MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf0ad956a210613614b06919c4663576b23ed1c415ddd5051ff858c84a1554e4. 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: 4


Intelligence 4 IOCs YARA 5 File information Comments

SHA256 hash: bf0ad956a210613614b06919c4663576b23ed1c415ddd5051ff858c84a1554e4
SHA3-384 hash: 67ad89bafecda08889cc004255a304ee95e5e7daed6681382303394fa8705cb9369ec9e04f9e51dbbbe4e5ee9297ee03
SHA1 hash: 5f9170601fad6ff3454f098fdd16222d36796981
MD5 hash: 077d9c1b49762fd62b8fccf6e5c76b01
humanhash: three-double-maine-neptune
File name:READSUN OPTICAL LTD ORDER_xls.exe
Download: download sample
Signature NanoCore
File size:477'184 bytes
First seen:2020-05-01 12:27:04 UTC
Last seen:2020-05-01 13:50:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:GjgTOOGIqcfWhkG5hEVf84feX3arxhJ6CbXJmzNY1srTedtt0TjwTTAfWLx/Zf5t:0cup5GCnarxhAiXMhotCuZbdn
Threatray 1'153 similar samples on MalwareBazaar
TLSH F2A4BFD60699667BEBEE0679D0A92DC0C3F5A557E2C3FB7D89A040B80CD3B41DC12267
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: ap.apistarly.live
Sending IP: 77.242.152.35
From: WENZHOU READSUN OPTICAL CO.,LTD <sales3@raedsunoptical.com>
Subject: WENZHOU READSUN OPTICAL CO.,LTD ORDER "溫州瑞森光學有限公司訂購"
Attachment: READSUN OPTICAL LTD ORDER_xls.gz (contains "READSUN OPTICAL LTD ORDER_xls.exe")

NanoCore RAT C2:
194.5.98.8:4573

Hosted on nvpn:

% Information related to '194.5.98.0 - 194.5.98.255'

% Abuse contact for '194.5.98.0 - 194.5.98.255' is 'abuse@inter-cloud.tech'

inetnum: 194.5.98.0 - 194.5.98.255
netname: Privacy_Online
descr: Longyearbyen, Svalbard und Jan Mayen
country: SJ
admin-c: RA9926-RIPE
tech-c: RA9926-RIPE
org: ORG-NFAS6-RIPE
status: ASSIGNED PA
mnt-by: inter-cloud-mnt
created: 2019-04-26T16:42:54Z
last-modified: 2020-03-13T23:11:55Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-05-01 14:14:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
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 bf0ad956a210613614b06919c4663576b23ed1c415ddd5051ff858c84a1554e4

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments