MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4feb5e8d87160266b6b0f633551f6ce88f8e3dc12a01686d5d854767e8e0b00c. 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: 4


Intelligence 4 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4feb5e8d87160266b6b0f633551f6ce88f8e3dc12a01686d5d854767e8e0b00c
SHA3-384 hash: 2a97480733c08b3f3c752336ef17645b9ee135a841d22619fba4def67b6d23c93dce4b13fd62ecb3b467670ea8d1b627
SHA1 hash: e37033d944b83938ef339d49b25db2992d5b58d0
MD5 hash: a83c489fe0e9ae28ce5b124dae7601d3
humanhash: mango-august-stairway-four
File name:a83c489fe0e9ae28ce5b124dae7601d3.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:633'856 bytes
First seen:2020-05-24 08:01:05 UTC
Last seen:2020-05-24 08:47:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Rqm2/5b9j6kLSaIrBlY31bpB+qH2OtLCNtTyM2p8FLl5BU/O11mZ:Ur/x9jrSasEbpB+2xt+NtTyTA55GO11y
Threatray 1'203 similar samples on MalwareBazaar
TLSH 5FD4020112D4431BD496AA349876D935467D7E06F723F29E0AE87C8B3E367D49883BB3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
185.140.53.208:1960

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VZM.8588.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-24 08:35:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
06d720fb36d32c1b3ce7fea9bb50eb90c2e1d90b270c1f21658c1035344a4c4b
NanoCore
266c0f3b1cf78040080fce2037544112b77d23b25753c714d6390c2f705a3c34
NanoCore
34f1b02bdccebe61deb518957acd32c9a64ce358102db3be15ed7d46f9945004
NanoCore
37bddf42525de673f8c88355875c5bed4035d5c5100ebece7c3aae162d3ba68f
NanoCore
49734ef67be2f2a71545820ed6258683d03a9aa3a97db586aea7d148090b4fa4
NanoCore
6aa3059db34fb36662907183cf3780aac4b4c00e663f261a59aeebc00c03a5c0
NanoCore
849203fe0a6d79eaa0523e67c2746901de11663de22a7b556a677b5088e51097
NanoCore
a37f501c2d65d191828fe20bf148436de23201f6fe852d59dfa67aaa5fc206e8
NanoCore
a6326d16b92f9d360ddce0cab666de27a10863a36f11e9acaf663342def74fff
NanoCore
d0a9cde7ebed2daf4306e0e76a341e6c4293bf9904ed464f5bfcb462dc0999d0
NanoCore
+ 1'193 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-zndghcy9y6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
NanoCore
Malware Config
C2 Extraction:
chaya.ddns.net:1960
185.140.53.208:1960
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 4feb5e8d87160266b6b0f633551f6ce88f8e3dc12a01686d5d854767e8e0b00c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/366581/
  
Delivery method
Distributed via web download

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