MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af7f7be5f98ff1a7a274a5984abf806f2a8b6fd648f9d16501a0e5932e2b1480. 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: af7f7be5f98ff1a7a274a5984abf806f2a8b6fd648f9d16501a0e5932e2b1480
SHA3-384 hash: c792046d985c3b4c84297aaad97e92d5d2e28abee57b003764fec335c96bbbfe7b68c124cb584c9483d06927713f7f59
SHA1 hash: ef5342dea13e4a6579adbf9b736d494a220df609
MD5 hash: 74f41eb28e54778839de2faa0252ac1e
humanhash: jupiter-washington-butter-fish
File name:Company_profile.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:616'448 bytes
First seen:2020-04-30 10:49:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:GnAAHv7Tab/sP56gDevMKqNe3g2OucsQlgtWWgExMs40/GAKu1WZcqede5Kf:GXAsPWv7hw+sCv
Threatray 1'086 similar samples on MalwareBazaar
TLSH 2DD46C5C369070DFD527DA72DEA52C64EA21B877A30FC207A053229D8E6DA97DF101F2
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: cpsupport@cyber.net.pk
Subject: Invitation To Bid (RFQ) For The Referenced Supply of your product
Attachment: order_details.img (contains "Company_profile.exe")

NanoCore RAT C2:
kmt-2.duckdns.org:6060 (185.165.153.222)

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@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 :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.43471.25253.22197.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-04-30 11:23:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v57xxzpzr7y2pituuwmevp4an4viw36wjd45czibudszglrlcsaa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'076 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

img b570184f4002303531755b58d3ad43281a84cedf643eb32b0f04bc9bdf4cf87d

NanoCore

Executable exe af7f7be5f98ff1a7a274a5984abf806f2a8b6fd648f9d16501a0e5932e2b1480

(this sample)

  
Dropped by
MD5 4048bb45428a35d68c942013367dfa42
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b570184f4002303531755b58d3ad43281a84cedf643eb32b0f04bc9bdf4cf87d

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