MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8dbe674fabd57154010f3bf9d145109c4572f013f07f5be9afeb011b3e583c4. 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: 8
| SHA256 hash: | b8dbe674fabd57154010f3bf9d145109c4572f013f07f5be9afeb011b3e583c4 |
|---|---|
| SHA3-384 hash: | 0b3da59732ca1a37d4a5cd56d437909059155e04df4a2b42ee780125c3509c291aa38d3b7cfeebf53c4da9de3b187355 |
| SHA1 hash: | ab6dd345870cd38d154623237fd37de12af043f2 |
| MD5 hash: | 245da3ce48576597ad79fb20fc5ac5ae |
| humanhash: | white-sodium-solar-steak |
| File name: | 4718763_Invoice_Confirmation.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 404'480 bytes |
| First seen: | 2020-06-26 17:42:33 UTC |
| Last seen: | 2020-06-26 18:33:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:I6BeJmwXJezOmXBgo+mfIpbdxJF3M6kU2MrKGdy/Ou7NKgN22wOAAAAAAARtvNEN:BGm1ioFwpbvJhMglOauf9 |
| Threatray | 1'310 similar samples on MalwareBazaar |
| TLSH | 0D84AD512E8FC221C6EE5E7BF0B261F54226DD07DC82D35B0A65FEA736B238256C105E |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: filter1.craftech.com
Sending IP: 207.8.183.102
From: Paul Roberto <christopherholmes@bell.net>
Subject: Payment Confirmation.
Attachment: 4718763_Invoice_Confirmation.iso (contains "4718763_Invoice_Confirmation.exe")
NanoCore RAT C2:
netwomo.duckdns.org:7654 (185.165.153.45)
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 :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Agenttesla
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Sending a TCP request to an infection source
Connection attempt to an infection source
Enabling autorun with Startup directory
Unauthorized injection to a system process
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-06-26 17:44:06 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'300 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Drops startup file
NanoCore
Malware Config
C2 Extraction:
netwomo.duckdns.org:7654
91.193.75.135:7654
91.193.75.135:7654
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 |
|---|---|
| Author: | abuse.ch |
| Rule name: | Nanocore |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Nanocore in memory |
| Reference: | internal research |
| Rule name: | Nanocore_RAT_Feb18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Nanocore RAT |
| Reference: | Internal Research - T2T |
| Rule name: | Nanocore_RAT_Gen_2 |
|---|---|
| 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 |
|---|---|
| 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
Delivery method
Distributed via e-mail attachment
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