MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c98ae9a9f437ac322a231da751ee94b0ce5d6d199330cdd6a31c324747d2760f. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c98ae9a9f437ac322a231da751ee94b0ce5d6d199330cdd6a31c324747d2760f
SHA3-384 hash: 9ec28365211b48bad8fb257209ddbc44e7ff226ef836c00a5def19696500cc3a948f0d0da7459f43357a9c86f7f1755f
SHA1 hash: 4d5713ce936635064fa0cb79b9d0a799973c076d
MD5 hash: 6a2e5ff514d338b5696d7a86389fc7d9
humanhash: hot-cola-hotel-chicken
File name:Secur32.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:28'182'616 bytes
First seen:2026-03-16 03:24:06 UTC
Last seen:2026-03-16 04:25:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 10df3ab075e62d6e73e1056e3aaa81c0 (1 x ValleyRAT)
ssdeep 393216:m3fc4aVvEhOgHv3fB+FDhxnj/iOUQ2AVpatHMA5euFeo+ejy9ueivErV30kdO5gJ:Sf+KOEvJDSpaiAokZdy9qMrVkkA5rDVA
TLSH T1E4572324BABA0168D437FF713EDCE8A9CCDB2A111B45549711950B9BDA22EC0DE3793C
TrID 61.0% (.EXE) UPX compressed Win64 Executable (70117/5/12)
23.5% (.EXE) UPX compressed Win32 Executable (27066/9/6)
5.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.7% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter zhuzhu0009
Tags:exe SilverFox UPX
File size (compressed) :28'182'616 bytes
File size (de-compressed) :28'313'176 bytes
Format:win64/pe
Unpacked file: ab2c1d636c9c1e6cdecb92cd50da666897a06ea4d4b159d1f9bd8cb95221a500

Intelligence

File Origin
# of uploads :
2
# of downloads :
158
Origin country :
GB GB
Vendor Threat Intelligence
Malware configuration found for:
PEPacker ValleyFall
Details
PEPacker
a UPX version number and an unpacked binary
Link:
https://research.acce.ciphertechsolutions.com/results/f25c198a-d2c9-41f5-9f7a-4a847893869b/
Malware family:
n/a
ID:
1
File name:
https://gofile.io/d/HjOoJC
Verdict:
Malicious activity
Analysis date:
2026-03-16 01:13:40 UTC
Tags:
fileshare evasion uac payload valleyrat silverfox rat winos
Link:
https://app.any.run/tasks/1601dacb-3702-4a26-a4d2-ef944f4b0e25

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/57594/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b777e993b644ca466a76ad
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file
Loading a system driver
Setting a prohibition to launch some applications
Sending a custom TCP request
Running batch commands
Сreating synchronization primitives
Creating a window
Forced shutdown of a system process
Firewall traversal
Prohibiting to launch files
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 cmd evasive evasive exploit explorer fingerprint fingerprint lolbin masquerade microsoft_visual_cc obfuscated overlay packed packed packed packed signed uacme upx
Link:
https://www.filescan.io/uploads/69b777e32000fc76c3e0f364/reports/a197cbd3-1620-4eba-91f6-e673ee384cfd/overview
Verdict:
Malicious
Labled as:
Agent.Generic
Link:
https://www.hybrid-analysis.com/sample/c98ae9a9f437ac322a231da751ee94b0ce5d6d199330cdd6a31c324747d2760f
Verdict:
Malicious
File Type:
dll x64
Detections:
Backdoor.Xkcp.TCP.ServerRequest Backdoor.Agent.TCP.C&C Trojan.Win64.Kryplod.sb Rootkit.Win64.Agent.gsr Backdoor.Win32.Agent.sb Trojan-Dropper.Win32.Agent.sb Trojan.Win32.Kryplod.sb Trojan.Win32.Inject.sb Trojan.Win32.Agent.sb HEUR:HackTool.Win64.UACme.gen Backdoor.Win32.Xkcp.a VHO:Rootkit.Win64.Agent.gsr
Link:
https://opentip.kaspersky.com/c98ae9a9f437ac322a231da751ee94b0ce5d6d199330cdd6a31c324747d2760f/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c98ae9a9f437ac322a231da751ee94b0ce5d6d199330cdd6a31c324747d2760f
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/6a2e5ff514d338b5696d7a86389fc7d9
Gathering data
Verdict:
Malicious
Threat:
Backdoor.Xkcp.TCP
Link:
https://tip.neiki.dev/file/c98ae9a9f437ac322a231da751ee94b0ce5d6d199330cdd6a31c324747d2760f
Threat name:
Win64.Adware.RedCap
Create hunting rule
Status:
Malicious
First seen:
2026-03-16 03:25:28 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgfotkpug6wdekrddwtvd3uuwdhf23izsmym3vvddqzeor6soyhq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/260316-dx7qvabt3x/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
UPX packed file
Looks up external IP address via web service
Executes dropped EXE
Badlisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/c98ae9a9f437ac322a231da751ee94b0ce5d6d199330cdd6a31c324747d2760f

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
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:DebuggerCheck__QueryInfo
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:Gh0stKCP
Create hunting rule
Author:Netresec
Description:Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:https://netresec.com/?b=259a5af
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
Rule name:VECT_Ransomware
Create hunting rule
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.
Rule name:Windows_Generic_Threat_3055c14a
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Create hunting rule
Author:Elastic Security
Rule name:WinosStager
Create hunting rule
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

File information

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

ValleyRAT

Executable exe c98ae9a9f437ac322a231da751ee94b0ce5d6d199330cdd6a31c324747d2760f

(this sample)

ValleyRAT

Executable exe ab2c1d636c9c1e6cdecb92cd50da666897a06ea4d4b159d1f9bd8cb95221a500

Cape
Cape
https://www.capesandbox.com/analysis/57594/
  
Dropping
SHA256 ab2c1d636c9c1e6cdecb92cd50da666897a06ea4d4b159d1f9bd8cb95221a500
  
Dropping
MD5 8fe5a248b4e13ac0525db9872a0317fd

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