MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cff3d5fedc8fdab09a7b27524a02503b53f4f7378ab0a09219701d3b9c3e68f4. 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

SHA256 hash: cff3d5fedc8fdab09a7b27524a02503b53f4f7378ab0a09219701d3b9c3e68f4
SHA3-384 hash: b4f88ad46bd22249e6c66787731fb0d4ae1b17344075bf2a68c48cb8d8bc80289d2b5d177c94ffc5c5a886dfc6d71809
SHA1 hash: 316f61f63f103bad9c1e861c8c5b7ba93dd2f17b
MD5 hash: 7e889f17508d95e56a1ee333fe79f593
humanhash: cup-quiet-kansas-kilo
File name:PAYMENTSLIP-TT COPY-XSLX.exe
Download: download sample
Signature NanoCore
File size:421'888 bytes
First seen:2020-06-01 20:00:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:qamRurAiBV1ntZsaOSNgXAWcRdrAbgZ/nolT:q7RurAiBVvuaOKHWAW
Threatray 2'503 similar samples on MalwareBazaar
TLSH E6949BEA717B500EF4C0AAFDA091A04C12A69C0D6C4DA26D5956A2B1C4FEF4D4F0FF36
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: unwto.org
Sending IP: 37.49.224.166
From: CEO-CFO <CEO.CFOmt@unwto.org>
Subject: qc@solidchannel.com DOWNLOAD AND PREVIEW ATTACHMENT S
Attachment: PAYMENTSLIP-TT COPY-XSLX.exe

NanoCore RAT C2:
drftybun.ddns.net:3702 (185.165.153.15)

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 :
66
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-06-01 07:59:34 UTC
AV detection:
21 of 31 (67.74%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
rezer0
CoreEntity .NET Packer
NanoCore
Malware Config
C2 Extraction:
drftybun.ddns.net:3702
127.0.0.1:3702
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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
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

Executable exe cff3d5fedc8fdab09a7b27524a02503b53f4f7378ab0a09219701d3b9c3e68f4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments