MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b
SHA3-384 hash: 335487041058d12f8f1464ccbcbdca78db84a984d6441749405eeef025303f52b692dad4d765fb097255538f448d72b7
SHA1 hash: c203df1e9fe8ce9cf051d9765bfc4c52770fea21
MD5 hash: aa5a513f1fdc0a8817e6f3af2f6c25c6
humanhash: social-rugby-kilo-network
File name:dFHrckWQ.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'360 bytes
First seen:2020-09-18 11:32:21 UTC
Last seen:2020-09-25 15:47:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:gLV6Bta6dtJmakIM5Ss0ytgxpA+wyAR+U8gbP:gLV6BtpmkBv/pA+XM+XQ
Threatray 1'071 similar samples on MalwareBazaar
TLSH 9414CF1637A84A2FE2DE8A79612251538378C2E399C3F3EF28D455B74F663E50A071D3
Reporter pmelson
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
3
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Connecting to a non-recommended domain
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/469908
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-09-18 11:34:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=icvoajgkdgf3vrn5i6y5quwnoqripoxmr7lhjlzga43fvwbzjz5q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
15d88e59e80b15ed7b24ffd1a496ff718b76a6a7d06cc2be0d1f91e460871c12
NanoCore
49ad0ed3bf58f6bec614955067d2a6ae9a19825412ed6f6e851973d5d809293f
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
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756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
NanoCore
9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
NanoCore
c4f0b3610d084b670fbcd8d5405153b208907ac348a190df4cfa41b1dc4f029c
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d11f8cd2987a718cc9d0bd9de289ee8d90555115cb9d03fdc8f0b930898e4a75
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e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
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e41e433626e9dbf6c3a56c29c9dc60adfa53f71cd1c3bc10d682a1b2239c576d
NanoCore
+ 1'061 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore
Link:
https://tria.ge/reports/200918-yl6jpl679j/
Behaviour
Nanocore family
Malware Config
C2 Extraction:
crpasky.sytes.net:3615
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b

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 40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b

(this sample)

  
Link
https://www.virustotal.com/gui/file/40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/63411/

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