MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 938c2ba161db0bf5f6c4d1bc416c4ae709e4e7b2c75e85566a9a126f4cd97ec0. 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: | 938c2ba161db0bf5f6c4d1bc416c4ae709e4e7b2c75e85566a9a126f4cd97ec0 |
|---|---|
| SHA3-384 hash: | ffcbaf0e238c604e1a729f920c2880e3cad9ff4cc063e909b16fdd13f66da22de7a97c1e03f5531384bbe1db072775e0 |
| SHA1 hash: | a7c95162ac49c1fab4e5a07f5b8318fffc39074a |
| MD5 hash: | dfbfbef2b792cb0d0932b1f2cd09a961 |
| humanhash: | speaker-three-west-oranges |
| File name: | instoll.m1.0.12.msi |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 9'662'464 bytes |
| First seen: | 2026-10-13 17:29:18 UTC |
| Last seen: | Never |
| File type: |  msi |
| MIME type: | application/x-msi |
| ssdeep | 196608:oNGSas3CnynNlgNdKzQkQQVoasA50lRcFHhKXKc/pp10jTBXfEpP1KRHI3C6:MpKyn7ynA5qRIUacJIT9fm8Roy6 |
| TLSH | T1D6A633967DC93375D18FDBB06462782D34797FC1BA6A6C0B6E59BA001EB031B01BB709 |
| 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 Trojan/SilverFox.bm[lddel] ValleyRAT |
CNGaoLing
Trojan/SilverFox.bm[lddel]IOC (ucyuyo.net) (6y0ier.oss-cn-beijing.aliyuncs.com) (mm2027.oss-cn-hangzhou.aliyuncs.com) (new2027.oss-cn-hongkong.aliyuncs.com) (8.217.97.89:18300)
Intelligence
File Origin
# of uploads :
1
# of downloads :
101
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
MSI
Details
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
94.9%
Tags:
shellcode virus hype
Gathering data
Verdict:
Malicious
Labled as:
Trojan.MSI.Agent
Verdict:
Malicious
File Type:
msi
First seen:
2026-10-13T13:38:00Z UTC
Last seen:
2026-10-15T12:53:00Z UTC
Hits:
~10
Detections:
Trojan-Banker.Win32.Emotet.grga HEUR:Trojan-Banker.Win32.Emotet.gen HackTool.Multi.AmsiETWPatch.sb
Score:
5%
Verdict:
Benign
File Type:
ARCHIVE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
CAB:COMPRESSION:LZX Executable Office Document PE (Portable Executable) PE File Layout
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-10-13 17:30:31 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
10 of 24 (41.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
defense_evasion discovery execution exploit persistence privilege_escalation ransomware trojan
Behaviour
Uses Volume Shadow Copy service COM API
Uses Task Scheduler COM API
System policy modification
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: LoadsDriver
Suspicious behavior: EnumeratesProcesses
Scheduled Task/Job: Scheduled Task
Runs net.exe
Modifies registry class
Modifies data under HKEY_USERS
Modifies Control Panel
Checks processor information in registry
Checks SCSI registry key(s)
Event Triggered Execution: Installer Packages
Enumerates physical storage devices
Event Triggered Execution: Screensaver
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates video capture drivers
Launches sc.exe
Drops file in Program Files directory
Drops file in System32 directory
Indicator Removal: Clear Persistence
Enumerates connected drives
Badlisted process makes network request
Adds Run key to start application
Modifies file permissions
Loads dropped DLL
Executes dropped EXE
Disables service(s)
Checks computer location settings
Possible privilege escalation attempt
Modifies RDP port number used by Windows
Drops file in Drivers directory
Command and Scripting Interpreter: PowerShell
Windows security bypass
UAC bypass
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: | 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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