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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 649695cc337c50bf71bbf43b6c976d7937d6c504332db83e7d9e71213a0ac728. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 649695cc337c50bf71bbf43b6c976d7937d6c504332db83e7d9e71213a0ac728
SHA3-384 hash: 6e01501a40d91c15109324f365b169c9420f1c7142f7314fd56e191f4f139ec85b8eabbcac6c6f395975202e811260a8
SHA1 hash: a83aeabe86879e155d507102e1b71c554f39cfbe
MD5 hash: 7b9957f3d0d8de82d8d64b5c8ae437e2
humanhash: asparagus-vegan-red-juliet
File name:WindowsSecurityUpdate.exe
Download: download sample
File size:2'510'848 bytes
First seen:2026-10-06 19:04:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash a07d43f4f1f9e66f3ef4ab55e02b7693
ssdeep 49152:ScWTgrD4vGfPqeDQ6zcWTgrD4vGfPqeDQ6:ATgbvvTgbv
TLSH T188C5191BE2A344ECC12FD17486639772FA70B85941347E6E1A98DB312F20E605B6EF35
TrID 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
18.0% (.EXE) Win64 Executable (generic) (6522/11/2)
13.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.ICL) Windows Icons Library (generic) (2059/9)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter smica83
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
WindowsSecurityUpdate.exe
Verdict:
Malicious activity
Analysis date:
2026-10-06 17:04:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e0ee3109-8fdc-419a-8363-744270c32055

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/90908/
Detection(s):
SecuriteInfo.com.Variant.Yogi.25082.53496771.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad01a686f551121ba157ad9
Tags:
autorun emotet spoof
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Launching a service
Possible injection to a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 cmd crypto evasive hacktool installer-heuristic keylogger lolbin masquerade packed packed reconnaissance schtasks wmic
Link:
https://www.filescan.io/uploads/6ac546319e1f67a420071f41/reports/f8ff46d7-031c-4a38-a961-fc97782ffa5d/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/649695cc337c50bf71bbf43b6c976d7937d6c504332db83e7d9e71213a0ac728
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-10-06T15:18:00Z UTC
Last seen:
2026-10-07T22:27:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/649695cc337c50bf71bbf43b6c976d7937d6c504332db83e7d9e71213a0ac728/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4e633b5a-ede3-45a8-bde8-5313d5c9c575
Result
Threat name:
Powershell Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1983242
Signature
Adds extensions / path to Windows Defender exclusion list
Bypasses PowerShell execution policy
Contains functionality to create processes via WMI
Contains functionality to inject threads in other processes
Contains VNC / remote desktop functionality (version string found)
Creates an autostart registry key pointing to binary in C:\Windows
Creates processes via WMI
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Modifies Windows Defender protection settings
Multi AV Scanner detection for submitted file
Potential Privilege Escalation using Task Scheduler highest RunLevel
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious Process Created Via Wmic.EXE
Suspicious powershell command line found
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Powershell Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1983242 Sample: WindowsSecurityUpdate.exe Startdate: 06/10/2026 Architecture: WINDOWS Score: 100 34 myself-pda-mike-kept.trycloudflare.com 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Powershell Keylogger 2->38 40 Sigma detected: Powershell Defender Disable Scan Feature 2->40 42 5 other signatures 2->42 8 WindowsSecurityUpdate.exe 2 1 2->8         started        11 powershell.exe 23 2->11         started        13 OpenWith.exe 2->13         started        signatures3 process4 signatures5 44 Suspicious powershell command line found 8->44 46 Encrypted powershell cmdline option found 8->46 48 Contains functionality to inject threads in other processes 8->48 50 8 other signatures 8->50 15 powershell.exe 23 8->15         started        18 WMIC.exe 1 8->18         started        20 schtasks.exe 8->20         started        22 schtasks.exe 8->22         started        24 conhost.exe 11->24         started        process6 signatures7 52 Suspicious powershell command line found 15->52 54 Modifies Windows Defender protection settings 15->54 56 Adds extensions / path to Windows Defender exclusion list 15->56 26 conhost.exe 15->26         started        58 Contains functionality to create processes via WMI 18->58 60 Creates processes via WMI 18->60 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/649695cc337c50bf71bbf43b6c976d7937d6c504332db83e7d9e71213a0ac728
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/7b9957f3d0d8de82d8d64b5c8ae437e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/649695cc337c50bf71bbf43b6c976d7937d6c504332db83e7d9e71213a0ac728/
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-10-06 19:04:25 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=msljltbtpril64n36q5wzf3npe35nriegmw3qpt5tzyscoqky4ua._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery evasion execution persistence trojan
Link:
https://tria.ge/reports/261006-xq2qssgb85/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Reads the TCP/IP host and domain name from the registry
Adds Run key to start application
Enumerates connected drives
Windows security modification
Command and Scripting Interpreter: PowerShell
Modifies Windows Defender TamperProtection settings
Process spawned unexpected child process
Windows security bypass
Unpacked files
SH256 hash:
649695cc337c50bf71bbf43b6c976d7937d6c504332db83e7d9e71213a0ac728
MD5 hash:
7b9957f3d0d8de82d8d64b5c8ae437e2
SHA1 hash:
a83aeabe86879e155d507102e1b71c554f39cfbe
Detections:
win_hopeless_w0
Create hunting rule
Link:
https://www.unpac.me/results/e53c7520-5da6-4449-8322-4d824750406d/
SH256 hash:
249cfcd22e011aff2b6c84ffb85ac07542b6fd728c813a9af26eb4d1e42bcd51
MD5 hash:
372ec327c5de8736badf27807a2c0920
SHA1 hash:
946ceea4eb4630a2c2e5999dd21b34c1b45e706b
Detections:
win_hopeless_w0
Create hunting rule
Link:
https://www.unpac.me/results/e53c7520-5da6-4449-8322-4d824750406d/
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/649695cc337c50bf71bbf43b6c976d7937d6c504332db83e7d9e71213a0ac728

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_Script_PowerShell_Hidden_Launcher
Create hunting rule
Author:Marjoriefort
Description:Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:Veille fraicheur 2026-09-14 / cluster misses web
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:Win_Clipboard_Clipper_Thengavar
Create hunting rule
Author:Thengavar
Description:Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/90908/

Comments