MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6aa61499adefcd76ad8823093774389edc9064f2da07d150f4defb14eea45c50. 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: 13
| SHA256 hash: | 6aa61499adefcd76ad8823093774389edc9064f2da07d150f4defb14eea45c50 |
|---|---|
| SHA3-384 hash: | b0086448d662acb21d79fe786deb9ec15c120df873741c39a1abe4e4fac048ffe6a2fc0c7b354aaa28effa810b2ee224 |
| SHA1 hash: | 800eaa56df7191efc4d12e6162fd170a217b919d |
| MD5 hash: | d65086abfcdcfdc72716384337768c2e |
| humanhash: | red-vegan-massachusetts-march |
| File name: | d65086abfcdcfdc72716384337768c2e.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 430'080 bytes |
| First seen: | 2021-03-03 18:37:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:ILV6Bta6dtJmakIM57eqvuEztf0V+/SZGKg3KfoJJ1EzAP+Qha0X6Vx3H+O:ILV6BtpmkKuEzOUB7Ud0XuX+O |
| Threatray | 1'613 similar samples on MalwareBazaar |
| TLSH | ED94012A77AD463EE29E8AB964111643877CC2E7A8C3F3DA08D455F79B273E046071D3 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d65086abfcdcfdc72716384337768c2e.exe
Verdict:
Malicious activity
Analysis date:
2021-03-03 18:57:51 UTC
Tags:
rat nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Sending a UDP request
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Result
Verdict:
MALICIOUS
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Uses dynamic DNS services
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2021-03-03 18:38:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
47 of 48 (97.92%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'603 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
194.5.98.250:1144
fire4fire123.ddns.net:1144
fire4fire123.ddns.net:1144
Unpacked files
SH256 hash:
6aa61499adefcd76ad8823093774389edc9064f2da07d150f4defb14eea45c50
MD5 hash:
d65086abfcdcfdc72716384337768c2e
SHA1 hash:
800eaa56df7191efc4d12e6162fd170a217b919d
Detections:
win_nanocore_w0
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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