 5 2->11         started        14 5AMzj3AO68.exe 6 2->14         started        process3 dnsIp4 34 ScreenConnect.Wind...dentialProvider.dll, PE32+ 7->34 dropped 36 C:\...\ScreenConnect.ClientService.exe, PE32 7->36 dropped 38 C:\Windows\Installer\MSIFF97.tmp, PE32 7->38 dropped 42 9 other files (none is malicious) 7->42 dropped 66 Enables network access during safeboot for specific services 7->66 68 Modifies security policies related information 7->68 16 msiexec.exe 7->16         started        18 msiexec.exe 1 7->18         started        20 msiexec.exe 7->20         started        54 45.8.125.163, 49691, 8041 SELECTELRU Russian Federation 11->54 70 Reads the Security eventlog 11->70 72 Reads the System eventlog 11->72 22 ScreenConnect.WindowsClient.exe 2 11->22         started        25 ScreenConnect.WindowsClient.exe 2 11->25         started        40 C:\Users\user\AppData\...\5AMzj3AO68.exe.log, ASCII 14->40 dropped 74 Contains functionality to hide user accounts 14->74 76 Uses threadpools to delay analysis 14->76 27 msiexec.exe 6 14->27         started        file5 signatures6 process7 file8 30 rundll32.exe 11 16->30         started        64 Contains functionality to hide user accounts 22->64 44 C:\Users\user\AppData\Local\...\MSIF3DD.tmp, PE32 27->44 dropped signatures9 process10 file11 46 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 30->46 dropped 48 C:\...\ScreenConnect.InstallerActions.dll, PE32 30->48 dropped 50 C:\Users\user\...\ScreenConnect.Core.dll, PE32 30->50 dropped 52 4 other files (none is malicious) 30->52 dropped 78 Contains functionality to hide user accounts 30->78 signatures12
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-05-24 06:42:00 UTC
File Type:
PE (Exe)
Extracted files:
174
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation
Behaviour
Modifies data under HKEY_USERS
Modifies registry class
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
Executes dropped EXE
Loads dropped DLL
Boot or Logon Autostart Execution: Authentication Package
Checks computer location settings
Drops file in System32 directory
Event Triggered Execution: Component Object Model Hijacking
Enumerates connected drives
Sets service image path in registry
Unpacked files
SH256 hash:
999aacf57a4a9e52f99c9f255275a804c7e3e6407de78ee50d8d050f5eebd896
MD5 hash:
6c95d9bf7e45f9fd2e13cfd85179595f
SHA1 hash:
a6eec0af08979a242a0b31140fcb04825c060536
SH256 hash:
8a55c15cc76e31042e17458c479772aa95bc1b908016c85b1dc8b8e3eff23254
MD5 hash:
decb1fd20d75e6eade9289cc24605f29
SHA1 hash:
5169602d641c4f2ebd9ca0639622949e00c25566
SH256 hash:
289a4eea79baa4141744e44d60db713e18b5f23322663c63047962f51b467614
MD5 hash:
48979a1a6d3badea8124bce04b1e01a5
SHA1 hash:
06931bd96343ce167eda796112a30ca8d9fa536a
SH256 hash:
4adedcd57d2316469f0f770bbe27cbc2cc2ee17a2afa1b0dd5c5035b276cbc64
MD5 hash:
f9413637acdc0b26c7ce26fe95350ce5
SHA1 hash:
38c7e4e3105191573f4fbd2ef5e43ae8fd0b1fc1
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
SH256 hash:
da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
MD5 hash:
94216eb90ca53fbb175f0ee6adbfb663
SHA1 hash:
48038f060a5042ff44a2d9a9be46368ecc8436fd
Detections:
SUSP_NET_Shellcode_Loader_Indicators_Jan24 INDICATOR_RMM_ConnectWise_ScreenConnect
SH256 hash:
8e7783dec955ee271d9d79c305a90dce1b4f2522948d4fe343fa63df7e37854d
MD5 hash:
f28a1bd8565a229baa2eed3a4188c4b2
SHA1 hash:
7496d48f61bd9ec47680eb804077b65f2175107d
SH256 hash:
51e442597ef389409903f7aaa32cfbf5b2ac51b843b8cd8302e5d90c94f11c06
MD5 hash:
cae02d9b0cb3071f65cb917c976aedc7
SHA1 hash:
7f8a5f60362dc888da4b2667837ddf9c65797e4b
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
SH256 hash:
19ac323ca6eae2f8145cdc2bac865b32cd5a48ad6ff199d4ca7da214b056e1dc
MD5 hash:
5fb6074b08ac4709cf2f29fa5b49023e
SHA1 hash:
8bbb78a47c08867c50572f0bd2a27171f91e0454
SH256 hash:
ad6062215032ab58369403b1221562b5e7fb5ae7d52b29b7fad69eefb2d8455b
MD5 hash:
723f2aaeeda1d2bb2f49322da349ffc9
SHA1 hash:
ac6ab994beaff69adf8a2dc480a8a628175ff6c8
SH256 hash:
9342c7be8036a5f8dc3895d75e3314dce961fd3bc70ee59928c67fa04f0c7e08
MD5 hash:
5419ff27205d3e5affa3fc18b811b843
SHA1 hash:
cf49072c50456381cd26cd32cb97606c5f5cfd26
SH256 hash:
e84dfe0b660f1698d83b0ee959c1b228eb51e2d5cbee90fcc2fe987a6fe08441
MD5 hash:
9de128d686e0979814b03bf08c68f4d9
SHA1 hash:
f865baae13625d58407beaf87b78a65f7167506f
SH256 hash:
b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
MD5 hash:
1db8b9fa0bdcbfaab807f715c288c19a
SHA1 hash:
fde73710ce063bbf1e377c02a1a8615cf4da1c08
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
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:abused_screenconnect_config
Author:Ariel Davidpur (arield9)
Description:Detect ScreenConnect EXEs with suspicious host in ?h= parameter
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:growtopia
Author:Michelle Khalil
Description:This rule detects unpacked growtopia stealer malware samples.
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_rat_generic
Author:Reedus0
Description:Rule for detecting generic RAT malware
Rule name:win_stealer_generic
Author:Reedus0
Description:Rule for detecting generic stealer malware

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
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