MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34a3ed451a024500c8d0002f55a7884bb22571baf0c71dbd412fed588d814034. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 34a3ed451a024500c8d0002f55a7884bb22571baf0c71dbd412fed588d814034
SHA3-384 hash: e028c32ab532053422659419f86570e6843db251319f8966d49dbd6d76e7e2c9a0f46ab66969d7523b68805a930d4b0a
SHA1 hash: 69c6f08bfeb24b7510dc1c53a41630bece54aeaa
MD5 hash: 4faf65f3281448a0fe3d626ba2e4de23
humanhash: illinois-apart-snake-oklahoma
File name:New Order SalesZone 64484, pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:665'600 bytes
First seen:2020-05-01 14:31:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:GTYlFYJUw/CWQqbPlnOajsw/GnNYXkygfywJPeg1SnSAggIXq:/FYH/CWXb1xltXkdfJPxK
Threatray 1'144 similar samples on MalwareBazaar
TLSH D5E4D12631C9A61FE7EE0678C8602180C3B5AD1A6782F78D95907DBF3CF6746DC42197
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: sgw.vservers.es
Sending IP: 149.62.173.222
From: Salezone.lv <info@salezone.lv>
Subject: Purchase Order Confirmation for 64484
Attachment: New Order SalesZone 64484, pdf.iso (contains "New Order SalesZone 64484, pdf.exe")

NanoCore RAT C2:
strivemaxlogs.ddns.net:777 (185.244.30.9)

Poining to nvpn:

% Information related to '185.244.30.0 - 185.244.30.255'

% Abuse contact for '185.244.30.0 - 185.244.30.255' is 'abuse@FOS-VPN.org'

inetnum: 185.244.30.0 - 185.244.30.255
netname: Freedom_Of_Speech_Foundation_Hungary
remarks: Budapest, Hungary
country: HU
org: ORG-FOSF3-RIPE
admin-c: FOSF1-RIPE
tech-c: FOSF1-RIPE
status: ASSIGNED PA
mnt-by: FOS-VPN-MNT
created: 2019-10-29T14:10:27Z
last-modified: 2020-04-06T19:58:39Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Nymeria-6936471-0
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-01 14:35:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gsr62ri2ajcqbsgqaaxvlj4ijozck4n26ddr3pkbf7wvrdmbia2a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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+ 1'134 additional samples on MalwareBazaar
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
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
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
Create hunting rule
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

iso 78e4d1217c11cbcab5efeed87eb3baa8d8f917fbda056c184137a2efe84ac028

NanoCore

Executable exe 34a3ed451a024500c8d0002f55a7884bb22571baf0c71dbd412fed588d814034

(this sample)

  
Dropped by
MD5 712a11aa44203397c3b5fe9c9259bac8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 78e4d1217c11cbcab5efeed87eb3baa8d8f917fbda056c184137a2efe84ac028

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

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