MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e3cfd3d090923b878c13c989b6b7c65e8ee788b70dcce22db4f6798754082eef. 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: 9
| SHA256 hash: | e3cfd3d090923b878c13c989b6b7c65e8ee788b70dcce22db4f6798754082eef |
|---|---|
| SHA3-384 hash: | 63963ff3a265e8e84dd6d3efab44ca71f505670977f5eea7c053b9eeebeb5e3d242841934f98884baa6e1eba8a749233 |
| SHA1 hash: | 72b072267288f131e0c54128ee88e2d2a8d6e064 |
| MD5 hash: | bb2fd8efc3e3e7912c54ed4e6d3cc980 |
| humanhash: | monkey-fish-hamper-carolina |
| File name: | Proof of payment.pdf.scr |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 950'784 bytes |
| First seen: | 2020-07-17 17:23:04 UTC |
| Last seen: | 2020-07-17 18:10:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:VTrMnqjzGYIdjMxMSo15GXacXYp3uyAjrMnnmS2k4zUTn2915LWaPpa4DYRHoRU3:ZrvxguwcLjrks5yaBtDYFoI |
| Threatray | 1'087 similar samples on MalwareBazaar |
| TLSH | C3154AF7A71891CEC45FCEBCC4924B300997ED85E0FA920B12577C393A36791D88696B |
| Reporter |  abuse_ch |
| Tags: | NanoCore nVpn RAT scr |
abuse_ch
Malspam distributing NanoCore:HELO: slot0.ndmpef.ga
Sending IP: 192.236.155.164
From: Paymentsemail@fnb.co.za<Paymentsemail@fnb.co.za>
Reply-To: <noreply@fnb.co.za>
Subject: Payment Notification
Attachment: Proof of payment.pdf.001 (contains "Proof of payment.pdf.scr")
NanoCore RAT C2:
harolds.ooguy.com:6051 (79.134.225.88)
Pointing to nVpn:
% Information related to '79.134.225.0 - 79.134.225.127'
% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'
inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
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.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Connection attempt to an infection source
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-17 17:25:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'077 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
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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