MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00343ef156007c41a76abebe2b0304aacc7e2b12e0d30ea476ecf8c847a54dfc. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 00343ef156007c41a76abebe2b0304aacc7e2b12e0d30ea476ecf8c847a54dfc
SHA3-384 hash: 35a0fabe81f560c412647f5076c728f1a69017208923f4710e15869be280bc504d1fbcbdd60040db72bea3ff935f72cd
SHA1 hash: 8d76cc9e4e21f90aaa0d2a8e9dd88ccb03349f29
MD5 hash: 08803cc817d8b1046a964af11685b15c
humanhash: mockingbird-football-batman-wolfram
File name:nanocore.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:321'222 bytes
First seen:2021-04-08 23:06:25 UTC
Last seen:2021-04-08 23:39:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 18bc6fa81e19f21156316b1ae696ed6b (51 x Formbook, 24 x Loki, 9 x SnakeKeylogger)
ssdeep 6144:HdlwCtaK8BqoNWDCANNpFONOXopiTgRXWTZU3qC4XpO5BDiQ2KHeG:/xtaR0oQDCANPYNNpUDJX45BkEeG
Threatray 2'018 similar samples on MalwareBazaar
TLSH 8C6423512380FD32E8C55F370DD307AB83368B55B886089B47E0EF97677664BD61B06A
Reporter Pimpjui53612340
Tags:NanoCore


Avatar
Pimpjui53612340
Nanocore RAT version 1.2.2.0

chinomso[.]duckdns[.]org:7688

Intelligence

File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
nanocore.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 23:08:32 UTC
Tags:
installer rat nanocore
Link:
https://app.any.run/tasks/0301c5d3-ae35-4488-960a-66470a99284d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nanocore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/133301/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46048894.383.23797.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Launching a process
Deleting a recently created file
DNS request
Sending a UDP request
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/670861
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 384377 Sample: nanocore.exe Startdate: 09/04/2021 Architecture: WINDOWS Score: 100 59 chinomso.duckdns.org 2->59 65 Multi AV Scanner detection for domain / URL 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 13 other signatures 2->71 9 nanocore.exe 18 2->9         started        14 dhcpmon.exe 16 2->14         started        16 nanocore.exe 16 2->16         started        18 dhcpmon.exe 16 2->18         started        signatures3 process4 dnsIp5 63 192.168.2.1 unknown unknown 9->63 51 C:\Users\user\AppData\...\4rmzuajr4dtt.dll, PE32 9->51 dropped 75 Detected unpacking (changes PE section rights) 9->75 77 Detected unpacking (overwrites its own PE header) 9->77 79 Uses schtasks.exe or at.exe to add and modify task schedules 9->79 81 Contains functionality to prevent local Windows debugging 9->81 20 nanocore.exe 1 12 9->20         started        53 C:\Users\user\AppData\...\4rmzuajr4dtt.dll, PE32 14->53 dropped 83 Maps a DLL or memory area into another process 14->83 25 dhcpmon.exe 3 14->25         started        55 C:\Users\user\AppData\...\4rmzuajr4dtt.dll, PE32 16->55 dropped 27 nanocore.exe 3 16->27         started        57 C:\Users\user\AppData\...\4rmzuajr4dtt.dll, PE32 18->57 dropped 29 dhcpmon.exe 2 18->29         started        file6 signatures7 process8 dnsIp9 61 chinomso.duckdns.org 213.208.152.210, 49740, 49746, 49747 NEXTLAYER-ASAT Austria 20->61 39 C:\Program Files (x86)\...\dhcpmon.exe, PE32 20->39 dropped 41 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 20->41 dropped 43 C:\Users\user\AppData\Local\...\tmp38C1.tmp, XML 20->43 dropped 45 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 20->45 dropped 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->73 31 schtasks.exe 1 20->31         started        33 schtasks.exe 1 20->33         started        47 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 25->47 dropped 49 C:\Users\user\AppData\...\nanocore.exe.log, ASCII 27->49 dropped file10 signatures11 process12 process13 35 conhost.exe 31->35         started        37 conhost.exe 33->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/00343ef156007c41a76abebe2b0304aacc7e2b12e0d30ea476ecf8c847a54dfc/
Threat name:
Win32.Trojan.Predator
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 19:13:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 48 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aa2d54kwab6edj3kx27cwayevlgh4kys4djq5jdw5t4mqr5fjx6a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0e206f1cf56315c1d4245ca01cac08ebab51decab43760d40e43a754d27da7b6
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
52b5f2f95b1200b20a6f3adfcb93c6f87713155f83176dede353ee158c7c1b63
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8551c05301b50a17763637cca7f291a6b779c82f16275f734e793f6a0e7e1a17
NanoCore
be86e9fd2d5913526b7cea3bec1ad8c84acea8cab73ea78414e6317565f3079b
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cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
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e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
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e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11
NanoCore
f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
NanoCore
+ 2'008 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/210408-pg5j23p1c6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
chinomso.duckdns.org:7688
Unpacked files
SH256 hash:
4d78bb146725f4e19ec267e7dddc6074f99561482693c6f0cf2c0c64a9ea76a1
MD5 hash:
422d5ca3edc5ba6e946720c8e1fd69f9
SHA1 hash:
8009e5f7ef9cf4b43de28d8a11048c195a887ee7
Link:
https://www.unpac.me/results/fe95efdc-135d-46b8-bb73-e50967398f18/
SH256 hash:
00343ef156007c41a76abebe2b0304aacc7e2b12e0d30ea476ecf8c847a54dfc
MD5 hash:
08803cc817d8b1046a964af11685b15c
SHA1 hash:
8d76cc9e4e21f90aaa0d2a8e9dd88ccb03349f29
Link:
https://www.unpac.me/results/fe95efdc-135d-46b8-bb73-e50967398f18/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/00343ef156007c41a76abebe2b0304aacc7e2b12e0d30ea476ecf8c847a54dfc

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
Create hunting rule
Author:jeFF0Falltrades
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.

Cape
Cape
https://www.capesandbox.com/analysis/133301/

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