MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c3a7f886a544fc56e91b7232402a1d86282165e2699b7bf36e2b1781cb2adc2. 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



Emotet (aka Heodo)


Vendor detections: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: 1c3a7f886a544fc56e91b7232402a1d86282165e2699b7bf36e2b1781cb2adc2
SHA3-384 hash: c7c0bd09032ec2c82a69bd9f7b40ef5ed92de0af68dc4d14aa1cb3c7242aae39fed612f44a58c0be5bc9c57af0ef9bbd
SHA1 hash: f87f164125c9506a16ca21cb03104f6a04321592
MD5 hash: 238f7e8cd973a386b61348ab2629a912
humanhash: ink-don-carbon-tennis
File name:OMICS Online_1.one
Download: download sample
Signature Heodo
File size:120'428 bytes
First seen:2023-03-17 07:43:02 UTC
Last seen:2023-03-17 07:43:05 UTC
File type:Microsoft OneNote (one) one
MIME type:application/octet-stream
ssdeep 1536:RDBoTVdaeNtuXndCrJJmT4HVnteV4FrdMiYcx7bfCb6HPdnXW:1BoC+tCYvSMVnte8ZP1Y6Jm
TLSH T12AC33BF1A8025C0AE123C976B1FB661399D051ED42283B2BF87D507DD978A20D5DD8EF
Reporter TeamDreier
Tags:Emotet Heodo one

Intelligence


File Origin
# of uploads :
2
# of downloads :
684
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malicious
File Type:
OneNote File - Malicious
Behaviour
SuspiciousEmbeddedObjects detected
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Document exploit detected (process start blacklist hit)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Run temp file via regsvr32
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected Emotet
Yara detected Malicious OneNote
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 828485 Sample: OMICS_Online_1.one Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 35 129.232.188.93 xneeloZA South Africa 2->35 37 185.4.135.165 TOPHOSTGR Greece 2->37 39 22 other IPs or domains 2->39 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 6 other signatures 2->55 10 ONENOTE.EXE 51 377 2->10         started        signatures3 process4 process5 12 wscript.exe 2 10->12         started        17 ONENOTEM.EXE 1 10->17         started        dnsIp6 47 penshorn.org 203.26.41.131, 443, 49698 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 12->47 31 C:\Users\user\AppData\...\rad98E2D.tmp.dll, PE32+ 12->31 dropped 33 C:\Users\user\AppData\Local\Temp\click.wsf, ASCII 12->33 dropped 61 System process connects to network (likely due to code injection or exploit) 12->61 19 regsvr32.exe 12->19         started        file7 signatures8 process9 process10 21 regsvr32.exe 2 19->21         started        file11 29 C:\Windows\...\mmatLGgYnezL.dll (copy), PE32+ 21->29 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->57 25 regsvr32.exe 21->25         started        signatures12 process13 dnsIp14 41 45.235.8.30, 49738, 8080 WIKINETTELECOMUNICACOESBR Brazil 25->41 43 169.57.156.166, 8080 SOFTLAYERUS United States 25->43 45 22 other IPs or domains 25->45 59 System process connects to network (likely due to code injection or exploit) 25->59 signatures15
Threat name:
Win32.Trojan.OneNote
Status:
Malicious
First seen:
2023-03-16 04:03:00 UTC
File Type:
Document
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Drops file in Program Files directory
Drops file in Windows directory
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_Emotet_OneNote_Delivery_wsf_Mar23
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Microsoft OneNote files used to deliver Emotet (.wsf Payload)
Reference:https://www.secuinfra.com/en/news/the-whale-surfaces-again-emotet-epoch4-spam-botnet-returns/
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:QbotStuff
Author:anonymous
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.

Malspam

Heodo

Microsoft OneNote (one) one 1c3a7f886a544fc56e91b7232402a1d86282165e2699b7bf36e2b1781cb2adc2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments