MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f04a1a7e352faec6be52c5b658638190ecdeb2d2607429dbabd66e51f77b5d1. 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

SHA256 hash: 1f04a1a7e352faec6be52c5b658638190ecdeb2d2607429dbabd66e51f77b5d1
SHA3-384 hash: a6446a45a4ae06ba8a6530b089644afbe48fe1e836f87215c5eeffe15c2adada1385d7d5b91f719329e8388579c3affc
SHA1 hash: 374300e6d4e5f86aa676a93447b78a51837c57dc
MD5 hash: 18f38747d07acd4ffe58f9eb9e372ec7
humanhash: robert-eight-xray-mexico
File name:Payment Details.doc.exe
Download: download sample
Signature NanoCore
File size:349'696 bytes
First seen:2020-06-16 10:57:42 UTC
Last seen:2020-06-17 09:20:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:f5vZ7IRH9DaZHOYHU93/DnHUzXiei+/Z4zj1bIpDZmXE4icgR0f45RlK4s:fF9GH9DaZLi/zyieig4BQlAJiesm4
Threatray 1'253 similar samples on MalwareBazaar
TLSH 8E74015E639C5726CE6C837DC0E0240A03F9A5923523EB9F7DC034AE5DA77E84A13667
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: yahoo.com
Sending IP: 37.49.224.140
From: Farhad <multimarmer@yahoo.com>
Subject: Re: Payment Receipt
Attachment: Payment Details.doc.exe

NanoCore RAT C2:
wazzy.ddns.net:1716 (194.5.99.24)

Pointing to nVpn:

% Information related to '194.5.99.0 - 194.5.99.255'

% Abuse contact for '194.5.99.0 - 194.5.99.255' is 'abuse@inter-cloud.tech'

inetnum: 194.5.99.0 - 194.5.99.255
netname: Privacy_Online
remarks: ------------------------------------------------------------------------
remarks: This prefix is used by a non-logging VPN service provider.
remarks: We don't log any user activities.
remarks: We don't host anything else on our servers than VPN software (OpenVPN,
remarks: IKEv1 & 2, WireGuard ...).
remarks: Our customers can open up to 8 Ports (TCP & UDP).
remarks: We support the Tor Project: https://www.torproject.org
remarks: Before sending us potential complaints, please read:
remarks: https://www.torservers.net/abuse.html
remarks:
remarks: We are under constant pressure by Spamhaus.
remarks: Spamhaus issues tons of fake SBL listings in order to destroy our service.
remarks: They use fake identities, violate EU laws and hide outside the EU in
remarks: Andorra to avoid legal consequences.
remarks: Please don't trust this organization.
remarks: If you have any questions related to our service, please contact us
remarks: directly via e-mail: support@inter-cloud.tech
remarks:
remarks: Thank you.
remarks: ------------------------------------------------------------------------
admin-c: RA9926-RIPE
tech-c: RA9926-RIPE
org: ORG-NFAS6-RIPE
country: GB
status: ASSIGNED PA
mnt-by: inter-cloud-mnt
created: 2019-07-20T20:42:53Z
last-modified: 2020-03-10T21:28:31Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-06-16 10:59:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore evasion
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
wazzy.ddns.net:1716
194.5.99.24:1716
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 1f04a1a7e352faec6be52c5b658638190ecdeb2d2607429dbabd66e51f77b5d1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments