MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e890d6a375e1c903b4475099459739bb5149646ebaf71d4424254529d39ab69f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e890d6a375e1c903b4475099459739bb5149646ebaf71d4424254529d39ab69f
SHA3-384 hash: 1b3c1f637e13ee92964614a91eb7d80c7af77b61861a5d208d0684749dc0df4c7293d66d69497518720dae067658d1a2
SHA1 hash: 888c2c9afc772b95d4a7f3efd07ab1f6e09ac46e
MD5 hash: bf0a60c5eb6ae88a2ca723b7f42d2f7e
humanhash: georgia-jig-apart-august
File name:bf0a60c5eb6ae88a2ca723b7f42d2f7e.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:677'888 bytes
First seen:2020-05-05 13:27:18 UTC
Last seen:2020-05-05 14:52:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:D54vX3hMwerD9yhMVg5oTTs50qQunWn2i99N1JuxhbhXXMcSxL5MCQUyKLWUy9G8:K3oZlVF/s5ZdWT8
Threatray 1'186 similar samples on MalwareBazaar
TLSH A5E4388D75D871DFC81BC4718E68BD68AA403CA6431B4D03AC53B5AD992C897CF760BE
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VSJ.4527.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-05 13:35:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5cinni3v4heqhnchkcmulfzzxniuszdoxl3r2rbeevcstu42w2pq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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+ 1'176 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-cc3t4kav7n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
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/
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.

Web download

NanoCore

Executable exe e890d6a375e1c903b4475099459739bb5149646ebaf71d4424254529d39ab69f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/358386/
  
Delivery method
Distributed via web download

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