MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef1e01dedb35d8f1c7612ab3fb202ccb3503e0d004f60acdf0bd354aedd05a20. 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
ValleyRAT
Vendor detections: 8
| SHA256 hash: | ef1e01dedb35d8f1c7612ab3fb202ccb3503e0d004f60acdf0bd354aedd05a20 |
|---|---|
| SHA3-384 hash: | e6ffa60c0a4ab4b0404cd05469c7befb418660ebbaae87ff52c987109cbdfe92056d19c43fe5a7f6897d8094552c7666 |
| SHA1 hash: | 67343bcdaa581a8bd0abca42642376d25b580be2 |
| MD5 hash: | 82acab57b3e352aa57c2bff056beb246 |
| humanhash: | utah-alaska-diet-lake |
| File name: | zintall.6638250001.msi |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 7'278'592 bytes |
| First seen: | 2026-07-02 16:45:41 UTC |
| Last seen: | 2026-07-02 16:46:03 UTC |
| File type: |  msi |
| MIME type: | application/x-msi |
| ssdeep | 196608:3i2hjUNX0bBi9D2tQ2RKuEPS9UmkLUBtCCR0TBCFbxt:3i24XKBODoQgEq9UmjtCCmTBAt |
| Threatray | 23 similar samples on MalwareBazaar |
| TLSH | T1F6763396F98679B4C08BE3B18257627D72153FD65E685E0AB3D9B71C1F33B1408BAB00 |
| TrID | 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5) 11.5% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Magika | msi |
| Reporter |  Ling |
| Tags: | msi SilverFox ValleyRAT |
CNGaoLing
The sample is retrieved from "hxxps://www[.]4zw7lhrvob[.]com/newinsll"SilverFox
IOC (Domain 26nn.oss-cn-hangzhou.aliyuncs.com) (Domain new629.oss-cn-beijing.aliyuncs.com) (Domain jnkous.net) (IP 8.217.67.135:7090)
Intelligence
File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
Detection:
n/a
Detection(s):
Verdict:
Clean
Score:
89.3%
Tags:
n/a
Verdict:
Malicious
Labled as:
Trojan.MSI.Agent
Verdict:
Malicious
File Type:
msi
First seen:
2026-07-02T13:25:00Z UTC
Last seen:
2026-07-02T15:39:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb HEUR:Trojan.Win32.DLLhijack.pefng HEUR:Trojan-Banker.Win32.Emotet.gen Trojan.Win32.Agent.sba Trojan-Banker.Win32.Emotet.gpdf Trojan.Win64.Kryplod.sb HEUR:Trojan.Win32.DLLhijack.pef HEUR:Trojan.Win32.Convagent.gen HackTool.Multi.AmsiETWPatch.sb HEUR:HackTool.OLE2.AmsiETWPatch.gen Trojan.Win32.Zapchast.bpbc Trojan.Win32.Zapchast.bpbb not-a-virus:HEUR:RiskTool.Win32.EvadeAV.gen
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
CAB:COMPRESSION:LZX Executable Office Document PE (Portable Executable) PE File Layout
Verdict:
Malicious
Threat:
Family.GH0ST
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2026-07-02 16:47:38 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
19 of 38 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
swordldr
Similar samples:
+ 13 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
defense_evasion discovery execution exploit persistence privilege_escalation ransomware trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies Control Panel
Modifies data under HKEY_USERS
Modifies registry class
Runs net.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
Event Triggered Execution: Screensaver
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Adds Run key to start application
Badlisted process makes network request
Enumerates connected drives
Indicator Removal: Clear Persistence
Checks computer location settings
Disables service(s)
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Modifies RDP port number used by Windows
Possible privilege escalation attempt
UAC bypass
Windows security bypass
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. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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