MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6343bc22fcb1a909e908ca7c0fa90d34e09f669dbd72a69e75ff8af7a9d217eb. 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: 6343bc22fcb1a909e908ca7c0fa90d34e09f669dbd72a69e75ff8af7a9d217eb
SHA3-384 hash: 79960a6e265954a2cd1509f83d7f2dcbda16010492474855473a10168949dce0561efcfb697a1ff859dd57a659767098
SHA1 hash: 86f00a66314b03734bd741d51b78670c756eb794
MD5 hash: 32e1d4c85781d7fbe62d8f93aa5bf792
humanhash: georgia-six-kitten-kentucky
File name:RFQ.exe
Download: download sample
Signature NanoCore
File size:762'368 bytes
First seen:2020-07-09 07:09:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:cYsXsKgOEacTaulCSRO6w+cFhvodPZ2gkR8uNUfIoD7VMg:cYsXf+LTESRY+cFNGZ2HKfwoDGg
Threatray 1'684 similar samples on MalwareBazaar
TLSH 14F4E074B2A08D15DA2E4F7A887200004F76F9B7693AF39FBDC4319D5AAB7C90512B17
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT SCB


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: ns.nsclover.com
Sending IP: 222.231.28.35
From: Standard Chartered Bank <us@nsclover.com>
Reply-To: sjrkintluea@gmail.com
Subject: RFQ_Project (REFU, GmbH).
Attachment: RFQ..7z (contains "RFQ.exe")

NanoCore RAT C2:
185.165.153.26:1985

Hosted on 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 :
111
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun with Startup directory
Unauthorized injection to a system process
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-09 01:24:40 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run entry to start application
NanoCore
Malware Config
C2 Extraction:
185.165.153.26:1985
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 6343bc22fcb1a909e908ca7c0fa90d34e09f669dbd72a69e75ff8af7a9d217eb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments