MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f008745afdae7a3936038812a754d85b29c10f394f37a2e123c790d66359c53. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: 8f008745afdae7a3936038812a754d85b29c10f394f37a2e123c790d66359c53
SHA3-384 hash: f4f12db43310adcc230f51e2fc4296bac157298a804a204704588faa9484aeed35a11e77fb95d1d31d8b966334d1e548
SHA1 hash: f91581919f5f843f95ebb69612b74cd1b565ac50
MD5 hash: 1ee09552bd50279af58a2def9e3dda52
humanhash: london-texas-zebra-single
File name:RFQ Inquiry - Ref 000002045361,XLS.JS
Download: download sample
File size:6'108'927 bytes
First seen:2025-05-26 09:14:02 UTC
Last seen:2025-05-27 06:39:06 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:i88f7ui9HnKIPXD+gB46+Tw4ihPY3fWRoDIZeeYwZhFONP5HoxuQadYt5NNDJN9v:i88EO7Mx4YnPckPQGyGP88E
TLSH T1C756DE40FE076AC4C7175E7D2E207FAD1CE5E1B6A3E77B1C36217C926628848E1E2D25
Magika javascript
Reporter smica83
Tags:js webmail-aruba-it--ajaxfile

Intelligence


File Origin
# of uploads :
2
# of downloads :
525
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme shell
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 obfuscated
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
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)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2025-05-26 03:25:48 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 24 (25.00%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Malware Config
Dropper Extraction:
https://webmail.aruba.it/smart/cgi-bin/ajaxfile?ACT_FIL_DL=1&PUBLICUID=@1.VFMxM0RLUmlpak5VUCt4RkdEU3luR3VzRmxneHAzUStkTzBJZythWmhBYXR2Rng3R2dCNVl5V3djYTBnV0luVA==
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:Base64_Encoded_Powershell_Directives

File information


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

Comments