MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 639d5093a04358da92f06a5b66bd46f8eb3be5d86a6497ce3962afdddec1ce87. 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: 12


Intelligence 12 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 639d5093a04358da92f06a5b66bd46f8eb3be5d86a6497ce3962afdddec1ce87
SHA3-384 hash: b830499ec5b3f960ea895d6d053b5242c048695f5f14e6a2eee9b41a9451b8328efd8bf56716c741d909065b6b27c0b0
SHA1 hash: f4fc2868f3d62726fd15e0b4d559828fdb70d603
MD5 hash: 70bad761b1a7f2d16d815e6974ca070e
humanhash: helium-early-robert-magazine
File name:ScreenConnect.ClientSetup3.exe
Download: download sample
Signature ConnectWise
Create hunting rule
File size:20'511'288 bytes
First seen:2026-04-01 13:36:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9771ee6344923fa220489ab01239bdfd (281 x ConnectWise)
ssdeep 393216:Uh+OvTi7hha62f3N11fOvTi7hha62rOvTi7hha62IOvTi7hha629:Uh+Ovjf371fOvjrOvjIOvj9
TLSH T1E22723017BC6AAA7D43F0635987A632067B4BC414F13C36F66A47A3D1D327C06E727A6
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Anonymous
Tags:ConnectWise exe signed

Code Signing Certificate

Organisation:ConnectWise, LLC
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2026-02-20T00:00:00Z
Valid to:2027-02-19T23:59:59Z
Serial number: 01dddbc6e9163d407d980a3eaf798528
Intelligence: 39 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: e1db8670d34a3d8099b9815c9772b37025a7b5d1845ec5256eb22dad7e196725
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
US US
Vendor Threat Intelligence
Gathering data
Malware family:
connectwise
Create hunting rule
ID:
1
File name:
_639d5093a04358da92f06a5b66bd46f8eb3be5d86a6497ce3962afdddec1ce87.exe
Verdict:
Malicious activity
Analysis date:
2026-04-01 13:38:17 UTC
Tags:
connectwise rmm-tool screenconnect tool remote rat
Link:
https://app.any.run/tasks/a1ec4666-33b5-4077-b1eb-2ee71b6e4fc5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/60076/
Detection(s):
SecuriteInfo.com.Trojan.Siggen26.37800.12014.29258.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69cd1f823a18a6e1ddf0545c
Tags:
connectwise shellcode crypted micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Labled as:
HackTool/ConnectWiseControl.i
Link:
https://www.hybrid-analysis.com/sample/639d5093a04358da92f06a5b66bd46f8eb3be5d86a6497ce3962afdddec1ce87
Verdict:
Adware
File Type:
exe x32
First seen:
2026-04-01T23:51:00Z UTC
Last seen:
2026-04-02T00:04:00Z UTC
Hits:
~10
Detections:
BSS:Trojan.Win32.Generic BSS:Exploit.Win32.Generic.nblk BSS:Exploit.Win32.Generic not-a-virus:HEUR:RemoteAdmin.Win32.ConnectWise.gen
Link:
https://opentip.kaspersky.com/639d5093a04358da92f06a5b66bd46f8eb3be5d86a6497ce3962afdddec1ce87/results?tab=lookup
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/639d5093a04358da92f06a5b66bd46f8eb3be5d86a6497ce3962afdddec1ce87
Verdict:
inconclusive
YARA:
8 match(es)
Tags:
.Net CAB:COMPRESSION:LZX CAB:COMPRESSION:NONE Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout PE Memory-Mapped (Dump) SOS: 0.07 SOS: 0.21 SOS: 0.25 SOS: 0.28 SOS: 0.29 SOS: 0.33 SOS: 0.35 SOS: 0.40 SOS: 0.41 SOS: 0.47 Win 32 Exe x86
Link:
https://app.malva.re/file/70bad761b1a7f2d16d815e6974ca070e
Gathering data
Verdict:
Malicious
Threat:
Family.SCREENCONNECT
Link:
https://tip.neiki.dev/file/639d5093a04358da92f06a5b66bd46f8eb3be5d86a6497ce3962afdddec1ce87
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2026-04-01 13:32:06 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=moovbe5ainmnvexqnjnwnpkg7dvtxzoynjsjptrzmkx53xwbz2dq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat
Link:
https://tria.ge/reports/260401-qwjzlscz4m/
Behaviour
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
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
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
ConnectWise ScreenConnect remote access tool
Badlisted process makes network request
Sets service image path in registry
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/639d5093a04358da92f06a5b66bd46f8eb3be5d86a6497ce3962afdddec1ce87

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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: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:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
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_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)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

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/60076/

Comments