MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2c948628ea4303d03418849690068004ccfaf58db9568e9c2daf323c2a2d8f5. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments

SHA256 hash: a2c948628ea4303d03418849690068004ccfaf58db9568e9c2daf323c2a2d8f5
SHA3-384 hash: bdee12d6d597183f87ee9ec79494eafa1c01d49366e25f18e9cd7e17c065576c72339dd46750e194a69aa5a5713d49b8
SHA1 hash: 929a0bd89bf050dd65a2ea02ce828854c4856e74
MD5 hash: c35b7e980b618f8cf19c5a7a801c3e5b
humanhash: iowa-mango-robin-maryland
File name:8e88539cb1ba27f08b1a85571d0944ab2e1b1e65674a7d063f618c27
Download: download sample
File size:112'264 bytes
First seen:2023-10-15 16:07:59 UTC
Last seen:Never
File type:Microsoft OneNote (one) one
MIME type:application/octet-stream
ssdeep 3072:BhYgS2EJbyYeMYkKkyX3DWvLLATiaRgZia:VhjZrHDghN
TLSH T1EAB3E026F591821ADB2A413809E7AFB4B3737D1290926B1FDFB61A2C4DF0184CC5579F
Reporter r3dbU7z
Tags:Downloader one ZNeNote

Intelligence


File Origin
# of uploads :
1
# of downloads :
170
Origin country :
RU RU
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
72 / 100
Signature
Bypasses PowerShell execution policy
Document exploit detected (process start blacklist hit)
Multi AV Scanner detection for submitted file
Opens network shares
Suspicious powershell command line found
Yara detected Malicious OneNote
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1326213 Sample: 8e88539cb1ba27f08b1a85571d0... Startdate: 16/10/2023 Architecture: WINDOWS Score: 72 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected Malicious OneNote 2->25 27 Document exploit detected (process start blacklist hit) 2->27 7 ONENOTE.EXE 93 429 2->7         started        9 ONENOTEM.EXE 2->9         started        process3 process4 11 cmd.exe 1 7->11         started        14 ONENOTEM.EXE 4 7->14         started        signatures5 29 Suspicious powershell command line found 11->29 31 Bypasses PowerShell execution policy 11->31 16 powershell.exe 7 11->16         started        19 conhost.exe 11->19         started        process6 signatures7 21 Opens network shares 16->21
Threat name:
Win32.Trojan.ZNeNote
Status:
Malicious
First seen:
2023-10-15 16:08:05 UTC
File Type:
Document
AV detection:
11 of 22 (50.00%)
Threat level:
  5/5
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:MALWARE_OneNote_Delivery_Jan23
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects suspicious Microsoft OneNote files used to deliver Malware
Reference:https://twitter.com/James_inthe_box/status/1615421130877329409
Rule name:OneNote_EmbeddedFiles_NoPictures
Author:Nicholas Dhaeyer - @DhaeyerWolf
Description:OneNote files that contain embedded files that are not pictures.
Reference:https://blog.didierstevens.com/2023/01/22/analyzing-malicious-onenote-documents/
Rule name:OneNote_magic
Author:Stuart Gonzalez
Rule name:onenote_maldocs
Author:Stuart Gonzalez
Rule name:SUSP_OneNote
Author:spatronn
Description:Hard-Detect One

File information


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

Web download

Microsoft OneNote (one) one a2c948628ea4303d03418849690068004ccfaf58db9568e9c2daf323c2a2d8f5

(this sample)

  
Delivery method
Distributed via web download

Comments