MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 065f50e43b6331130a7b0ac8de24f6e1df0fb00d5c101666f32f6d54e6bd9d83. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments
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SHA256 hash: 065f50e43b6331130a7b0ac8de24f6e1df0fb00d5c101666f32f6d54e6bd9d83
SHA3-384 hash: 4d0d2ecb6dd316a0d3c09ea523269d63c140b12e95b2f465ec4541597b4c2c0a31b5ed2791b6699da5c880596c1b7b0b
SHA1 hash: 7a60598b33ca31627ab3767c6359ce81f8938785
MD5 hash: 2c25930da215dccac6d3d3c18860e2f1
humanhash: nebraska-hot-fruit-nuts
File name:2c25930da215dccac6d3d3c18860e2f1.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:676'285 bytes
First seen:2021-05-24 17:52:56 UTC
Last seen:2021-05-24 18:02:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 12288:Ft4EYRB2oYZH7Jr/x6mwxqVdMb76Cdqd+EuWBDTYHIC4jsSc:FtaRBnoxpdw4VdMycREFXoIKSc
Threatray 761 similar samples on MalwareBazaar
TLSH 36E42305F5D63C3BC1A297B85451F39AC9B3E72C861242E32BA95FD72C6D1C78126D0A
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2c25930da215dccac6d3d3c18860e2f1.exe
Verdict:
Malicious activity
Analysis date:
2021-05-24 17:57:29 UTC
Tags:
installer rat nanocore
Link:
https://app.any.run/tasks/a7a48f18-38ac-43ad-9319-444d1fa7909d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.9471.31416.UNOFFICIAL
Create hunting rule

PUA.Win.Trojan.Casino-141
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a window
Sending a UDP request
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
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/790666
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Sigma detected: NanoCore
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 423064 Sample: IXrnzehrc2.exe Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 32 wespeaktruthtoman.sytes.net 2->32 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Sigma detected: NanoCore 2->44 46 5 other signatures 2->46 7 dxmpr.exe 18 2->7         started        11 IXrnzehrc2.exe 1 23 2->11         started        13 dxmpr.exe 16 2->13         started        signatures3 process4 file5 22 C:\Users\user\AppData\Local\...\System.dll, PE32 7->22 dropped 50 Multi AV Scanner detection for dropped file 7->50 52 Detected unpacking (changes PE section rights) 7->52 54 Detected unpacking (overwrites its own PE header) 7->54 56 Machine Learning detection for dropped file 7->56 15 dxmpr.exe 3 7->15         started        24 C:\Users\user\AppData\Roaming\...\dxmpr.exe, PE32 11->24 dropped 26 C:\Users\user\AppData\Local\...\System.dll, PE32 11->26 dropped 58 Maps a DLL or memory area into another process 11->58 18 IXrnzehrc2.exe 8 11->18         started        signatures6 process7 dnsIp8 28 C:\Users\user\AppData\Local\...\dxmpr.exe.log, ASCII 15->28 dropped 34 wespeaktruthtoman.sytes.net 79.134.225.47, 49700, 49702, 49703 FINK-TELECOM-SERVICESCH Switzerland 18->34 36 wespeaktruthtoman12.sytes.net 18->36 38 192.168.2.1 unknown unknown 18->38 30 C:\Users\user\AppData\Roaming\...\run.dat, data 18->30 dropped 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->48 file9 signatures10
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/065f50e43b6331130a7b0ac8de24f6e1df0fb00d5c101666f32f6d54e6bd9d83/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-05-24 17:53:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
18 of 47 (38.30%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=azpvbzb3mmyrgct3blen4jhw4hpq7manlqibmzxtf5wvjzv5twbq._file
Verdict:
unknown
Similar samples:
0dbc7401908f4c77ba9380f1f1d04ee61734a6116331745cd09d88ac368a2736
NanoCore
410ab8ce38a5fd9868cfa4a023a7f28647ce1c8c44501f13ec8fe3040d7a85c5
NanoCore
4a33ccb09660326d4158898be2f17d43b3c94fc901ecd97d30d932421bb92023
NanoCore
56855ec2eaecac2dc657e738098edcf0146b6a82bd84a5205b7f85072264c38e
NanoCore
6c9d0328b0b0aef965bd38b57e5971cc2f2a7952e662e589ea2f8e20fbf99f4b
NanoCore
74d5a7052ca7168700158a9f7c8c15f37c99355e1b84dc5a73724d605bd35604
NanoCore
9c78146f4a627174c179d84b1069dad2eb688db691b637793d3285595b773120
NanoCore
ba3269a5f9ef184b1c62c8e103f24c32b45d3f5ea57f205d012ee7bdbf7f9649
NanoCore
d6de59287fd3d5aa571551f2c4f0f05cbba2b35b801ddd854c5297349f83702e
NanoCore
e53122230df3df822e7e4476d12fe580f5b6a18e793b42703e00fb58e9f2547b
NanoCore
+ 751 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/210524-5nxmyjb97n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
wespeaktruthtoman.sytes.net:5600
wespeaktruthtoman12.sytes.net:5600
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/065f50e43b6331130a7b0ac8de24f6e1df0fb00d5c101666f32f6d54e6bd9d83

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 065f50e43b6331130a7b0ac8de24f6e1df0fb00d5c101666f32f6d54e6bd9d83

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1278794/
  
Delivery method
Distributed via web download

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