MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 20e490afba639ea251a2f095a8b9b85e1b9922ff6d8b6f47ceb567ba62521a28. 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: | 20e490afba639ea251a2f095a8b9b85e1b9922ff6d8b6f47ceb567ba62521a28 |
|---|---|
| SHA3-384 hash: | 4c322306429ec7c1206d55485db9a7be6a04491286ff556ad4dd1d7c9e76bdd1ee409b929d396733c6bc6330a4f0a65b |
| SHA1 hash: | 25ea63e67b842641e57bc5b405ea51ec9c6beb5b |
| MD5 hash: | a74ece32bc1b6db38a2d379c7fc78d2c |
| humanhash: | california-idaho-monkey-one |
| File name: | a74ece32bc1b6db38a2d379c7fc78d2c.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'865'728 bytes |
| First seen: | 2021-04-09 08:05:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'653 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 49152:9Ni8vaKvPuXtaD5LNaw/RRMbBRtlxaJvxdrLBF+F36q:Bzv4w/RRMbBRZaJvz3XO35 |
| Threatray | 1'731 similar samples on MalwareBazaar |
| TLSH | 2B8517547300D493E47A10B1CD9067F321F9EC76D685ED2B39853FC6B8BAACA4767882 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 79.134.225.30:1144 | https://threatfox.abuse.ch/ioc/7287/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a74ece32bc1b6db38a2d379c7fc78d2c.exe
Verdict:
Malicious activity
Analysis date:
2021-04-09 08:07:37 UTC
Tags:
trojan nanocore rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-04-09 08:06:10 UTC
AV detection:
8 of 48 (16.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'721 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
79.134.225.30:1144
nassiru1155.ddns.net:1144
nassiru1155.ddns.net:1144
Unpacked files
SH256 hash:
c5519ef771321d62260735c62622297b284e823d97b29eed0dae704d89bb4c5f
MD5 hash:
0158502a4a1ee47ae2abfe604f2fd748
SHA1 hash:
3dec24548c89d943f3fe9a4dd0b8663cbdcf6e0d
SH256 hash:
20e490afba639ea251a2f095a8b9b85e1b9922ff6d8b6f47ceb567ba62521a28
MD5 hash:
a74ece32bc1b6db38a2d379c7fc78d2c
SHA1 hash:
25ea63e67b842641e57bc5b405ea51ec9c6beb5b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
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 |
|---|---|
| Author: | jeFF0Falltrades |
| 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.
Web download
Delivery method
Distributed via web download
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