MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc8d2060f52b693d1745bac54a0943292519d643917590d4ded54a9cbd96ea7a. 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 1 YARA 6 File information Comments

SHA256 hash: fc8d2060f52b693d1745bac54a0943292519d643917590d4ded54a9cbd96ea7a
SHA3-384 hash: 1d77da8d5a0d9128908b145fa1f1006954f99c0183c23b70e8cb3f0890cf390bb6f61a33e1e8719de0acb959cabe15bf
SHA1 hash: 83711a00aa7b1cc874915d5e7221eff8ac008dcf
MD5 hash: d5d56d33b8698818602da14aa0754909
humanhash: robin-alpha-arkansas-iowa
File name:d5d56d33b8698818602da14aa0754909.exe
Download: download sample
Signature NanoCore
File size:948'736 bytes
First seen:2021-04-20 11:20:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:C1JDpkm1FBuOYLx1+qgQcdRYTAtLBgPczY:C1lRpYD+qgQcbrB6CY
Threatray 2'615 similar samples on MalwareBazaar
TLSH F915BF5D3648F68FC82BCE36C9641C34A661A067C30BE747E05F11A89E4D69BFE191F2
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
46.183.220.67:5456

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
46.183.220.67:5456 https://threatfox.abuse.ch/ioc/9242/

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
180421 PDA Request for Quotation.doc
Verdict:
Malicious activity
Analysis date:
2021-04-20 07:53:30 UTC
Tags:
ole-embedded loader trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
Sigma detected: Scheduled temp file as task from temp location
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 393394 Sample: 9nNELqsesC.exe Startdate: 20/04/2021 Architecture: WINDOWS Score: 100 52 cloudhost.myfirewall.org 2->52 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 13 other signatures 2->64 9 9nNELqsesC.exe 3 2->9         started        13 dhcpmon.exe 3 2->13         started        15 9nNELqsesC.exe 2 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\9nNELqsesC.exe.log, ASCII 9->50 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 9->68 70 Injects a PE file into a foreign processes 9->70 19 9nNELqsesC.exe 1 17 9->19         started        24 9nNELqsesC.exe 9->24         started        26 9nNELqsesC.exe 9->26         started        28 dhcpmon.exe 2 13->28         started        30 9nNELqsesC.exe 2 15->30         started        32 dhcpmon.exe 17->32         started        signatures6 process7 dnsIp8 54 cloudhost.myfirewall.org 46.183.220.67, 49712, 49713, 49714 DATACLUBLV Latvia 19->54 56 192.168.2.1 unknown unknown 19->56 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, data 19->44 dropped 46 C:\Users\user\AppData\Local\...\tmp8AE9.tmp, XML 19->46 dropped 48 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->48 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->66 34 schtasks.exe 1 19->34         started        36 schtasks.exe 1 19->36         started        file9 signatures10 process11 process12 38 conhost.exe 34->38         started        40 conhost.exe 36->40         started       
Gathering data
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
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:
cloudhost.myfirewall.org:5456
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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
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 fc8d2060f52b693d1745bac54a0943292519d643917590d4ded54a9cbd96ea7a

(this sample)

  
Delivery method
Distributed via web download

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