MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbf7df1af41eef6b0dcf10f83bc7e2f87b3a52e4ada555334336e3c0c070a269. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cbf7df1af41eef6b0dcf10f83bc7e2f87b3a52e4ada555334336e3c0c070a269
SHA3-384 hash: 7df9067df4068a40932d05ef82da8b09b9723ff31b424a59bd6ae9df29525a722fd1ebb0faa123ab8329f01c439eccc4
SHA1 hash: 57be311e815e2d057e03e0f4a8ab27da3a57f7ab
MD5 hash: d92ceeb1d16948532627a403ea76758f
humanhash: nebraska-social-network-crazy
File name:2552-255pdf.msi
Download: download sample
Signature ConnectWise
Create hunting rule
File size:13'352'960 bytes
First seen:2025-12-19 22:56:22 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:aWh0cGwKWh0cG1Wh0cGEWh0cGcWh0cGuWh0cGtWh0cGJ:aWackWacMWacbWacvWac7WacOWacM
Threatray 550 similar samples on MalwareBazaar
TLSH T1D4D6232523FD405AF8F74B79FD3682A45D72BE68CF21C11E9228B90D2A74D4096727B3
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter smica83
Tags:ConnectWise msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Link:
https://research.acce.ciphertechsolutions.com/results/60cd93f0-0157-4707-9aa5-9db8cb0fa888/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45549/
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6945d84e56a871e6bb7f130a
Tags:
shellcode backdoor virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 evasive expand expired-cert explorer fingerprint installer installer lolbin lolbin packed rundll32
Link:
https://www.filescan.io/uploads/6945d849e126b9ff438978d1/reports/51edb8ad-592d-4cba-878f-b19b8bd31820/overview
Verdict:
Suspicious
Labled as:
TR/Agent.hzyxx
Link:
https://www.hybrid-analysis.com/sample/cbf7df1af41eef6b0dcf10f83bc7e2f87b3a52e4ada555334336e3c0c070a269
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/cbf7df1af41eef6b0dcf10f83bc7e2f87b3a52e4ada555334336e3c0c070a269
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
msi
First seen:
2025-12-20T06:22:00Z UTC
Last seen:
2025-12-21T05:56:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Dropper.OLE2.Agent.gen
Link:
https://opentip.kaspersky.com/cbf7df1af41eef6b0dcf10f83bc7e2f87b3a52e4ada555334336e3c0c070a269/results?tab=lookup
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1836555
Signature
.NET source code references suspicious native API functions
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Creates files in the system32 config directory
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
Reads the Security eventlog
Reads the System eventlog
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836555 Sample: 2552-255pdf.msi Startdate: 19/12/2025 Architecture: WINDOWS Score: 88 56 dfg56yhgv.ddns.net 2->56 62 Multi AV Scanner detection for submitted file 2->62 64 .NET source code references suspicious native API functions 2->64 66 Contains functionality to hide user accounts 2->66 68 Joe Sandbox ML detected suspicious sample 2->68 8 msiexec.exe 93 51 2->8         started        12 ScreenConnect.ClientService.exe 2 5 2->12         started        15 svchost.exe 2->15         started        17 6 other processes 2->17 signatures3 70 Uses dynamic DNS services 56->70 process4 dnsIp5 46 C:\...\ScreenConnect.WindowsClient.exe, PE32 8->46 dropped 48 C:\...\ScreenConnect.ClientService.exe, PE32 8->48 dropped 50 C:\...\ScreenConnect.WindowsClient.exe.config, XML 8->50 dropped 54 10 other files (none is malicious) 8->54 dropped 72 Enables network access during safeboot for specific services 8->72 74 Modifies security policies related information 8->74 19 msiexec.exe 8->19         started        21 msiexec.exe 1 8->21         started        23 msiexec.exe 8->23         started        58 dfg56yhgv.ddns.net 193.26.115.135, 49718, 8041 QUICKPACKETUS Netherlands 12->58 76 Reads the Security eventlog 12->76 78 Reads the System eventlog 12->78 25 ScreenConnect.WindowsClient.exe 3 12->25         started        28 ScreenConnect.WindowsClient.exe 2 12->28         started        80 Changes security center settings (notifications, updates, antivirus, firewall) 15->80 30 MpCmdRun.exe 15->30         started        52 C:\Users\user\AppData\Local\...\MSI54A6.tmp, PE32 17->52 dropped file6 signatures7 process8 signatures9 32 rundll32.exe 11 19->32         started        82 Creates files in the system32 config directory 25->82 84 Contains functionality to hide user accounts 25->84 36 conhost.exe 30->36         started        process10 file11 38 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 32->38 dropped 40 C:\...\ScreenConnect.InstallerActions.dll, PE32 32->40 dropped 42 C:\Users\user\...\ScreenConnect.Core.dll, PE32 32->42 dropped 44 4 other files (none is malicious) 32->44 dropped 60 Contains functionality to hide user accounts 32->60 signatures12
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
.Net CAB:COMPRESSION:LZX CAB:COMPRESSION:NONE Executable Managed .NET Office Document PDB Path PE (Portable Executable) PE File Layout SOS: 0.21 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.31 SOS: 0.36 SOS: 0.39
Link:
https://app.malva.re/file/d92ceeb1d16948532627a403ea76758f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cbf7df1af41eef6b0dcf10f83bc7e2f87b3a52e4ada555334336e3c0c070a269/
Verdict:
Malicious
Threat:
Family.ConnectWise
Link:
https://tip.neiki.dev/file/cbf7df1af41eef6b0dcf10f83bc7e2f87b3a52e4ada555334336e3c0c070a269
Threat name:
ByteCode-MSIL.Trojan.DllHijack
Create hunting rule
Status:
Suspicious
First seen:
2025-12-08 02:28:05 UTC
File Type:
Binary (Archive)
Extracted files:
174
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zp356gxud3xwwdopcd4dxr7c7b5tuuxevwsvkm2dg3r4bqdqujuq._file
Verdict:
suspicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
046a308ce6f588c842234d66c1bd770176419465a7769df9c98b0834e3fa02c7
ConnectWise
04a295ee5e8c7e745b1f383e3f7cfb78a421dbacbb4b2db9d51ac342a9ffd1c4
ConnectWise
04d1164fa6365282a8b8c0cce534d33854d0ba6e64d34906e32501bc906863dd
ConnectWise
1e4d6715cfaad3943b71fa529402e678bd23913811b31a21481a5a8a2e1f3499
ConnectWise
2f9155e9b3c398809d0ea8217600e6575d116b47744fcf76344622fbede1dddb
ConnectWise
52c011ef32bfccd30c30bd0813981a26b44509837e8d8590099a8482e3e72fdb
ConnectWise
aa0d5f98bb9ef620d8ade9669e88def0a2833158e19ebb7eae8b5bfb23f7ea17
ConnectWise
d09a41581c732f175b4017608a74afd636cc32bde5f56e3d9bd1ca53ef6ec29c
ConnectWise
dbd971eeb2ed0f64f223a7cff200535302f999a458b6bf9b906c2c94dce9cd36
ConnectWise
ddaba68dfac28852d3936c8ca86b9061d754e02bd20c15ab36504805f634b0be
ConnectWise
error
ConnectWise
+ 540 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat revoked_codesign
Link:
https://tria.ge/reports/251223-qe2s4azpet/
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 SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Boot or Logon Autostart Execution: Authentication Package
Drops file in System32 directory
Enumerates connected drives
ConnectWise ScreenConnect remote access tool
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
Binary is signed using a ConnectWise certificate revoked for key compromise.
Sets service image path in registry
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/10cf6cb4-e8bc-4e44-8b85-43e1973b2a5a
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/cbf7df1af41eef6b0dcf10f83bc7e2f87b3a52e4ada555334336e3c0c070a269

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect). Review RMM Inventory
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/45549/

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