MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a77da805202bbf48288c9364a233da404b6859eee717c35814a152affca602e1. 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

SHA256 hash:	a77da805202bbf48288c9364a233da404b6859eee717c35814a152affca602e1
SHA3-384 hash:	88508f247dab582c1cbbdb8792e254019429719e45db05da887f05a0a6622d0a629f935854443b69c2b0d91ade4198ba
SHA1 hash:	c739e683b6887339ba68de7785766c005a3b31c2
MD5 hash:	ecdd7876aeb82794eb5f5043001b3a45
humanhash:	minnesota-hamper-zulu-washington
File name:	Halkbank_Ekstre_20260806_082357_541079.js
Download:	download sample
Signature	XWorm Alert Create hunting rule
File size:	59'002 bytes
First seen:	2026-08-06 14:36:22 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	192:BViPlDKhna1yO1pFj8ttFdNzBS5bogWD5v:BViPlGhapFQvFdNzBSygWD5v
TLSH	T148431C385C4ACCFCFA528641FA52FA09EB735348C1A06769981FB7F36ED4C29801D796
Magika	javascript
Reporter	abuse_ch
Tags:	geo Halkbank js TUR xworm

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

162

Origin country :

SE

Vendor Threat Intelligence

ACCE Unknown

No detections

ClamAV Detected

Detection(s):

SecuriteInfo.com.VBS.Obfus-201.UNOFFICIAL

Alert

Create hunting rule

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

anti-vm base64 evasive fingerprint obfuscated overlay powershell repaired

Link:

https://www.filescan.io/uploads/6a749bf9e9f93e63971b71e5/reports/44d4bfcf-729e-4b7b-843a-e45406ddea3c/overview

Hybrid Analysis SVM:TrojanDownloader/JS.MalBehav.gen

Verdict:

Malicious

Labled as:

SVM:TrojanDownloader/JS.MalBehav.gen

Link:

https://www.hybrid-analysis.com/sample/a77da805202bbf48288c9364a233da404b6859eee717c35814a152affca602e1

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2026-08-06T06:46:00Z UTC

Last seen:

2026-08-08T06:43:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/a77da805202bbf48288c9364a233da404b6859eee717c35814a152affca602e1/results?tab=lookup

Joe Sandbox XWorm

Result

Threat name:

XWorm

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1953473

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Creates processes via WMI

Found malware configuration

Injects a PE file into a foreign processes

JavaScript source code contains functionality to generate code involving a shell, file or stream

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Obfuscated command line found

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sample uses string decryption to hide its real strings

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: Potential PowerShell Command Line Obfuscation

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: Silenttrinity Stager Msbuild Activity

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

Suspicious powershell command line found

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected AntiVM3

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

77%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/a77da805202bbf48288c9364a233da404b6859eee717c35814a152affca602e1

Malva.RE

Gathering data

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a77da805202bbf48288c9364a233da404b6859eee717c35814a152affca602e1/

ReversingLabs TitaniumCloud Script-JS.Trojan.Generic

Threat name:

Script-JS.Trojan.Generic

Alert

Create hunting rule

Status:

Suspicious

First seen:

2026-08-06 13:00:14 UTC

File Type:

Binary

AV detection:

11 of 24 (45.83%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=u562qbjafo7uqkemsnskem62ibfwqwpo44l4gwauufjk77fgalqq._file

Threatray XWorm

Verdict:

malicious

Label(s):

XWorm

Alert

Create hunting rule

Link:

https://reports.threatray.com/b08668f1-ddc6-4348-88b6-69bee6d2f02b

Hatching Triage xworm

Result

Malware family:

xworm

Alert

Create hunting rule

Score:

  10/10

Tags:

family:xworm discovery execution rat trojan

Link:

https://tria.ge/reports/260806-ry1ktaxxd1/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Command and Scripting Interpreter: PowerShell

Badlisted process makes network request

Detect Xworm Payload

Family: Xworm

Process spawned unexpected child process

Malware Config

C2 Extraction:

217.60.195.193:443

Dropper Extraction:

https://muddy-sound-e0cd.nodetectonn.workers.dev/Ljwev

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Suspicious File

Threat name:

Suspicious File

Score:

0.55

Link:

https://yomi.yoroi.company/submissions/a77da805202bbf48288c9364a233da404b6859eee717c35814a152affca602e1