MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03afb1b7954f0e777e41101fec1cdab213cb8ce1e836556acb72c9ab73cd3b66. 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 7 File information Comments

SHA256 hash: 03afb1b7954f0e777e41101fec1cdab213cb8ce1e836556acb72c9ab73cd3b66
SHA3-384 hash: b440c8945614e64dfa61157ce042d9831a23dc60c0d64f1a60e2b8657ab80acdaa0d4aa694e16e51afd324fb11c799de
SHA1 hash: 5a6bb8a3e215f30f5f22bec2ef21e8debc349321
MD5 hash: 8cfd1c61d2c27fa2351843a6d2cb8f13
humanhash: arkansas-oscar-glucose-east
File name:03afb1b7954f0e777e41101fec1cdab213cb8ce1e836556acb72c9ab73cd3b66
Download: download sample
Signature NanoCore
File size:1'124'112 bytes
First seen:2020-11-09 21:58:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:zBA4QaJ1jWsN+ikq6Eagj+3AuymHanc5vuZoX2lPA5D:yaJ1zTt+3AnYanc5vmo2uD
Threatray 1'241 similar samples on MalwareBazaar
TLSH A635BE0273E2D032FFABA2739B69F641967878290173852F13981DB9BD701B2177D663
Reporter seifreed
Tags:NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Contains functionality to inject code into remote processes
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Babar
Status:
Malicious
First seen:
2020-11-09 22:38:27 UTC
AV detection:
35 of 48 (72.92%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
NanoCore
Malware Config
C2 Extraction:
windowslivesoffice.ddns.net:20377
127.0.0.1:20377
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
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.

  
Delivery method
Other

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