MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7bf161078c546fc6dd5a2927020c80f6d27cfdf7416f445882d729cfcec6b83. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7bf161078c546fc6dd5a2927020c80f6d27cfdf7416f445882d729cfcec6b83
SHA3-384 hash: 8858a2c37b76b7081efe499099205343c609a2e72a477c6ae350dd4e5f66a545bcd7aa2355d642553f1e437c3ecb31f0
SHA1 hash: ba4659cf00295a0627fee439566851c38a0bbba5
MD5 hash: 1557ea1d9843b4af7585bceea82dcf08
humanhash: floor-carbon-michigan-princess
File name:AweSun_win_online_setup_x64.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:77'009'408 bytes
First seen:2025-08-06 10:05:47 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 1572864:e2QsTGHdUpR+zlkRkrmyvRD/qoglViUngaiIwuMhNbJ/z:e2QsTGG3KlR/D/qok5nSucN9z
Threatray 469 similar samples on MalwareBazaar
TLSH T196F73322BA938032D76F1A7B9A95FE9D0534BEA3473005CBB3F97DBE40749C09271646
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter zhuzhu0009
Tags:backdoor msi SilverFox ValleyRAT winos

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
JP JP
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689329441e8a59ee04e654ca
Tags:
n/a
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 cmd expired-cert fingerprint lolbin msiexec short-lived-cert wix
Link:
https://www.filescan.io/uploads/689329242fbe0788fb1aa0b0/reports/6ba54ea6-5760-4ff6-a386-383821564b02/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/f7bf161078c546fc6dd5a2927020c80f6d27cfdf7416f445882d729cfcec6b83
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/f7bf161078c546fc6dd5a2927020c80f6d27cfdf7416f445882d729cfcec6b83
Score:
80%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/f7bf161078c546fc6dd5a2927020c80f6d27cfdf7416f445882d729cfcec6b83
Gathering data
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-08-06 10:07:59 UTC
File Type:
Binary (Archive)
Extracted files:
533
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=667rmedyyvdpy3ovukjhaigib5wspt67oqlpirmifvzjz7hmnobq._file
Verdict:
suspicious
Label(s):
winos
Create hunting rule
Similar samples:
03abe77075350d256415697f4401fac04929ab5fd30ac1c8e49dfc888ee7934d
ValleyRAT
45a7c031e4d003512d6c08710e89ba57d9e5a0aeb6af1d26326ad3c0b2a1755d
ValleyRAT
573c08ded0eba1b7c02c9bb565cc3936761563da670bec986c29474532d2d43e
ValleyRAT
b4a1c8e6d660a31aaca3053973c553c62354be47688f7d474998f0d5caf8f0ce
ValleyRAT
error
ValleyRAT
f7bf161078c546fc6dd5a2927020c80f6d27cfdf7416f445882d729cfcec6b83
ValleyRAT
fb619d64ccfb1ec19658cbffe49a7b742ae4f279898cf330c60a5f251ade89bd
ValleyRAT
+ 459 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250806-l48kqavvey/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Loads dropped DLL
Enumerates connected drives
Verdict:
Malicious
Tags:
Revoked.CRT.HookSignTool-9999979-1
YARA:
n/a
Link:
https://app.threat.zone/submission/b3b0496a-24d7-47ab-a3cc-ca4eb43d3b2a
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f7bf161078c5/report/overview.html
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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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:Detect_MSI_LATAM_Banker_From_LatAm
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_valley_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.valley_rat.

File information

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

Comments