MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 24683ff5c436b2b56e96268ba4c591e8f80e9995623a0a1f6e6c7adf5bd2a62c. 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: | 24683ff5c436b2b56e96268ba4c591e8f80e9995623a0a1f6e6c7adf5bd2a62c |
|---|---|
| SHA3-384 hash: | 405c57c578bd4f31ada6d2046d62509b3aaa401a9615ea3216e6813ccad9f022a29928436fb7d58f71e7a82107074420 |
| SHA1 hash: | 6d8b825f34d652827f330eca2bb72aeaf7dd3450 |
| MD5 hash: | 8544731b2bf7d315e8de7c7cad70d47b |
| humanhash: | kitten-fourteen-quiet-one |
| File name: | 8544731b2bf7d315e8de7c7cad70d47b.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 835'072 bytes |
| First seen: | 2020-08-04 06:19:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:KLVzoB+umbWASikD5B496e9p54WHoNaRn8:KLVMUXSikDNeaWINaRn8 |
| Threatray | 1'181 similar samples on MalwareBazaar |
| TLSH | D9057CAD761172EFC86BD472DEA81C64EA5074BB830F4213A02715ADDA4D987CF249F3 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
PE file contains section with special chars
PE file has nameless sections
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.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-30 01:34:00 UTC
AV detection:
32 of 48 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'171 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
:8769
46.183.222.16:8769
46.183.222.16:8769
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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.
Web download
Delivery method
Distributed via web download
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