MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a57bcb1a4cf3ae2944f663ecc755b4fcbe70e24f2bbef42b3633b45be39234dd. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a57bcb1a4cf3ae2944f663ecc755b4fcbe70e24f2bbef42b3633b45be39234dd
SHA3-384 hash: 997f2f7f075905397b73f95fc9ce5a1814415144d535859d0e9cabd6cbe1f1ef5626a59333b3930af3572bd01f40af23
SHA1 hash: 40b56bc3b25917caa435021290e50656eeb141aa
MD5 hash: 60fdae6329eb6f13a10da3c44b1fc51e
humanhash: earth-uniform-cold-king
File name:bin.msi
Download: download sample
Signature ConnectWise
Create hunting rule
File size:13'225'984 bytes
First seen:2026-02-02 16:51:27 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:pmkEdQ03Nld5mkEdWmkEdtmkEdXmkEdUmkEd5:DE2cxTEoE1E/EeEj
TLSH T1C9D6230573F8A119F1B72A3AED3952F15C7B7C22CD62D15E1658364D2AB0EC19AB2333
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 Anonymous
Tags:ConnectWise msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Link:
https://research.acce.ciphertechsolutions.com/results/a38f2fa2-c389-4d63-b75b-59a0fbbad381/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/51260/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6980d6760bdf9fb6cc095f77
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 expand installer installer lolbin packed rundll32
Link:
https://www.filescan.io/uploads/6980d63ec9bfb60ece1a86c5/reports/3fdea6a7-0cd7-437a-bcbe-5becb09eb404/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a57bcb1a4cf3ae2944f663ecc755b4fcbe70e24f2bbef42b3633b45be39234dd
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/a57bcb1a4cf3ae2944f663ecc755b4fcbe70e24f2bbef42b3633b45be39234dd
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Adware
File Type:
msi
Detections:
BSS:Trojan.Win32.Generic.nblk BSS:Trojan.Win32.Generic BSS:Exploit.Win32.Generic.nblk not-a-virus:HEUR:RemoteAdmin.Win32.ConnectWise.gen not-a-virus:HEUR:RemoteAdmin.MSIL.ConnectWise.gen
Link:
https://opentip.kaspersky.com/a57bcb1a4cf3ae2944f663ecc755b4fcbe70e24f2bbef42b3633b45be39234dd/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a57bcb1a4cf3ae2944f663ecc755b4fcbe70e24f2bbef42b3633b45be39234dd/
Verdict:
Malicious
Threat:
Family.SCREENCONNECT
Link:
https://tip.neiki.dev/file/a57bcb1a4cf3ae2944f663ecc755b4fcbe70e24f2bbef42b3633b45be39234dd
Threat name:
ByteCode-MSIL.PUA.ConnectWise
Create hunting rule
Status:
Suspicious
First seen:
2026-02-02 16:34:37 UTC
File Type:
Binary (Archive)
Extracted files:
174
AV detection:
6 of 24 (25.00%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uv54wgsm6oxcsrhwmpwmovnu7s7hbyspfo7pikzwgo2fxy4sgtoq._file
Verdict:
malicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
error
ConnectWise
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat revoked_codesign
Link:
https://tria.ge/reports/260202-vdg5hsey4h/
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
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/a57bcb1a4cf3ae2944f663ecc755b4fcbe70e24f2bbef42b3633b45be39234dd

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

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/51260/

Comments