MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 76d4142469fe6f8d1743fee5a3a38de3dc9ffe243f89479b99e90172005d5b72. 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
SilverFox
Vendor detections: 10
| SHA256 hash: | 76d4142469fe6f8d1743fee5a3a38de3dc9ffe243f89479b99e90172005d5b72 |
|---|---|
| SHA3-384 hash: | fe15b183103a86f43bff0e71c1a1ef1089fed0a4d772a638c184ce63697279b99211a99673bd9f988b7a9268f1782e1f |
| SHA1 hash: | 8932d3c1cfee568f6961e0fe9b226aad56c3d93c |
| MD5 hash: | 205f8de0627b8c7c342cb78943730e90 |
| humanhash: | uniform-carolina-whiskey-lemon |
| File name: | 5.13dasd.exe |
| Download: | download sample |
| Signature | SilverFox |
| File size: | 76'962'968 bytes |
| First seen: | 2026-02-13 04:58:16 UTC |
| Last seen: | 2026-02-13 05:21:06 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 197f18741a64eb7f5b248794520b56c4 (1 x SilverFox) |
| ssdeep | 786432:JSmU1TIhoASrJBqSxX9lr+0n3TQlIyH4W8FHBqEYSlQN7aKZfMuBAZnkM3o:JTUNgoAS9Rtlr+U3MxZ8dBZQN7fBqP3o |
| TLSH | T1F2F7CF9BA2A500A8C07BC07DCA67D517FBB134091334AAEB06B586965F33BF0697F711 |
| TrID | 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 27.6% (.EXE) Win64 Executable (generic) (10522/11/4) 13.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.3% (.EXE) OS/2 Executable (generic) (2029/13) 5.2% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| dhash icon | f0968ee8aae8e8b2 (10 x ValleyRAT, 9 x Urelas, 5 x HermeticWiper) |
| Reporter |  Ling |
| Tags: | exe Malgent SilverFox Trojan/SilverFox.bg[qt6] Trojan:Win32/Malgent!MSR |
CNGaoLing
This sample has been reviewed by Microsoft researchers and determined to be malware. (Trojan:Win32/Malgent!MSR)Trojan/SilverFox.bg[qt6]
Intelligence
File Origin
# of uploads :
2
# of downloads :
113
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5.13dasd.exe
Verdict:
Malicious activity
Analysis date:
2026-02-13 05:00:59 UTC
Tags:
silverfox backdoor valleyrat rat remote winos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
emotet cobalt
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm crypt expired-cert installer-heuristic invalid-signature krypt microsoft_visual_cc packed signed
Verdict:
Malicious
Labled as:
Win64/GenKryptik.HIXO trojan
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-02-12T11:48:00Z UTC
Last seen:
2026-02-13T03:39:00Z UTC
Hits:
~10
Detections:
Trojan-Dropper.Win32.Injector.sb Trojan.Win64.DllHijack.yp Trojan.Win32.Zapchast.bony Trojan.Win32.PoolInject.sba Trojan.Win32.Inject.sb Trojan.Win32.Agent.sb Trojan-Spy.Win32.Stealer.sb Trojan.Win64.Zenpak.sb Trojan.Win64.Agent.sba HEUR:Trojan.Win64.Generic PDM:Trojan.Win32.Generic
Score:
0%
Verdict:
Benign
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.VALLEYRAT
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2026-02-12 16:36:22 UTC
File Type:
PE+ (Exe)
Extracted files:
33
AV detection:
12 of 24 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Deletes itself
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__MemoryWorkingSet |
|---|---|
| Author: | Fernando Mercês |
| Description: | Anti-debug process memory working set size check |
| Reference: | http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/ |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| Reference: | https://cyfare.net/ |
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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