MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1. 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


Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1
SHA3-384 hash: d53a34b00d1e30c09e8c863cb0c786584e4d01f44643b71b80c59271a7b9de01751e07de1371e57f8454e4832f086d97
SHA1 hash: 178d4ae72585ed7b9756a6f86f1b2911a5d441ac
MD5 hash: 53c64a9d1b6a2f6f871830424454ba0c
humanhash: wisconsin-monkey-minnesota-grey
File name:file
Download: download sample
File size:32'768 bytes
First seen:2026-01-25 16:08:36 UTC
Last seen:2026-01-25 17:24:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 768:AA5Igz9dwe/Y5Plx58cqPqjM6RF2UHG58KR9W:NuOdwe/Y5D2cqPF4A5BR9W
TLSH T14EE2E52AD554AFF0CB2F61B2AC97284641904325A674390E75CE9ADC2F34364CF991EF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543


Avatar
Bitsight
url: http://130.12.180.43/files/5190150032/4dyxYQW.exe

Intelligence

File Origin
# of uploads :
14
# of downloads :
126
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2026-01-25 16:09:10 UTC
Tags:
stego payload ta558 apt stegocampaign loader reverseloader stealer stealc vidar xor-url generic
Link:
https://app.any.run/tasks/763d70e7-3884-4aca-afc8-e2a39e2c9995

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/50068/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=697640396fa3eed1652ed00c
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 lolbin powershell wscript
Link:
https://www.filescan.io/uploads/6976402fa9d5ec2c54cfa5ea/reports/312398a7-5f23-4f22-8d80-79b14c51effa/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1
Result
Gathering data
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c36a2ee5-f1d9-480c-b9e2-e5472f487b4f
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1
Verdict:
Malware
YARA:
11 match(es)
Tags:
.Net DeObfuscated Executable Managed .NET Obfuscated PE (Portable Executable) PE File Layout SOS: 0.00 T1059.005 VBScript Win 32 Exe WScript.Network WScript.Shell x86
Link:
https://app.malva.re/file/53c64a9d1b6a2f6f871830424454ba0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1/
Verdict:
Malicious
Threat:
Family.REVERSELOADER
Link:
https://tip.neiki.dev/file/a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-25 16:09:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uu4uogsychg33h4a47ijqbformxztbtzrj6a6oynacw5xiehzlaq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/260125-tly8bsax8f/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Badlisted process makes network request
Unpacked files
SH256 hash:
a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1
MD5 hash:
53c64a9d1b6a2f6f871830424454ba0c
SHA1 hash:
178d4ae72585ed7b9756a6f86f1b2911a5d441ac
Link:
https://www.unpac.me/results/33a6d786-071e-4dae-8fe5-2d74b959e6f9/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a539471a5811/report/overview.html
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/a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1

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:Check_Debugger
Create hunting rule
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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:sus_pe_free_without_allocation
Create hunting rule
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_bazarbackdoor_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.bazarbackdoor.

File information

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

Web download

Executable exe a539471a5811cdbd9f80e7d09804ae8b2f9986798a7c0f3b0d00addba087cac1

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3763697/
Cape
Cape
https://www.capesandbox.com/analysis/50068/

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