MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8366973011083e5a6ddd8b602c3bfb70d6334e9a28a0113215197c97774d6b0c. 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: 10
| SHA256 hash: | 8366973011083e5a6ddd8b602c3bfb70d6334e9a28a0113215197c97774d6b0c |
|---|---|
| SHA3-384 hash: | cd6e90f81575d05c6c04ca0d6bb208b0fce3e5129adedf6b359fc49bbe1e2be8fcd90c103a495335e11422101f26ca0c |
| SHA1 hash: | 8b1ca14cb5ae81d65a075355570472e0e83193f8 |
| MD5 hash: | 35d1a372c36eed4aae2c39b2e151fbc8 |
| humanhash: | enemy-sink-nevada-robert |
| File name: | YpudOVy82CJHSGP.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'040'384 bytes |
| First seen: | 2020-08-04 11:14:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:MDHUaU12TTVk0XYWg+/LLuHApUg0rrH2GBuJVJZ:GUao2TTav3+//uXrXu1Z |
| Threatray | 1'874 similar samples on MalwareBazaar |
| TLSH | 3B257CC2F140D951C95A4E36CD67DA9483337D66FF4797063088BA2B38E31D3AE266C6 |
| Reporter |  abuse_ch |
| Tags: | exe Hostwinds NanoCore RAT |
abuse_ch
Malspam distributing NanoCore:HELO: hwsrv-758891.hostwindsdns.com
Sending IP: 104.168.203.3
From: Carlos Henrique <info@loburig.com>
Subject: RE: Egea Logistics/03.08.2020
Attachment: Logistics-04-08-2020.r01 (contains "YpudOVy82CJHSGP.exe")
NanoCore RAT C2:
mn255.freeddns.org:1605 (185.19.85.150)
% Information related to '185.19.84.0 - 185.19.85.255'
% Abuse contact for '185.19.84.0 - 185.19.85.255' is 'abuse@datawire.ch'
inetnum: 185.19.84.0 - 185.19.85.255
netname: DATAWIRE-DATACENTERS
descr: CUSTOMERS ZG01
country: CH
admin-c: DA4314-RIPE
tech-c: DA4314-RIPE
status: ASSIGNED PA
mnt-by: DATAWIRE-NOC
created: 2013-09-23T14:18:55Z
last-modified: 2013-09-23T14:18:55Z
source: RIPE
role: DATAWIRE AG
address: Hinterbergstrasse 22
admin-c: SH3634-RIPE
tech-c: SH3634-RIPE
nic-hdl: DA4314-RIPE
mnt-by: DATAWIRE-NOC
created: 2012-01-03T15:42:22Z
last-modified: 2013-08-25T14:21:45Z
source: RIPE # Filtered
abuse-mailbox: abuse@datawire.ch
% Information related to '185.19.84.0/22AS48971'
route: 185.19.84.0/22
descr: DATAWIRE AG DATACENTERS
origin: AS48971
mnt-by: DATAWIRE-NOC
created: 2013-03-07T20:43:03Z
last-modified: 2013-03-07T20:43:03Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Detected Nanocore Rat
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-08-04 11:16:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
agenttesla
Similar samples:
+ 1'864 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
keylogger trojan stealer spyware family:nanocore evasion
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
mn255.freeddns.org:1605
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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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