MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 639ca74798e27093c997e009a577130014a0f2539cb54f0031219ca13e8e8765. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: 639ca74798e27093c997e009a577130014a0f2539cb54f0031219ca13e8e8765
SHA3-384 hash: 15c200694e29ae0f5d165a327cb51617b0c849598bc59940034ecef325c3044bf5738dcc34d98450dd7be231fc673be3
SHA1 hash: 9603158ec8cd2dd2c27e279106409c5c49be8dd2
MD5 hash: e36d48a8a131c9bb48d7a3f5854a82ae
humanhash: massachusetts-lamp-kitten-magazine
File name:invoice-1645080830.pdf (130).js
Download: download sample
File size:70'652 bytes
First seen:2025-12-23 08:27:57 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:I9l/AoSSMdBuhcbo/Yyn3OEm5pAJBQdHTPZjJR8aR9dLKl3BEh62YhCR73DkRRux:I9l/5M78usriT1
TLSH T1FA6338EB1E94FD5289AA8795BCD853CCE488D92A5C3FB0702145F1C53E067CAB47B9B0
Magika txt
Reporter JAMESWT_WT
Tags:js

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 evasive masquerade obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2025-12-23T05:42:00Z UTC
Last seen:
2025-12-23T14:08:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.Script.Agent.gen HEUR:Trojan.Script.Generic HEUR:Trojan.PowerShell.Generic NetTool.PowerShellUA.HTTP.C&C NetTool.PowerShellGet.HTTP.C&C
Gathering data
Threat name:
Script-JS.Trojan.XWorm
Status:
Malicious
First seen:
2025-12-23 08:28:20 UTC
File Type:
Text (JavaScript)
AV detection:
4 of 24 (16.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Badlisted process makes network request
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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Comments