MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21dba41b37835f29fa4166786b44915d69109229a0fd19ee46d14cb2afa7c35b. 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: 5

Intelligence 5 IOCs YARA 5 File information Comments

SHA256 hash:	21dba41b37835f29fa4166786b44915d69109229a0fd19ee46d14cb2afa7c35b
SHA3-384 hash:	fcedfb45d0a33b7b02af327e9987e826888c6060581120842eaf534ff313a3d9903ae3db520cb10595dda78ebc15c589
SHA1 hash:	080a86e8201642151461216004929d01020c0dde
MD5 hash:	6858d39209bf4ddb24cf85073b11c23e
humanhash:	may-fish-item-wolfram
File name:	K0wiZozSenqkwPc.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	374'272 bytes
First seen:	2020-05-13 04:50:21 UTC
Last seen:	2020-05-13 05:55:11 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:NCdxgbqXnw0zG7FfLxXtl7C7YmAsi9rjrsDMuyr67cfp7V3GSEWlBx:NwIawCQFl9d0jc9rjklyrgUl9Mmx
Threatray	1'256 similar samples on MalwareBazaar
TLSH	E884E0277998AE07CB5ED1FE80806A5143B2979AE1D3F3E71CD248DA12D07E24981FC7
Reporter	JoulK
Tags:	exe NanoCore

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.GenericKDZ.67102.5768.30931.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-05-12 19:04:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 31 (80.65%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ehn2igzxqnpst6sbmz4gwrerlvurberjud6rt3sg2fglfl5hynnq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

654a06ec25677a527417902e8c2bec0b87d70c8503d855bcaa346afcd342f9a2

NanoCore

67c94b404e2850bd6a8cfb4cac1487c52079d538bb0ea8455f5bfb1090e91c19

NanoCore

866c0ed515a8b489e43ec168777e102573e313547b9c93f32d93203473502ae1

NanoCore

90141bd6f0215103fb95009ef0336cbd17aa2e4e41ffa3aa2171f939234c0e32

NanoCore

91e9f28f460f776bedc7a90e63506e9dff1f0b55d7397bf4c8faea3c83f097ed

NanoCore

953b28fd61cb8eb78e1fca699aead009a12bb5a0a6a8d42b0447cbe2bf828143

NanoCore

a9cd75d30ef66be7f5d70754ff52882fbb390532669d60ad3ecb2df8a4f99a56

NanoCore

ce99d2532b3b8a99e8d81af90de4b5bcf906a25fd337369d7e40448e04e0254a

NanoCore

fcde661a96a6352ae04e5127c9d1844079dbd05980564cef93bdd96069fce8a0

NanoCore

+ 1'246 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore keylogger spyware stealer trojan

Link:

https://tria.ge/reports/201109-rvfnh6jrg6/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

NanoCore

Malware Config

C2 Extraction:

194.5.97.10:2364
jacknanoles472son.publicvm.com:2364

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_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/