MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a038efc2f02a66df78b90d2263b74601c26cb26d3df5dc90f5cfac7eb9ee25ee. 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: 9
| SHA256 hash: | a038efc2f02a66df78b90d2263b74601c26cb26d3df5dc90f5cfac7eb9ee25ee |
|---|---|
| SHA3-384 hash: | 2f6ee4973caf6a783c6bea0bb92073b6b4aa8d49a55cfbc14a301e996a16445d52f9feabf82626517904e01c6cdc5e90 |
| SHA1 hash: | 3133438ced9acddb3a3af04e624ec73783a3c8fc |
| MD5 hash: | c1a6adc81a3ab214d1553179db1120c6 |
| humanhash: | summer-louisiana-william-lactose |
| File name: | file |
| Download: | download sample |
| Signature | ConnectWise |
| File size: | 13'533'184 bytes |
| First seen: | 2026-04-10 21:03:48 UTC |
| Last seen: | 2026-04-10 21:08:32 UTC |
| File type: |  msi |
| MIME type: | application/x-msi |
| ssdeep | 196608:ZrnLYG3zuhukOMrnLYG3zmrnLYG3zcrnLYG3zVrnLYG3zWrnLYG3zSrnLYG3zP:ZbDDugvMbDDmbDDcbDDVbDDWbDDSbDDP |
| Threatray | 2'052 similar samples on MalwareBazaar |
| TLSH | T1E9D6233267FD0918E1F36778ED3991E291367CA59F12D08F2610786E6871E8097A373B |
| 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 |  Bitsight |
| Tags: | ConnectWise dropped-by-amadey fbf543 msi |
Intelligence
File Origin
# of uploads :
12
# of downloads :
106
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Detection:
n/a
Verdict:
Clean
Score:
89.3%
Tags:
n/a
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 CAB evasive expand expired-cert explorer fingerprint installer installer lolbin lolbin overlay packed packed privilege reconnaissance rundll32
Verdict:
Adware
File Type:
msi
First seen:
2026-04-11T00:15:00Z UTC
Last seen:
2026-04-11T05:00:00Z UTC
Hits:
~10
Detections:
not-a-virus:HEUR:RemoteAdmin.MSIL.ConnectWise.gen
Gathering data
Verdict:
Malicious
Threat:
Family.CONNECTWISE
Threat name:
ByteCode-MSIL.PUA.ConnectWise
Status:
Suspicious
First seen:
2026-04-10 21:04:39 UTC
File Type:
Binary (Archive)
Extracted files:
175
AV detection:
10 of 38 (26.32%)
Threat level:
1/5
Detection(s):
Suspicious file
Verdict:
suspicious
Label(s):
admintool_screenconnect
Similar samples:
+ 2'042 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat revoked_codesign
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
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
Sets service image path in registry
Signed with revoked ConnectWise certificate
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | INDICATOR_RMM_ConnectWise_ScreenConnect |
|---|---|
| Author: | ditekSHen |
| Description: | Detects ConnectWise Control (formerly ScreenConnect). Review RMM Inventory |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
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