MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923
SHA3-384 hash: a051da592a836df6c5c22561c7194aab491866d38de830927f7bbefc88d09712eef85713138b8c6611bdc37642e2adae
SHA1 hash: 8f6799c3777cc1ebf02d9b8e90d396cc474b567d
MD5 hash: 0a198ca0a610873c021dc3586fdb636b
humanhash: stream-oxygen-muppet-seven
File name:18.163.217.102_770.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:17'918'976 bytes
First seen:2026-07-16 16:27:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash df663ae202ee069eb0afc7b268b8bcae (2 x ValleyRAT)
ssdeep 98304:FrWSLr6oM6DhnGyO4q/Ys2eEMeqNgEnITJIOvOLoNNvqJYktz8a5gkktwQbfBEEn:hLrlMK5OTYs9EMzXITpvqZtvgkEwQND
TLSH T1D30749FB30D4859DC19EC13EC2538F55E93F71BA0736C2E7629452A41E16AC42E7EA2C
TrID 51.8% (.EXE) Win64 Executable (generic) (6522/11/2)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.9% (.EXE) Generic Win/DOS Executable (2002/3)
15.8% (.EXE) DOS Executable (generic) (2000/1)
0.2% (.VXD) VXD Driver (29/21)
Magika pebin
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bg[qtsc] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bg[qtsc]
IOC (IP 18.163.217.102:80)

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/74922/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a590684b3055706bb557852
Tags:
obfuscated emotet remo hype
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug embarcadero_delphi fingerprint keylogger packed reconnaissance
Link:
https://www.filescan.io/uploads/6a590677b5589aa561d7c704/reports/fef5b589-270a-4ef6-95a1-5e39e2813742/overview
Verdict:
Malicious
Labled as:
Capa_reference_anti_VM_strings_targeting_Xen
Link:
https://www.hybrid-analysis.com/sample/4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-16T13:11:00Z UTC
Last seen:
2026-07-17T19:40:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win64.Silverfox.gen Trojan.Win32.Silverfox.m Trojan.Silverfox.HTTP.C&C PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923/results?tab=lookup
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/0a198ca0a610873c021dc3586fdb636b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923/
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2026-07-16 16:29:41 UTC
File Type:
PE+ (Exe)
Extracted files:
112
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ivz335ca3srzldqtrtfjnpm4yz77r3wkmmxn5jizh5pggsglperq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/260716-tyd3xsg18m/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Unpacked files
SH256 hash:
4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923
MD5 hash:
0a198ca0a610873c021dc3586fdb636b
SHA1 hash:
8f6799c3777cc1ebf02d9b8e90d396cc474b567d
Link:
https://www.unpac.me/results/8fc52a67-e702-454b-9535-737ca69dd5d6/
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/4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923

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:Borland
Create hunting rule
Author:malware-lu
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:pe_detect_tls_callbacks
Create hunting rule
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
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/

File information

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

Web download

ValleyRAT

Executable exe 4573bdf440dca3958e138cca96bd9cc67ff8eeca632edea5193f5e6348cb7923

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/74922/

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