MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b
SHA3-384 hash: ec002a00c071e7913a8793716e3f2b1de45e2d948c747bf9fd2b147c3290ec434b8e87804e5b15d6e8d4f75947f257f5
SHA1 hash: f524eeeb2c9c20d9f1ef8fb4734a85f3daa9b6fb
MD5 hash: a1afebafe5a7598cef0ef8f348d49996
humanhash: washington-romeo-carpet-pizza
File name:ZoomWorkspace.ClientSetup.exe
Download: download sample
Signature ConnectWise
Create hunting rule
File size:5'786'848 bytes
First seen:2025-05-12 23:20:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9771ee6344923fa220489ab01239bdfd (243 x ConnectWise)
ssdeep 98304:qv8s6efPOrJJNr2uTvY8vYEoQTJ9GGPrQZU/MgLLLLw:/fefPOrJH2ulvYPQTJY
TLSH T1F046F011B3D695B9D5BF0638D87A42A95774BC048316C7FF5390BD296E32BC08E323A6
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 skocherhan
Tags: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


Avatar
skocherhan
https://invitezoom-us.com/s/Windows/invite.php
https://invitezoom-us.com/s/Windows/ZoomWorkspace.ClientSetup.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
679
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
connectwise
Create hunting rule
ID:
1
File name:
ZoomWorkspace.ClientSetup.exe
Verdict:
Malicious activity
Analysis date:
2025-05-12 23:22:31 UTC
Tags:
connectwise rmm-tool screenconnect remote
Link:
https://app.any.run/tasks/19d270ae-9f84-47ae-9848-4121c97c2fb3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29065.SC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Siggen26.37800.12014.29258.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682283684a59e5a2ce04164e
Tags:
connectwise shellcode dropper spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
DNS request
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
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd fingerprint lolbin lolbin microsoft_visual_cc msiexec net obfuscated overlay packed packed packer_detected reconnaissance rundll32 signed
Link:
https://www.filescan.io/uploads/682282690b64e174c423f58d/reports/6f49b14e-063a-4df3-af89-e6d3c4dc6f18/overview
Verdict:
Malicious
Labled as:
RemoteAdmin.ConnectWiseControl
Link:
https://www.hybrid-analysis.com/sample/b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b
Malware family:
ScreenConnect Software
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/641e11ae-6b0a-488d-add0-1adcabfdac91
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
46 / 100
Link:
https://www.joesandbox.com/analysis/1688481
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1688481 Sample: ZoomWorkspace.ClientSetup.exe Startdate: 13/05/2025 Architecture: WINDOWS Score: 46 61 qnab1na.anondns.net 2->61 67 Multi AV Scanner detection for submitted file 2->67 69 .NET source code contains potential unpacker 2->69 71 .NET source code references suspicious native API functions 2->71 73 4 other signatures 2->73 8 msiexec.exe 94 51 2->8         started        12 ScreenConnect.ClientService.exe 2 5 2->12         started        15 ZoomWorkspace.ClientSetup.exe 6 2->15         started        17 7 other processes 2->17 signatures3 process4 dnsIp5 49 ScreenConnect.Wind...dentialProvider.dll, PE32+ 8->49 dropped 51 C:\...\ScreenConnect.ClientService.exe, PE32 8->51 dropped 53 C:\Windows\Installer\MSIAF18.tmp, PE32 8->53 dropped 57 9 other files (none is malicious) 8->57 dropped 77 Enables network access during safeboot for specific services 8->77 79 Modifies security policies related information 8->79 19 msiexec.exe 8->19         started        21 msiexec.exe 1 8->21         started        23 msiexec.exe 8->23         started        63 qnab1na.anondns.net 80.76.49.19, 49718, 8041 CLOUDCOMPUTINGDE Bulgaria 12->63 81 Reads the Security eventlog 12->81 83 Reads the System eventlog 12->83 25 ScreenConnect.WindowsClient.exe 2 12->25         started        28 ScreenConnect.WindowsClient.exe 12->28         started        55 C:\...\ZoomWorkspace.ClientSetup.exe.log, ASCII 15->55 dropped 85 Contains functionality to hide user accounts 15->85 30 msiexec.exe 6 15->30         started        65 127.0.0.1 unknown unknown 17->65 87 Changes security center settings (notifications, updates, antivirus, firewall) 17->87 33 MpCmdRun.exe 17->33         started        file6 signatures7 process8 file9 35 rundll32.exe 11 19->35         started        89 Contains functionality to hide user accounts 25->89 59 C:\Users\user\AppData\Local\...\MSIA3BC.tmp, PE32 30->59 dropped 39 conhost.exe 33->39         started        signatures10 process11 file12 41 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 35->41 dropped 43 C:\...\ScreenConnect.InstallerActions.dll, PE32 35->43 dropped 45 C:\Users\user\...\ScreenConnect.Core.dll, PE32 35->45 dropped 47 4 other files (none is malicious) 35->47 dropped 75 Contains functionality to hide user accounts 35->75 signatures13
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xatfc6czuhwvhy2mezuoa2dixwdibvjmtl3d7dq4s5wrh56ygfnq._file
Verdict:
malicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
error
ConnectWise
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250512-3b4jqsym18/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4314db17-2e1c-489f-9d8b-b21fc1cd2380
Unpacked files
SH256 hash:
b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b
MD5 hash:
a1afebafe5a7598cef0ef8f348d49996
SHA1 hash:
f524eeeb2c9c20d9f1ef8fb4734a85f3daa9b6fb
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
SH256 hash:
8a55c15cc76e31042e17458c479772aa95bc1b908016c85b1dc8b8e3eff23254
MD5 hash:
decb1fd20d75e6eade9289cc24605f29
SHA1 hash:
5169602d641c4f2ebd9ca0639622949e00c25566
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
SH256 hash:
289a4eea79baa4141744e44d60db713e18b5f23322663c63047962f51b467614
MD5 hash:
48979a1a6d3badea8124bce04b1e01a5
SHA1 hash:
06931bd96343ce167eda796112a30ca8d9fa536a
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
SH256 hash:
d32caf12298a7a901d086613f01e2e6aeaa2aae88b5ced85c1eb7a9e381d4679
MD5 hash:
639dad6cb322f7b58655a5aabb298cf9
SHA1 hash:
07a9bb0186c371c785367d1c717df66d4899f8d9
Detections:
SUSP_NET_Shellcode_Loader_Indicators_Jan24
Create hunting rule
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
Parent samples :
1de1b9eb516a1e570b7137ee18388529773242353b2a14d9c8397de25ede0606
b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b
SH256 hash:
0d7aa9fe84fce93c6c791a8465026400906cb6abf6a7273d1595893e144c82fe
MD5 hash:
39230307a35e3391f44779a9db493243
SHA1 hash:
4217020b0585c3144f3c2ec281d2825fa458f25f
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
SH256 hash:
256b969cb85677e3e88f840496f7be1e1f7378aa09b3e10f0a609f358db05580
MD5 hash:
2d05c1a78226d3b72fd602c8172419f8
SHA1 hash:
6f753dd74ed644ae55010051e68a6f38af9941ac
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
SH256 hash:
96a959e683f473182864758c075f8de50254126afa0b246b6a94dcb709e1d0dd
MD5 hash:
47844cbd0080cdb251bde5259c5ff7f8
SHA1 hash:
7176c3b1752914f80e37606dc8579a33a40817af
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
SH256 hash:
bad7685664095300656abba7f73203c23d0d456807d3d0635736c1c98d489326
MD5 hash:
72eb1d3b598a12504f2a66ed9f5de828
SHA1 hash:
774bff4b69b84f9f5fbfd7733eecabb3f9d68416
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
Parent samples :
1de1b9eb516a1e570b7137ee18388529773242353b2a14d9c8397de25ede0606
b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b
SH256 hash:
19ac323ca6eae2f8145cdc2bac865b32cd5a48ad6ff199d4ca7da214b056e1dc
MD5 hash:
5fb6074b08ac4709cf2f29fa5b49023e
SHA1 hash:
8bbb78a47c08867c50572f0bd2a27171f91e0454
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
SH256 hash:
139f7cdc5753234c93f58b7bdeeba05284d5739719f04b6f2faa887808b69e17
MD5 hash:
2a745ad980d4ea46e9c2b2deec0ebe4d
SHA1 hash:
9d148d5c482fee369a3190178f0851d685ca68c9
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
Parent samples :
1de1b9eb516a1e570b7137ee18388529773242353b2a14d9c8397de25ede0606
b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b
SH256 hash:
ad6062215032ab58369403b1221562b5e7fb5ae7d52b29b7fad69eefb2d8455b
MD5 hash:
723f2aaeeda1d2bb2f49322da349ffc9
SHA1 hash:
ac6ab994beaff69adf8a2dc480a8a628175ff6c8
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
SH256 hash:
9342c7be8036a5f8dc3895d75e3314dce961fd3bc70ee59928c67fa04f0c7e08
MD5 hash:
5419ff27205d3e5affa3fc18b811b843
SHA1 hash:
cf49072c50456381cd26cd32cb97606c5f5cfd26
Link:
https://www.unpac.me/results/997888d8-62eb-496f-9bb4-771b11251d98/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b826517859a1ed53e34c2668e06868bd8680d52c9af63f8e1c976d13f7d8315b

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_DotNET_Encrypted
Create hunting rule
Author:ditekSHen
Description:Detects encrypted or obfuscated .NET executables
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect). Review RMM Inventory
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect_CERT
Create hunting rule
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect) by (default) certificate. Review RMM Inventory
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

  
Delivery method
Distributed via drive-by

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