MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a057dbece2fc88145ecac1218407fe98811d7902a69417d9193a6cbc473c7fc. 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


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a057dbece2fc88145ecac1218407fe98811d7902a69417d9193a6cbc473c7fc
SHA3-384 hash: 9846d9aa630d9a27da642cb37cfe0a0ae63dc5246e9b97acf9d2fa92f23d447edede770a41c49355fbfa97be0bb2966a
SHA1 hash: 5511256f0b3543c58f2619cc84fb5e5f72cc5d26
MD5 hash: c1b1243ce140a38cc8b679213ef12fa8
humanhash: two-tango-october-twenty
File name:CredentialHelper.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:52'579'840 bytes
First seen:2026-05-17 15:45:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 98542742d40ec559c0b2be1029d43198 (4 x ValleyRAT)
ssdeep 12288:oiz3seNbpbA4jLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL7:o83vbR
TLSH T1F9B77E6C27253FFD43C0ED267BF56DD9395CB0DB0611F2A783C652A332A65801A788B6
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon d85ad8d9e9f99082 (1 x ValleyRAT)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.sb[sd] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.sb[sd]
IOC (IP 52.223.22.103)

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
CredentialHelper.exe
Verdict:
No threats detected
Analysis date:
2026-05-17 15:30:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/64f44ccf-e6b9-42cb-abe9-bf29db4e4ca5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a09dee2a1be3ad8cffdff1f
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Connection attempt
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win64/Agent.ISL trojan
Link:
https://www.hybrid-analysis.com/sample/8a057dbece2fc88145ecac1218407fe98811d7902a69417d9193a6cbc473c7fc
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-17T12:01:00Z UTC
Last seen:
2026-05-19T12:12:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win64.Generic
Link:
https://opentip.kaspersky.com/8a057dbece2fc88145ecac1218407fe98811d7902a69417d9193a6cbc473c7fc/results?tab=lookup
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a057dbece2fc88145ecac1218407fe98811d7902a69417d9193a6cbc473c7fc
Gathering data
Verdict:
Malicious
Threat:
Trojan.Win64
Link:
https://tip.neiki.dev/file/8a057dbece2fc88145ecac1218407fe98811d7902a69417d9193a6cbc473c7fc
Threat name:
Win64.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-05-17 05:46:46 UTC
File Type:
PE+ (Exe)
Extracted files:
12
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ricx3pwof7eicrpmvqjbqqd75gebdv4qfjuuc7mrsotmxrdty76a._file
Gathering data
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin

File information

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

Web download

ValleyRAT

Executable exe 8a057dbece2fc88145ecac1218407fe98811d7902a69417d9193a6cbc473c7fc

(this sample)

  
Delivery method
Distributed via web download

Comments