MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 919a5cfc45d37267ee346e4fc80dc04c54c974bf37eeeb2283ee5e7e7357b38e. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 919a5cfc45d37267ee346e4fc80dc04c54c974bf37eeeb2283ee5e7e7357b38e
SHA3-384 hash: 06f6787b3764f0241b5cd742b0b1b8cab8441507fac4da5f307f8f0fd8fae9d0b6ad92cb0f6f18555fcebe16ab071da0
SHA1 hash: ca198c6b87f612b05600995ef34aeb7100a23e5d
MD5 hash: 273a9c19ce85028d3ca2e8e42a3a8e1b
humanhash: cola-potato-fish-glucose
File name:system_service.exe
Download: download sample
File size:68'236'910 bytes
First seen:2025-10-11 21:58:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (39 x BlankGrabber, 16 x PythonStealer, 16 x SalatStealer)
ssdeep 1572864:5YyXEPv/HHwAluzKcLEpR/HW6Ih4bANT1Eo4yfrC:6yUn/HHwMkhQpR/26IhS3Wr
TLSH T147E73388AB947DD4F85EA73F8880D704E9E0353C55164AC79BB80A743D876EE8FBC251
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter smica83
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
160
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
system_service.exe
Verdict:
Malicious activity
Analysis date:
2025-10-11 21:59:54 UTC
Tags:
pyinstaller python telegram ims-api generic
Link:
https://app.any.run/tasks/5d2498cb-1abc-4c71-8f45-0aa7d2b6ff02

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ead359f2ca2f143e417cb5
Tags:
extens shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Launching a process
DNS request
Connection attempt
Delayed reading of the file
Blocking the Windows Defender launch
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand lolbin microsoft_visual_cc overlay overlay packed packed pyinstaller
Link:
https://www.filescan.io/uploads/68ead314fe81c560ba5739b9/reports/49202bf7-9958-4623-bcc9-949d591124c8/overview
Verdict:
Malicious
Labled as:
Generik.BRVGQEY trojan
Link:
https://www.hybrid-analysis.com/sample/919a5cfc45d37267ee346e4fc80dc04c54c974bf37eeeb2283ee5e7e7357b38e
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-11T19:17:00Z UTC
Last seen:
2025-10-11T22:10:00Z UTC
Hits:
~100
Detections:
Worm.Win32.Cridex.sb Worm.Win32.Cridex.afoy PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/919a5cfc45d37267ee346e4fc80dc04c54c974bf37eeeb2283ee5e7e7357b38e/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1793452
Signature
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Disables Windows Defender (via service or powershell)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies Windows Defender protection settings
Multi AV Scanner detection for submitted file
Sigma detected: Disable Windows Defender AV Security Monitoring
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Uses the Telegram API (likely for C&C communication)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793452 Sample: system_service.exe Startdate: 12/10/2025 Architecture: WINDOWS Score: 88 90 api.telegram.org 2->90 94 Multi AV Scanner detection for submitted file 2->94 96 Sigma detected: Powershell Defender Disable Scan Feature 2->96 98 Joe Sandbox ML detected suspicious sample 2->98 102 2 other signatures 2->102 10 system_service.exe 1001 2->10         started        14 system_service.exe 2->14         started        16 system_service.exe 2->16         started        signatures3 100 Uses the Telegram API (likely for C&C communication) 90->100 process4 file5 74 C:\Users\user\AppData\Local\...\zlib1.dll, PE32+ 10->74 dropped 76 C:\Users\user\AppData\...\win32service.pyd, PE32+ 10->76 dropped 78 C:\Users\user\AppData\...\win32security.pyd, PE32+ 10->78 dropped 86 108 other files (none is malicious) 10->86 dropped 116 Modifies Windows Defender protection settings 10->116 118 Disables Windows Defender (via service or powershell) 10->118 18 system_service.exe 2 10->18         started        80 C:\Users\user\AppData\Local\...\zlib1.dll, PE32+ 14->80 dropped 82 C:\Users\user\AppData\...\win32service.pyd, PE32+ 14->82 dropped 84 C:\Users\user\AppData\...\win32security.pyd, PE32+ 14->84 dropped 88 108 other files (none is malicious) 14->88 dropped 22 system_service.exe 14->22         started        24 system_service.exe 16->24         started        signatures6 process7 dnsIp8 92 api.telegram.org 149.154.167.220, 443, 49721, 49722 TELEGRAMRU United Kingdom 18->92 104 Modifies Windows Defender protection settings 18->104 106 Disables Windows Defender (via service or powershell) 18->106 108 Disable Task Manager(disabletaskmgr) 18->108 110 Disables the Windows task manager (taskmgr) 18->110 26 cmd.exe 18->26         started        29 cmd.exe 1 18->29         started        31 cmd.exe 18->31         started        39 18 other processes 18->39 33 cmd.exe 22->33         started        35 cmd.exe 22->35         started        41 6 other processes 22->41 37 cmd.exe 24->37         started        43 4 other processes 24->43 signatures9 process10 signatures11 112 Modifies Windows Defender protection settings 26->112 114 Disables Windows Defender (via service or powershell) 26->114 45 2 other processes 26->45 48 2 other processes 29->48 50 2 other processes 31->50 52 2 other processes 33->52 54 2 other processes 35->54 56 2 other processes 37->56 58 31 other processes 39->58 60 9 other processes 41->60 62 2 other processes 43->62 process12 signatures13 64 Conhost.exe 45->64         started        66 Conhost.exe 58->66         started        68 Conhost.exe 58->68         started        70 Conhost.exe 58->70         started        120 Loading BitLocker PowerShell Module 60->120 72 Conhost.exe 60->72         started        process14
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/919a5cfc45d37267ee346e4fc80dc04c54c974bf37eeeb2283ee5e7e7357b38e
Gathering data
Verdict:
Malicious
Threat:
Win64.Malware.Generic
Link:
https://tip.neiki.dev/file/919a5cfc45d37267ee346e4fc80dc04c54c974bf37eeeb2283ee5e7e7357b38e
Threat name:
Win64.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-10-11 15:16:57 UTC
File Type:
PE+ (Exe)
Extracted files:
3143
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgnfz7cf2nzgp3runzh4qdoajrkms5f7g7xowiud5zph442xwoha._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion evasion execution persistence pyinstaller trojan
Link:
https://tria.ge/reports/251011-1vvd3axvhy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Launches sc.exe
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Disables automatic submission of suspicious files to Microsoft by Windows Defender
Disables service(s)
Loads dropped DLL
Stops running service(s)
Windows security modification
Disables Task Manager via registry modification
Disables one or more Microsoft Defender components
Modifies Windows Defender DisableAntiSpyware settings
Modifies Windows Defender TamperProtection settings
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/838f2b52-5657-4285-b889-362c074b7ff8
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/919a5cfc45d3/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: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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:Detect_PyInstaller
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

Comments