MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81630e871a0be893df07958d294ceda64577f410d372e56040a507ed089cc79a. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81630e871a0be893df07958d294ceda64577f410d372e56040a507ed089cc79a
SHA3-384 hash: 50ed183c021e300629763477da53ba564860cc3ca7068bc6b4a2c6b7fdfa0b9dec8bc480a5a90e1b58dc07a258877d77
SHA1 hash: bf73f49de71698a9075c1a6f682de85509bdf343
MD5 hash: df67239374a217a24c16b9f4cdda16ae
humanhash: alabama-video-west-single
File name:TBA.arj
Download: download sample
Signature NanoCore
Create hunting rule
File size:341'899 bytes
First seen:2020-07-21 06:33:29 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:spN2JWsfRd7XnPYv/LKWtH7kMvW2fYYNLtVwHxSothnDtItOfDEd:UN24KRd7XPmhtY2W2fxNRqxSothDtItd
TLSH 557423E8C0D9D6025C6A4AC2708E5E7937DB61C8D66DDBDFA9674C27F3438AB800742D
Reporter abuse_ch
Tags:arj NanoCore nVpn RAT THA


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: server.fco.pt
Sending IP: 151.236.39.153
From: TBA <infos@thailandbuyingagency.com>
Subject: ระบุรายการราคา สำหรับ TBA (thailandbuyingagency.com)
Attachment: TBA.arj (contains "TBA.exe")

NanoCore RAT C2:
isiefi.ddns.net:9909 (185.140.53.13)

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-NL4
country: EU
descr: Zaventem, Belgium
descr: Amsterdam, Netherlands
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: 2020-07-16T21:16:41Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81630e871a0be893df07958d294ceda64577f410d372e56040a507ed089cc79a/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 06:35:05 UTC
AV detection:
5 of 48 (10.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qfrq5by2bpujhxyhswgssthnuzcxp5aq2nzokycauud62ce4y6na._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/81630e871a0be893df07958d294ceda64577f410d372e56040a507ed089cc79a

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

NanoCore

zip 81630e871a0be893df07958d294ceda64577f410d372e56040a507ed089cc79a

(this sample)

NanoCore

Executable exe b3fd83d19a65a806d17f9c5245b94d7499e711f56814a2d1fe4ae62474315781

  
Dropping
MD5 a8cd86a7698875d1eba6a5b03d24e61b
  
Dropping
NanoCore
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 b3fd83d19a65a806d17f9c5245b94d7499e711f56814a2d1fe4ae62474315781

Comments