MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec37bc08604e4d2b0e5f7f38efa6af4916527ff34ba36cdc42ad3fbeb22b9191. 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: 5

Intelligence 5 IOCs YARA 5 File information Comments

SHA256 hash:	ec37bc08604e4d2b0e5f7f38efa6af4916527ff34ba36cdc42ad3fbeb22b9191
SHA3-384 hash:	c4da8bf75eb7d8aa0367e19cc4a15c9909fa9a40e4c44ac18cc2accc4516a6b1a679630d5fe43e715de4bbb78abb1a1e
SHA1 hash:	44f7c4e2ccbdad8a4ce3ca237c5d08f2a64b8985
MD5 hash:	b275ebffba3f38385f406932a0d73929
humanhash:	coffee-river-mockingbird-winter
File name:	PO.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	563'712 bytes
First seen:	2020-06-03 07:49:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:LjtOAgWVWR10QrMyYkTBwUGBnNlG7XsYEq55GAMHO9JkpsIf9Q++m/7eEN95H8X6:LF5VWRMyjoNl0i
Threatray	1'126 similar samples on MalwareBazaar
TLSH	34C47B9C762072EFC85BD472DEA82C68EA5034BB931F4603942315ADDE4C89BCF655F2
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

From: Orascom-Trading Company <updates@orascom-trading.com>
Subject: Purchase Order *EID:OFF-20060114239236381* NIV/S/PO/20/0036-1 - Dated : 01/06/2020
Attachment: PO.iso (contains "PO.exe")

NanoCore RAT C2:
megida123.ddns.net:9900 (91.193.75.15)

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

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Genkryptik

Status:

Malicious

First seen:

2020-06-01 17:09:46 UTC

AV detection:

18 of 31 (58.06%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5q33ycdajzgswds7p44o7jvpjelfe77tjorwzxccvu735mrlsgiq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

77bb6489c1fd6c87f2ba80955211d0eef9be425d4e6076bd7280c6f87f9f3300

NanoCore

7a970d2c945adc2f8c3bbd2f57eb1d21abe8916a4f631cfed312b73847832f2b

NanoCore

7edb0b86650ff76c5b00c25c9f642bc4e163a946fe34efab15c0ea3cfee10c60

NanoCore

892703589bb24fa5224a33805e33d6fe8691705cc353d6b8a8730cbd39ba6348

NanoCore

b269ac01ba383c1e9a7311cdb2af843167b3a5652d8b0791f7d61ce636a439c3

NanoCore

be1a45ae85bb530727a5e96d3dc19eeb0542991ddb5a747b93665b4599c70ea0

NanoCore

d28c4fc79cac0d44f25cd239bf3efbcb8185b25850ba4aafecfdd988af23bbc0

NanoCore

e8454346c57024c395766f6c82771a58c6f03cbaa15871646cc197aae5b73461

NanoCore

f0bdd59b67a442209f68d9adf125fbadd7e99324ca917822d5f5f29e976b5b26

NanoCore

+ 1'116 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore evasion keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201109-2a5ecj7lqx/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

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:

megida123.ddns.net:9900

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/