MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6dae5ff37232524f545d43bc3de780c98b0ad6ccdc2058b5e7b35c046a1bd8a. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6dae5ff37232524f545d43bc3de780c98b0ad6ccdc2058b5e7b35c046a1bd8a
SHA3-384 hash: b88bd6ef9c0e64f38ae791958f6dafd3586dbc3451c7cea0b989c7df4c00c44d6249f4402c6a4c08bfaa39678641801a
SHA1 hash: 7ddb13c08af4637e3da1a94b3e13da1c8df17cf9
MD5 hash: d96ab6e363ceed639e3093052e0a14f4
humanhash: cat-early-item-ack
File name:SOA_2910202.JPG.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'965'056 bytes
First seen:2020-10-30 13:14:38 UTC
Last seen:2020-10-30 13:26:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 49152:KXAdZt5vwHEYShpWuMHQOuHBHlYZrLS+1KosmEH2:KXALtheErhpWLzuhHld0sXH
TLSH 2995E0F853929657D92F123F952B3C10D353AB65C9FA864A43DCB0390BBF3095A90B4B
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/81228/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.14064.22265.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/516971
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6dae5ff37232524f545d43bc3de780c98b0ad6ccdc2058b5e7b35c046a1bd8a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-30 07:19:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=63nol7zxemssj5kf2q54hxtybsmlbllmzxbalc26pm24arvbxwfa._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201030-qawmy8syf2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.140.53.187:4284
127.0.0.1:4284
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
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
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/81228/

Comments