MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3459d3a07659440f0e31b4b59a53a6ed78914d64a467cab3dcd05de1555c1488. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 3459d3a07659440f0e31b4b59a53a6ed78914d64a467cab3dcd05de1555c1488
SHA3-384 hash: af85ec4ca2768a29bf68cbc7ecdf04179a528e98d17a5c0884a20da7d1c23561ff6e9314ca83057ba9a833ec9a6e65cf
SHA1 hash: 7a68c8bc77410af675cbe3529df8d27c4da5bda1
MD5 hash: 93a661f911630ce9b4436a86fdd40b91
humanhash: lion-romeo-lion-charlie
File name:Ordine R20 T4077 TBA 2020, pdf.exe
Download: download sample
Signature NanoCore
File size:1'033'216 bytes
First seen:2020-10-27 10:24:34 UTC
Last seen:2020-10-27 12:15:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Z7e4JGy9+d6vSSul4Rv4d0FADnHGW+BLV9YC5yAYCCqKj9CX0:Z7e4My9+d6vSSHvyZb6BJeCbCqc+0
Threatray 1'682 similar samples on MalwareBazaar
TLSH C825085279819950F1693237C27AC61847F4AF1066A2D337ECFF32AB1E37B2A78049D5
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: mail.nipponcarsrl.com.ar
Sending IP: 200.114.86.103
From: Aurora Rossi <info@filtertechnics.it>
Subject: Ordine R20-T4077 /TBA-2020
Attachment: Ordine R20 T4077 TBA 2020, pdf.xz (contains "Ordine R20 T4077 TBA 2020, pdf.exe")

NanoCore RAT C2:
graceland777.ddns.net:7771 (185.140.53.129)

Pointing to nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-BE
country: BE
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-10-02T20:59:33Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 305766 Sample: Ordine R20 T4077 TBA 2020, ... Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 36 graceland777.ddns.net 2->36 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->46 48 11 other signatures 2->48 8 Ordine R20 T4077 TBA 2020, pdf.exe 7 2->8         started        12 dhcpmon.exe 5 2->12         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\cdNKeLIAcbnc.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\Local\...\tmp1798.tmp, XML 8->30 dropped 50 Injects a PE file into a foreign processes 8->50 14 Ordine R20 T4077 TBA 2020, pdf.exe 1 11 8->14         started        18 schtasks.exe 1 8->18         started        20 schtasks.exe 1 12->20         started        22 dhcpmon.exe 2 12->22         started        signatures6 process7 dnsIp8 38 graceland777.ddns.net 185.140.53.129, 49726, 49729, 49730 DAVID_CRAIGGG Sweden 14->38 40 192.168.2.1 unknown unknown 14->40 32 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->32 dropped 34 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 14->34 dropped 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        file9 process10
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-10-27 06:10:45 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
persistence evasion trojan keylogger stealer spyware family:nanocore
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
NanoCore
Malware Config
C2 Extraction:
graceland777.ddns.net:7771
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 3459d3a07659440f0e31b4b59a53a6ed78914d64a467cab3dcd05de1555c1488

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments