MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76cfdf1a5f269081f46e8ad8105fff6b1197df828ccebeebfdf00e8d23cf6c67. 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:	76cfdf1a5f269081f46e8ad8105fff6b1197df828ccebeebfdf00e8d23cf6c67
SHA3-384 hash:	cd9dd2f930febc44318a8da69775be258f4a9f0d92b069e22f563e89e954ca74f99488bf9cb3c36210fbd80c3fdcc270
SHA1 hash:	216f1d98ce138f9889ea9611efbb8cd3404e18b5
MD5 hash:	62b6b115b5a1779899eb2eda76f847f5
humanhash:	berlin-beer-social-jersey
File name:	RE AHF PO 00035440PDF.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	407'552 bytes
First seen:	2020-05-22 07:21:51 UTC
Last seen:	2020-05-22 08:02:50 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	6144:R7L0emUPhLT/VUlbU1mrxzSrQEr8IpMltCJ3rT0IwWGPhwWX7:NBmUJHtUi1MxzMQApMXCJ3rIvXb
Threatray	1'150 similar samples on MalwareBazaar
TLSH	4D84BE973594CA5DCE2D16FB5296408023F96CBFD944F74C1FCA32D31AE27A24822B5B
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: mail3.leifhiet.com
Sending IP: 62.173.148.41
From: Nikii Johnson <nikii@ahfvalves.com>
Subject: RE: AHF PO 00035440
Attachment: RE AHF PO 00035440PDF.zip (contains "RE AHF PO 00035440PDF.exe")

NanoCore RAT C2:
sack517.ddns.net:5656 (91.193.75.7)
sack517.duckdns.org:5656 (91.193.75.7)

Pointing to nVpn:

% Information related to '91.193.75.0 - 91.193.75.255'

% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@kgb-vpn.org'

inetnum: 91.193.75.0 - 91.193.75.255
netname: NON-LOGGING-VPN-SERVICE
descr: Please note that we don't store any user data.
descr: Our main effort is not to make money, but to preserve values like the
descr: freedom of expression, the freedom of press, the right to data protection
descr: and informational self-determination.
descr: We ask all employees of Spamhaus and all self-proclaimed deputy sheriffs
descr: to stop your attacks against us.
country: EU
admin-c: KA7109-RIPE
tech-c: KA7109-RIPE
org: ORG-KHd1-RIPE
status: ASSIGNED PI
mnt-by: RIPE-NCC-END-MNT
mnt-by: KGB-MNT
mnt-routes: KGB-MNT
sponsoring-org: ORG-MW1-RIPE
created: 2012-06-04T11:05:55Z
last-modified: 2019-12-05T05:39:00Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.Siggen9.48419.25536.28666.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-05-22 01:07:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 31 (83.87%)

Threat level:

2/5

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

2c47fd67c3768c03972a8883c7313a4c06445b0c1b92c286abc611820fa33580

NanoCore

2e64d3413977341f15b821a6df86b64af192abbdb06499599f92be8e925082bd

NanoCore

36a03b97c28620a2da908370d7505c714e9863bf3c328152e1a4a69fc40a54e4

NanoCore

44ba37fc9028cfa910e1ab8b805fa455ba0ba2d6020c6da3971ed61a490513d3

NanoCore

4a14a153592225bd7b28fdb7dfdcb7dfe59e293ddee5e400187dd930d4b6557a

NanoCore

672e3f987619a0968785b91fc3e8a824be6f331e9a49859519de5c143d354700

NanoCore

7b2d50195664f5969a5226885de2718004eabd1d852a4629387960d0c3379464

NanoCore

9a322022e5b43444c1c3a04a1dc2032a87dab0ae9deafaa2e6b688812a40f67e

NanoCore

ac53b5d4b8c6078c51fab767ceb317bef2040df1e02165d86254e5e614f67d46

NanoCore

+ 1'140 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore evasion keylogger spyware stealer trojan

Link:

https://tria.ge/reports/201109-ln4pxj39ns/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Maps connected drives based on registry

Checks BIOS information in registry

Looks for VMWare Tools registry key

Looks for VirtualBox Guest Additions in registry

NanoCore

Malware Config

C2 Extraction:

sack517.ddns.net:5656
sack517.duckdns.org:5656

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/