MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39dc3a88f6948d7740c6260cdabb5affccf9bcf4da744c4cc44cf674950c7c49. 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


NanoCore


Vendor detections: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39dc3a88f6948d7740c6260cdabb5affccf9bcf4da744c4cc44cf674950c7c49
SHA3-384 hash: 718b2c57c12a56ac769159095d1645d6f4789807584f70a0f13c9fe66abcc948c67b4887be6bbc1ff6bf82833e48b395
SHA1 hash: 4fb81ca0b2471c4df1da1d15c8c5f1eb1debfc27
MD5 hash: 2cd7f015eabf7e256f3795e5a2e5fa08
humanhash: south-item-stairway-oranges
File name:Order BDA-01826346_pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:408'576 bytes
First seen:2020-06-19 16:46:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:Dj8jtWnduXPEMpRbbNf/UCbZs+KCp20PGX3viURW5C4:DutWnduXPEgjf8Us+bxcaUgh
Threatray 1'229 similar samples on MalwareBazaar
TLSH AF94C03C0EEA7A63C67E8379D095010C52E2C27529A6E7CD9D1210F91ACF79BF52325B
Reporter abuse_ch
Tags:exe NanoCore


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: smtpout8.sweb.ru
Sending IP: 77.222.41.119
From: Kathryn Kirk <accounts@aceservices.shop>
Reply-To: sales@steppersexpress.shop
Subject: Order Receipt BDA-01826346
Attachment: Order BDA-01826346_pdf.img (contains "Order BDA-01826346_pdf.exe")

NanoCore RAT C2:
summersyz.duckdns.org:4532

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/9661/
Detection(s):
Win.Malware.Autoit-7340338-0
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-19 17:35:46 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hhodvchwssgxoqggeygnvo2277gptphu3j2eytgejt3hjfimpreq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
21f8a725171c1d96d00ee966f36fd37f19da119510287a5c5301868b6cabe69a
NanoCore
408b676c05cde3623e9271d39c20ec19aaa9ad9882db0f08451442379409be99
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41f79628a7ff72d611f593286f5b70a51c72f8359e6600535b1b3e9772fd7c0c
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5106eff2035cae4bc844f175750857ecffe095b70f7872ddd212bedce7776e80
NanoCore
525ad168dd1152a5dd477791b01b3d6edf0ddf296b72ef04b96a79f1e2a1e499
NanoCore
6ece00da69537d12d933cfc710ef0be2f76ee8d39c111ba1726bd47c8fb8acb1
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c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927
NanoCore
e13cf5e6ff234c9b17ea31450b207f160df74b4cd0361a50b1122352a1750390
NanoCore
efe940e4b5218787397ac871f205567ba5121065acafa31e331ec0a1e905cf1d
NanoCore
+ 1'219 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200624-pdacnzbqea/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Adds Run entry to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
summersyz.duckdns.org:4532
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:ach_NanoCore
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:win_nanocore_w0
Create hunting rule
Author: Kevin Breen <kevin@techanarchy.net>

File information

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

Malspam

NanoCore

img 51309d07d73649c153c821697b8d3899356373b0e4f2185481b974c3d59b1c23

NanoCore

Executable exe 39dc3a88f6948d7740c6260cdabb5affccf9bcf4da744c4cc44cf674950c7c49

(this sample)

  
Dropped by
MD5 c63c6a9f7cdf0b2ba6018dcba15137ff
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 51309d07d73649c153c821697b8d3899356373b0e4f2185481b974c3d59b1c23
Cape
Cape
https://www.capesandbox.com/analysis/9661/

Comments