MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4291277336e3c27f2cc05278635f7724fa2ff4af06a547ca5a04ac91c3d71fa0. 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: 5


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

SHA256 hash: 4291277336e3c27f2cc05278635f7724fa2ff4af06a547ca5a04ac91c3d71fa0
SHA3-384 hash: 485b610cca2813d44e638966073bcb0290af1fc27008ba77cfa7f4249eeaeeecd0719781feea2f0882abb97b3906aa95
SHA1 hash: bfe3d60f8d17102574876251d563a3ddca5b1492
MD5 hash: 85d87afa3200027e5255f1677109c157
humanhash: violet-oven-nuts-six
File name:PAYMENT_0886758E...PDF.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:429'568 bytes
First seen:2020-06-10 09:58:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:qZcl9hyB5TVR8QkaTZloXtuVv/yeZPG7fVQOWHB:qa85TDlfFloXtuCF
Threatray 5'412 similar samples on MalwareBazaar
TLSH B8949D8D3650B2DFC86BD97289A82C249B5061BB5317D347A44712EDAE0D7E7CF142E3
Reporter abuse_ch
Tags:BGR exe geo NanoCore nVpn RAT UniCredit


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: konzolvilag.hu
Sending IP: 37.221.209.134
From: UniCredit Bulbank <info@aberniew.com>
Subject: Re: ПОТВЪРЖДЕНИЕ ЗА ПЛАЩАНЕ
Attachment: PAYMENT_0886758E...PDF.r11 (contains "PAYMENT_0886758E...PDF.exe")

NanoCoreRAT C2:
kcbill.ooguy.com:6331 (185.165.153.6)

Pointing to nVpn:

% Information related to '185.165.153.0 - 185.165.153.255'

% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacy-matters.co'

inetnum: 185.165.153.0 - 185.165.153.255
netname: PRIVACY_MATTERS
remarks: This prefix belongs to a VPN service provider.
remarks: For us the privacy of our customers matters, which means we store no logs
remarks: related to any IP addresses.
remarks: Spamhaus, please note that blacklisting the clean prefixes of our hosting
remarks: partners and upstream providers is an act of coercion and will no longer
remarks: be tolerated.
remarks: Coercion is punishable by a custodial sentence or by a monetary penalty.
remarks: If you continue such practice we will not only take legal actions against
remarks: your organization, but also make such blackmailing attempts public in the
remarks: media.
country: AT
admin-c: PMVS3-RIPE
tech-c: PMVS3-RIPE
org: ORG-PMVS1-RIPE
status: ASSIGNED PA
mnt-by: PM-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2019-10-18T13:31:16Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-10 10:00:10 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikiso4zw4pbh6lgakj4ggx3xet5c75fpa2supss2aswjdq6xd6qa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 5'402 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-p1e8pt8y6a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
kcbill.ooguy.com:6331
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

rar 8f93aeec264f87f09b2247f1dd0884adaf05a6f3af0f647d5f6543ec57be088d

NanoCore

Executable exe 4291277336e3c27f2cc05278635f7724fa2ff4af06a547ca5a04ac91c3d71fa0

(this sample)

  
Dropped by
MD5 66017398c2a30152198e8d2125721e59
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8f93aeec264f87f09b2247f1dd0884adaf05a6f3af0f647d5f6543ec57be088d

Comments