MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 267d81ed801a1a3323f987285c30cb4e067c620d1e1fb0aad35f990c931d1ac8. 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



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 267d81ed801a1a3323f987285c30cb4e067c620d1e1fb0aad35f990c931d1ac8
SHA3-384 hash: e9392cffc811273e561b1fd41027814110407681b0a71e670abbe24196284ce66548fc9647939260fdfc20cf678b37f8
SHA1 hash: 09edc8419ff10a4170e63c32f6b110e1d27efb13
MD5 hash: c4b2174296844d32bcb9097bfbe2f95d
humanhash: mars-nineteen-autumn-finch
File name:Silent_V4.msi
Download: download sample
File size:30'208'000 bytes
First seen:2026-03-31 04:31:18 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:EvUKYIDp/N+NsXFNhwqQ4whcg6VNLzWG6JU+:EvUKhNNPFj84wSp3WU+
TLSH T1676733CAC8E54F8FEC1B55358368829BC5BA7C19BD1158BB5166B6C528B3BF031F3488
TrID 86.8% (.MSI) Microsoft Windows Installer (454500/1/170)
11.6% (.MST) Windows SDK Setup Transform script (61000/1/5)
1.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter tcains1
Tags:msi signed

Code Signing Certificate

Organisation:Signal Messenger LLC
Issuer:Signal Messenger LLC
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-28T20:17:08Z
Valid to:2029-03-28T20:27:08Z
Serial number: 467ae02d342a6ab347039dfd65b09c46
Thumbprint Algorithm:SHA256
Thumbprint: fd570efc8f46c863153ec835aa026953a92ee6baf140f0cabc505dd1a9a1a2ed
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
37
Origin country :
US US
Vendor Threat Intelligence
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 base64 CAB crypto expand fingerprint installer installer lolbin signed
Verdict:
Malicious
File Type:
Msi
First seen:
2026-03-29T10:39:00Z UTC
Last seen:
2026-03-31T16:40:00Z UTC
Hits:
~10
Detections:
BSS:Trojan.Win32.Generic Trojan-Dropper.OLE2.Agent.sb HEUR:Trojan.VBS.Agent.gen
Gathering data
Verdict:
Malicious
Threat:
Trojan-Dropper.OLE2.Agent
Threat name:
Script-WScript.Trojan.Heuristic
Status:
Malicious
First seen:
2026-03-29 01:08:48 UTC
File Type:
Binary (Archive)
Extracted files:
25
AV detection:
3 of 24 (12.50%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence privilege_escalation ransomware
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
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
Event Triggered Execution: Installer Packages
Drops file in Windows directory
Badlisted process makes network request
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Please note that we are no longer able to provide a coverage score for Virus Total.

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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
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/
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

Web download

Microsoft Software Installer (MSI) msi 267d81ed801a1a3323f987285c30cb4e067c620d1e1fb0aad35f990c931d1ac8

(this sample)

  
Delivery method
Distributed via web download

Comments