MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9b7ebd3ed5c20181ce591ee99ed4bd579c41771968bcd7ee81341e12352cfa0. 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



SilentStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: f9b7ebd3ed5c20181ce591ee99ed4bd579c41771968bcd7ee81341e12352cfa0
SHA3-384 hash: 348a218ef57bcfa2d9862f13931001f85133370c0f2a9989daf64b50ca71b1c7ac0f9774c8b4f49d87d357050f89b60b
SHA1 hash: 5d47db03627dd346ac12ba9bc9c2f6019704d1ef
MD5 hash: 63777461ba23cfd7d77824c8fd823f7b
humanhash: zulu-juliet-lake-finch
File name:Loader.exe
Download: download sample
Signature SilentStealer
File size:62'845'244 bytes
First seen:2026-03-25 11:39:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (584 x GuLoader, 129 x RemcosRAT, 84 x EpsilonStealer)
ssdeep 1572864:N0R+qvDN3McRhh8OaFOHI3tDAwjjMg9bK6phhG0VI4ibm:N0HDN3lhh1aZlAgN9bXp/J/
TLSH T19DD73350B299FE3CF0898678787FA72A0807E9D23384E0DADE1F565DE62DC43B991057
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon c4dadadad2f492c2 (138 x GuLoader, 49 x RemcosRAT, 23 x VIPKeylogger)
Reporter burger
Tags:exe SilentStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
139
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Loader.exe
Verdict:
Malicious activity
Analysis date:
2026-03-25 11:38:40 UTC
Tags:
electron-js stealer python

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a window
Searching for the window
Creating a file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching the process to interact with network services
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Unauthorized injection to a recently created process
Launching a tool to kill processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole crypto fingerprint installer installer installer-heuristic microsoft_visual_cc nsis packed soft-404
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-25T08:53:00Z UTC
Last seen:
2026-03-25T11:05:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Alien.akhj HEUR:Trojan.Script.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
96 / 100
Signature
Excessive usage of taskkill to terminate processes
Found pyInstaller with non standard icon
Joe Sandbox ML detected suspicious sample
Potential malicious VBS script found (suspicious strings)
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal communication platform credentials (via file / registry access)
Unusual module load detection (module proxying)
Uses taskkill to terminate AV processes
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1888809 Sample: Loader.exe Startdate: 25/03/2026 Architecture: WINDOWS Score: 96 119 shed.dual-low.part-0041.t-0009.t-msedge.net 2->119 121 pypi.org 2->121 123 10 other IPs or domains 2->123 135 Sigma detected: WScript or CScript Dropper 2->135 137 Joe Sandbox ML detected suspicious sample 2->137 139 Sigma detected: Rare Remote Thread Creation By Uncommon Source Image 2->139 141 2 other signatures 2->141 12 loader.exe 20 2->12         started        16 Loader.exe 12 729 2->16         started        signatures3 process4 file5 109 C:\Users\user\AppData\Local\...\elevate.vbs, ASCII 12->109 dropped 157 Uses taskkill to terminate AV processes 12->157 159 Potential malicious VBS script found (suspicious strings) 12->159 161 Tries to steal communication platform credentials (via file / registry access) 12->161 163 2 other signatures 12->163 18 cmd.exe 12->18         started        20 cmd.exe 12->20         started        23 cmd.exe 12->23         started        25 2 other processes 12->25 111 C:\Users\user\AppData\Local\...\loader.exe, PE32+ 16->111 dropped 113 C:\Users\user\AppData\Local\...\nsis7z.dll, PE32 16->113 dropped 115 C:\Users\user\AppData\Local\...\System.dll, PE32 16->115 dropped 117 45 other files (none is malicious) 16->117 dropped signatures6 process7 signatures8 27 wscript.exe 18->27         started        30 conhost.exe 18->30         started        143 Excessive usage of taskkill to terminate processes 20->143 32 conhost.exe 20->32         started        34 taskkill.exe 20->34         started        36 net.exe 23->36         started        38 conhost.exe 23->38         started        process9 signatures10 153 Windows Scripting host queries suspicious COM object (likely to drop second stage) 27->153 155 WScript reads language and country specific registry keys (likely country aware script) 27->155 40 loader.exe 27->40         started        45 conhost.exe 27->45         started        47 taskkill.exe 27->47         started        49 conhost.exe 32->49         started        51 taskkill.exe 32->51         started        53 net1.exe 36->53         started        process11 dnsIp12 125 gcp-us-west1-1.origin.onrender.com.cdn.cloudflare.net 216.24.57.7, 443, 49699, 49719 RENDERUS United States 40->125 127 a918.dscr.akamai.net 23.206.188.43, 443, 49698 AKAMAI-ASN1EU United States 40->127 129 192.168.2.16 unknown unknown 40->129 101 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 40->101 dropped 103 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 40->103 dropped 105 C:\Users\user\AppData\Local\...\pythonw.exe, PE32+ 40->105 dropped 107 761 other files (none is malicious) 40->107 dropped 145 Uses taskkill to terminate AV processes 40->145 147 Tries to harvest and steal browser information (history, passwords, etc) 40->147 149 Excessive usage of taskkill to terminate processes 40->149 151 Tries to steal communication platform credentials (via file / registry access) 40->151 55 cmd.exe 40->55         started        57 cmd.exe 40->57         started        59 cmd.exe 40->59         started        61 65 other processes 40->61 file13 signatures14 process15 dnsIp16 65 esentutl.exe 55->65         started        69 conhost.exe 55->69         started        71 esentutl.exe 57->71         started        73 conhost.exe 57->73         started        75 esentutl.exe 59->75         started        77 conhost.exe 59->77         started        131 pypi.org 151.101.128.223, 443, 49703, 49704 FASTLYUS United States 61->131 165 Excessive usage of taskkill to terminate processes 61->165 79 esentutl.exe 61->79         started        81 esentutl.exe 61->81         started        83 116 other processes 61->83 signatures17 process18 file19 87 C:\Users\user\AppData\Local\...\Login Data, SQLite 65->87 dropped 133 Tries to harvest and steal browser information (history, passwords, etc) 65->133 89 C:\Users\user\AppData\Local\Temp\...\Cookies, SQLite 71->89 dropped 91 C:\Users\user\AppData\Local\Temp\...\Web Data, SQLite 75->91 dropped 93 C:\Users\user\AppData\Local\Temp\...\History, SQLite 79->93 dropped 95 C:\Users\user\AppData\Local\...\Login Data, SQLite 81->95 dropped 97 C:\Users\user\AppData\Local\Temp\...\Cookies, SQLite 83->97 dropped 99 C:\Users\user\AppData\Local\Temp\...\History, SQLite 83->99 dropped 85 net1.exe 83->85         started        signatures20 process21
Gathering data
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer
Behaviour
Enumerates system info in registry
Kills process with taskkill
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
Hide Artifacts: Hidden Files and Directories
Checks installed software on the system
Indicator Removal: Clear Persistence
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
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:Detect_NSIS_Nullsoft_Installer
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string

File information


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

Comments