MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6ad9479839b7c1e35a61ac244e42431e23de9be91794df9c5d027d7d1bb8c58. 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 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d6ad9479839b7c1e35a61ac244e42431e23de9be91794df9c5d027d7d1bb8c58
SHA3-384 hash: 667da4f86b1511376e2ad27a3ebc7cd2ab3b99d084490828507cda60fdb69a7a8e4a22a092e8c9b917a3e2251730b6ae
SHA1 hash: 2de53574b8fb7be82ff399bfd777d53646d209de
MD5 hash: e8e4ed236c62b0b3382722ec767ad84c
humanhash: vermont-zebra-steak-hawaii
File name:e8e4ed236c62b0b3382722ec767ad84c.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'005'568 bytes
First seen:2021-06-02 11:20:47 UTC
Last seen:2021-06-02 12:00:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:wc/5eG4g8rdXr0Fg/J9Qdo7BEj1Uyot7VTUAaZk4i2DpMPhvT:4OK7UgB9QG7BsSyotxUAaO2
Threatray 1'990 similar samples on MalwareBazaar
TLSH 3D259EF4F198A8B4D15EC732C3909CADEBA252FE53038A6C15A5CA8C1F1378ADF8D455
Reporter abuse_ch
Tags:exe NanoCore RAT

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
199.195.253.181:54666 https://threatfox.abuse.ch/ioc/69479/

Intelligence

File Origin
# of uploads :
4
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e8e4ed236c62b0b3382722ec767ad84c.exe
Verdict:
Malicious activity
Analysis date:
2021-06-02 11:23:18 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/417a7fa1-e6bf-4882-815c-87799d2a8bc5

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/164019/
Detection(s):
SecuriteInfo.com.ArtemisE8E4ED236C62.14067.15064.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/795850
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 428246 Sample: 67k23Rdo5x.exe Startdate: 02/06/2021 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 12 other signatures 2->57 8 67k23Rdo5x.exe 3 2->8         started        12 dhcpmon.exe 2 2->12         started        14 67k23Rdo5x.exe 2 2->14         started        16 dhcpmon.exe 3 2->16         started        process3 file4 47 C:\Users\user\AppData\...\67k23Rdo5x.exe.log, ASCII 8->47 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 8->61 63 Injects a PE file into a foreign processes 8->63 18 67k23Rdo5x.exe 1 15 8->18         started        23 dhcpmon.exe 12->23         started        25 dhcpmon.exe 12->25         started        27 dhcpmon.exe 12->27         started        29 67k23Rdo5x.exe 2 14->29         started        signatures5 process6 dnsIp7 49 rnnfibi.hopto.org 199.195.253.181, 49729, 49733, 49734 PONYNETUS United States 18->49 39 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->39 dropped 41 C:\Users\user\AppData\Roaming\...\run.dat, data 18->41 dropped 43 C:\Users\user\AppData\Local\...\tmpDFA3.tmp, XML 18->43 dropped 45 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->45 dropped 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->59 31 schtasks.exe 1 18->31         started        33 schtasks.exe 1 18->33         started        file8 signatures9 process10 process11 35 conhost.exe 31->35         started        37 conhost.exe 33->37         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d6ad9479839b7c1e35a61ac244e42431e23de9be91794df9c5d027d7d1bb8c58/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-02 11:21:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
21 of 47 (44.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=22wzi6mdtn6b4nngdlbejzbeghrd32n6sf4u36of2at5pun3rrma._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
a1fba3b877a576f41850e0696a9ae45e4419de786d1fb2ed164b2c3c0aa97917
NanoCore
cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
NanoCore
e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642
NanoCore
+ 1'980 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/210602-jag81y6nss/
Behaviour
Creates scheduled task(s)
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
Malware Config
C2 Extraction:
rnnfibi.hopto.org:54666
127.0.0.1:54666
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d6ad9479839b7c1e35a61ac244e42431e23de9be91794df9c5d027d7d1bb8c58

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

NanoCore

Executable exe d6ad9479839b7c1e35a61ac244e42431e23de9be91794df9c5d027d7d1bb8c58

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1306418/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/164019/

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