MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a11f91144b05d42c78e1fb174430043f91ef1274fcd518bfcde14edbaae018dc. 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: a11f91144b05d42c78e1fb174430043f91ef1274fcd518bfcde14edbaae018dc
SHA3-384 hash: c0058c4330e4df42a6f49983affa976cbf3e53c11ce3d8c0c34700b3c0876f49e7198d81063d33bd81c30b24058dcc73
SHA1 hash: 6beb4786e2a43aa8e4c2c6ebdeeef39947a1cbcf
MD5 hash: 21b831fc97f6c794f2c4b055c8ed1e54
humanhash: mississippi-edward-music-earth
File name:INVOICE#C93710.exe
Download: download sample
Signature NanoCore
File size:1'287'680 bytes
First seen:2020-06-03 17:52:08 UTC
Last seen:2020-06-10 07:36:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:ttb20pkaCqT5TBWgNQ7aVOMxFkzVXq3ly/qfl064aXF6A:eVg5tQ7aVO3a30mD4A5
Threatray 1'941 similar samples on MalwareBazaar
TLSH 4555D01373DD8360C7B25273BA25B751BEBF782506A1F56B2FD8093DE920122521EA73
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: zimbra.fcjcorp.com
Sending IP: 54.158.42.8
From: Account Department <pedro.henrique@medbeta.com.br>
Reply-To: noreply@accounts.com
Subject: Invoice#C93710
Attachment: INVOICEC93710.IMG (contains "INVOICE#C93710.exe")

NanoCore RAT C2:
u852117.nvpn.so:5638 (194.5.97.44)

Pointing to nVpn:

% Information related to '194.5.97.0 - 194.5.97.255'

% Abuse contact for '194.5.97.0 - 194.5.97.255' is 'abuse@inter-cloud.tech'

inetnum: 194.5.97.0 - 194.5.97.255
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: RU
status: SUB-ALLOCATED PA
mnt-by: inter-cloud-mnt
created: 2018-07-23T09:31:45Z
last-modified: 2020-03-10T21:27:32Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Trojan.Injector
Status:
Malicious
First seen:
2020-06-03 18:35:37 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
26 of 48 (54.17%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
NanoCore
Malware Config
C2 Extraction:
u852117.nvpn.so:5638
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.

c56c170d61aa058ac859dc70baa9e060

NanoCore

Executable exe a11f91144b05d42c78e1fb174430043f91ef1274fcd518bfcde14edbaae018dc

(this sample)

  
Dropped by
MD5 c56c170d61aa058ac859dc70baa9e060
  
Delivery method
Distributed via e-mail attachment

Comments