MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbaa36e6dfc82d307e840bb2ed3e1322fb07b5086530abee2ae29fa99a355b26. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: cbaa36e6dfc82d307e840bb2ed3e1322fb07b5086530abee2ae29fa99a355b26
SHA3-384 hash: e235a8601d3427593457ae2a58d462a45c2a2ed223f3cc7185a239962aed6d270f59eae4f0812024983236086a463d53
SHA1 hash: cc6dfc73f48357a5c0f6e0a2ed50c0efac436be1
MD5 hash: c6eadbeef2558b9cc3620bedd9a44c26
humanhash: robin-october-fruit-connecticut
File name:SecuriteInfo.com.Trojan.Nanocore.23.19592.12914
Download: download sample
Signature NanoCore
File size:258'560 bytes
First seen:2020-08-01 19:29:49 UTC
Last seen:2020-08-02 07:33:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:o12Ggte+fV9La/LlQCE3wh2mRO1jwCc91TcLpnI:UgbV9u/JUO2mAqCc91TInI
Threatray 1'151 similar samples on MalwareBazaar
TLSH 3C44CF9C725476DFC82BC876CEA82C64EA6078B7570BC253A46316AD990C9DBCF051F3
Reporter SecuriteInfoCom
Tags:NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 UDP request
DNS request
Connection attempt
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
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2018-05-30 15:54:06 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
crc2k18.mooo.com:9004
tuttotone.mooo.com:9004
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
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

NanoCore

Executable exe cbaa36e6dfc82d307e840bb2ed3e1322fb07b5086530abee2ae29fa99a355b26

(this sample)

  
Delivery method
Distributed via web download

Comments