MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2c01956cb3c943f326be2faf3d36c147918724d1813e0fea8ab4df3ef79cb714. 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: | 2c01956cb3c943f326be2faf3d36c147918724d1813e0fea8ab4df3ef79cb714 |
|---|---|
| SHA3-384 hash: | e69fa1ee6d7dad508b98fde13defbf356fc8ee8a89d4d5f7c32976569de64f4c95573bce1588c27f0ca992d524c4893f |
| SHA1 hash: | 30926379e6a0096325ba3800730bec73eb1943ca |
| MD5 hash: | b9b6999a2076ed9746a2b0169327be6c |
| humanhash: | california-muppet-river-blossom |
| File name: | SpecPDF.vbs |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 499'100 bytes |
| First seen: | 2021-04-22 06:20:48 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 12288:epwkVfVJsJTtAm+7Jx1zCBExiBsrvJfw2+oDhX+K2s/pFf:0wkVfgoB8srvJ0oZdnJ |
| Threatray | 1'799 similar samples on MalwareBazaar |
| TLSH | FCB4CF336226FCC91B7F2D80B60829520C68789BA366516CFEC60DED69F6644DF5C4F8 |
| Reporter |  abuse_ch |
| Tags: | NanoCore RAT vbs |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 179.43.166.32:11940 | https://threatfox.abuse.ch/ioc/9452/ |
| 179.43.166.32:10090 | https://threatfox.abuse.ch/ioc/9453/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a custom TCP request
Launching a service
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Deleting a recently created file
Creating a file
Sending a UDP request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Creating a file in the %AppData% directory
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Result
Threat name:
Nanocore AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Potential malicious VBS script found (has network functionality)
Sigma detected: NanoCore
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
VBScript performs obfuscated calls to suspicious functions
Yara detected AsyncRAT
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Script-WScript.Trojan.Heuristic
Status:
Malicious
First seen:
2021-04-22 17:35:17 UTC
AV detection:
11 of 47 (23.40%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
asyncrat
Similar samples:
+ 1'789 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:asyncrat family:nanocore evasion keylogger rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Kills process with taskkill
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks whether UAC is enabled
Executes dropped EXE
Async RAT payload
AsyncRat
Contains code to disable Windows Defender
NanoCore
Malware Config
C2 Extraction:
:
sys2021.linkpc.net:11940
191.96.25.26:11940
sys2021.linkpc.net:11940
191.96.25.26:11940
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.