MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2cfbe852fcf4491df3b272e156dced7408bb20d274d391cef67b14eab746b70. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: d2cfbe852fcf4491df3b272e156dced7408bb20d274d391cef67b14eab746b70
SHA3-384 hash: 541dd77a3afa3e5f1d8f5e69ae1396c0ea9743a7146fc6b8062ceb814c7a3bc17337f67771e2b35c7891782491389603
SHA1 hash: ff87acfe4f81cfbb1a6de7e1dfe362458d727ef7
MD5 hash: 0ea0d89ce6070870eb4522c3f342a608
humanhash: beer-mirror-eight-princess
File name:QO10567837.exe
Download: download sample
Signature NanoCore
File size:898'048 bytes
First seen:2020-08-04 07:02:15 UTC
Last seen:2020-08-04 08:20:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 507b3b5b1f6a270893e48e06f2f1033f (5 x AgentTesla, 2 x NanoCore, 2 x MassLogger)
ssdeep 12288:7OKeqxgkm/OcuIuQBCzcQFGCiol1TkKUSR3uKIwWdFGrAAWNUflVDYqRywrGK:ZHGnOMuQqNuWxuQuI0qcwaK
Threatray 3'218 similar samples on MalwareBazaar
TLSH 74159E22B2904837C3631A789DDBAF74993BBE103924BD462BF55D4C5F3968138393A7
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: cloud.spring.net.in
Sending IP: 103.127.29.248
From: Joyce Lim <hzxn@szseva.com>
Subject: RE: ENQ REF: 40RD-1024 (URGENT)
Attachment: QO10567837.pdf.zip (contains "QO10567837.exe")

NanoCore RAT C2:
darlingtondc.hopto.org:1905 (185.165.153.17)

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@privacyfirst.sh'

inetnum: 185.165.153.0 - 185.165.153.255
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-EU2
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2020-07-28T20:37:37Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to detect sleep reduction / modifications
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Sigma detected: NanoCore
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-04 07:04:05 UTC
AV detection:
41 of 48 (85.42%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
upx evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Checks whether UAC is enabled
UPX packed file
NanoCore
Malware Config
C2 Extraction:
darlingtondc.hopto.org:1905
185.165.153.17:1905
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 d2cfbe852fcf4491df3b272e156dced7408bb20d274d391cef67b14eab746b70

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments