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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a7763fb8494ab3cc18d70db2802a0281ebe77ebbf7ea04f7ef2da01332b8bc0. 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


PhantomStealer


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a7763fb8494ab3cc18d70db2802a0281ebe77ebbf7ea04f7ef2da01332b8bc0
SHA3-384 hash: 878f92dda5e4a3af64d86e1ddc76b6fab9063345cb9e5711d87df172c1cb1fa83d234158db37beecd281fb14147eae48
SHA1 hash: 3e682b1aa13f551af3bbcf15f1c4e8d8bf1ae379
MD5 hash: 10b641881d7fa003932b64762d2676ed
humanhash: twelve-finch-batman-alpha
File name:263077-MM_SPAREPARTS.JS
Download: download sample
Signature PhantomStealer
Create hunting rule
File size:9'507'522 bytes
First seen:2026-10-05 08:58:05 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 196608:DOzLe9tZJ8jqbWS20QoIQlUV7eKihq8/Er3HtdvayN0RcyUR5zXNvkJmllvSF/Bo:ZbWXXoIaUV4qPtdyy/yi5r2JmXvSHcRR
TLSH T198A628A71354A632772AAB8CC236DC60A58E704365C5CF3831ADF208775CD4BB39D6E6
Magika txt
Reporter abuse_ch
Tags:js PhantomStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
161
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Trojan.JS.Agent.31288.32279.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Labled as:
JS/TrojanDropper.ModiLoader
Link:
https://www.hybrid-analysis.com/sample/8a7763fb8494ab3cc18d70db2802a0281ebe77ebbf7ea04f7ef2da01332b8bc0
Verdict:
Malicious
File Type:
js
First seen:
2026-10-05T03:34:00Z UTC
Last seen:
2026-10-06T06:15:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/8a7763fb8494ab3cc18d70db2802a0281ebe77ebbf7ea04f7ef2da01332b8bc0/results?tab=lookup
Result
Threat name:
chromElevator
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1982231
Signature
Allocates memory in foreign processes
Benign windows process drops PE files
Creates a thread in another existing process (thread injection)
Drops PE files to the document folder of the user
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
JavaScript source code contains call to eval() to check own source code (likely for evading instrumentation)
JavaScript source code contains functionality to generate code involving a shell, file or stream
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Yara detected chromElevator
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1982231 Sample: 263077-MM_SPAREPARTS.JS.js Startdate: 05/10/2026 Architecture: WINDOWS Score: 100 53 smtp.1and1.es 2->53 55 icanhazip.com 2->55 69 Malicious sample detected (through community Yara rule) 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Yara detected chromElevator 2->73 75 3 other signatures 2->75 10 wscript.exe 1 3 2->10         started        signatures3 process4 file5 51 C:\Users\user\...\KPSPWLGVRBCWSSBR.exe, PE32+ 10->51 dropped 77 Benign windows process drops PE files 10->77 79 Drops PE files to the document folder of the user 10->79 81 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->81 83 2 other signatures 10->83 14 KPSPWLGVRBCWSSBR.exe 14 7 10->14         started        signatures6 process7 dnsIp8 57 smtp.1and1.es 213.165.67.103, 49753, 49756, 587 IONOS-ASThisisthejointnetworkforIONOSFasthostsArsys11MailandMediaand11TelecomFormerlyknownas11InternetSEDE Germany 14->57 59 icanhazip.com 104.16.185.241, 49755, 80 CLOUDFLARENET-CloudflareIncUS Canada 14->59 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->85 87 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->87 89 Tries to steal Mail credentials (via file / registry access) 14->89 91 7 other signatures 14->91 18 rundll32.exe 7 14->18         started        21 rundll32.exe 14->21         started        23 rundll32.exe 14->23         started        25 conhost.exe 14->25         started        signatures9 process10 signatures11 61 Writes to foreign memory regions 18->61 63 Allocates memory in foreign processes 18->63 65 Creates a thread in another existing process (thread injection) 18->65 27 chrome.exe 18->27         started        29 msedge.exe 18->29         started        31 conhost.exe 18->31         started        67 Injects a PE file into a foreign processes 21->67 33 chrome.exe 21->33         started        35 msedge.exe 21->35         started        37 conhost.exe 21->37         started        39 chrome.exe 23->39         started        41 conhost.exe 23->41         started        43 msedge.exe 23->43         started        process12 process13 45 WerFault.exe 3 21 27->45         started        47 WerFault.exe 21 33->47         started        49 WerFault.exe 39->49         started       
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a7763fb8494ab3cc18d70db2802a0281ebe77ebbf7ea04f7ef2da01332b8bc0/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rj3wh64essvtzqmnodnsqavafapl457lx57kat366lnacmzlrpaa._file
Verdict:
malicious
Label(s):
ChromElevator
Create hunting rule
ChromeInjector
Create hunting rule
DonutLoader
Create hunting rule
PhantomStealer
Create hunting rule
Link:
https://reports.threatray.com/bdf200cf-7116-46f0-b230-fbdd8d1dfec2
Result
Malware family:
phantom_stealer
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:phantom_stealer collection discovery execution loader spyware stealer
Link:
https://tria.ge/reports/261005-kxd7vs1z5l/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Detects DonutLoader
Family: DonutLoader
Family: PhantomStealer
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/8a7763fb8494ab3cc18d70db2802a0281ebe77ebbf7ea04f7ef2da01332b8bc0

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:MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects AgentTesla (inconnu, etat extrait)
Rule name:SUSP_VBS_Randomized_ActiveX_Downloader
Create hunting rule
Author:Marjoriefort
Description:Dropper VBS obfusque : ActiveXObject a identifiant randomise (20 MAJ), SaveToFile, .Run
Reference:Veille fraicheur 2026-09-14 / grappe VBS randomisee

File information

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

Comments