MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e13a6e3c10c13c62da2b5a419f8895c357f3f993936b1cf2c1ccfdd6132c5d7b. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e13a6e3c10c13c62da2b5a419f8895c357f3f993936b1cf2c1ccfdd6132c5d7b
SHA3-384 hash: 54ddf9ff66aef3ca26a83ab1ee9d34450edda00df7d18304d477d386bf61d206062b5733d6c125d4998208e612f8b7ff
SHA1 hash: 54ca1e169e2ab1bd9e025d5c3b22f5985d5a87bc
MD5 hash: 7296c9b7f314d5d67ff8fa6a2d894406
humanhash: apart-papa-table-enemy
File name:7296c9b7f314d5d67ff8fa6a2d894406.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'087'488 bytes
First seen:2020-11-09 07:31:58 UTC
Last seen:2020-11-14 18:28:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:6hiP99pY8d5S9gCYRLeNxtObS+kCt31MBhwBg7wSOA8eUNsyqnhXVvM6S9dhMy6k:6hlCJkGP98XfeRp4fab+pyPHl/kG
Threatray 1'340 similar samples on MalwareBazaar
TLSH 76355F58A4E8638BC83737B99B3905C5C3B0CE6612BDC6D7409C78F6AE4ED768B75804
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
atacoinc8897.hopto.org:2008

Intelligence

File Origin
# of uploads :
3
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/525937
Signature
.NET source code contains potential unpacker
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 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 Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312062 Sample: FpK385nmHk.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 11 other signatures 2->69 8 FpK385nmHk.exe 1 6 2->8         started        12 vlc.exe 3 2->12         started        14 dhcpmon.exe 5 2->14         started        16 3 other processes 2->16 process3 file4 55 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 8->55 dropped 57 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 8->57 dropped 59 C:\Users\user\AppData\...\FpK385nmHk.exe.log, ASCII 8->59 dropped 73 Injects a PE file into a foreign processes 8->73 18 FpK385nmHk.exe 1 15 8->18         started        23 FpK385nmHk.exe 8->23         started        25 vlc.exe 12->25         started        27 vlc.exe 12->27         started        29 dhcpmon.exe 14->29         started        31 dhcpmon.exe 14->31         started        33 FpK385nmHk.exe 16->33         started        35 vlc.exe 16->35         started        37 dhcpmon.exe 16->37         started        signatures5 process6 dnsIp7 61 atacoinc8897.hopto.org 185.244.26.199, 2008, 49726 VAMU-ASIP-TRANSITVAMURU Netherlands 18->61 47 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->47 dropped 49 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->49 dropped 51 C:\Users\user\AppData\Local\...\tmp620A.tmp, XML 18->51 dropped 53 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->53 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 39 schtasks.exe 1 18->39         started        41 schtasks.exe 1 18->41         started        file8 signatures9 process10 process11 43 conhost.exe 39->43         started        45 conhost.exe 41->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e13a6e3c10c13c62da2b5a419f8895c357f3f993936b1cf2c1ccfdd6132c5d7b/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-11-08 12:08:39 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4e5g4paqye6gfwrlljaz7cevynl7h6mtsnvrz4wbzt65mezmlv5q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
1778a255b790b18f042384c6ebb3176d3f3f0fd172d313b07242ac42b000132e
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4d41aeadc8ec2a61264185f84985595dea4edec7a0c1e0866497c5f16d3dff46
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92623796596c411c3458b0ba32673dfa0bb1fcdb5a2b42c07b0a3b9d6b044a21
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9279c6ca7db65d126d35f77f8dc93b46c0e6e68a5ba6da1789ae30c1959bb898
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be240aed297970b0e97f46ce8964784645c8bfeb7b4ffc451ab7857b7df8438f
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cb5eb4758a41046a2f3fc084731d756aedf8ea212dc08c9bb2e6cd7f5eff6cae
NanoCore
ea4115e347193aa868162072e3db30d9652650aa2915726aa83d91beb202b9bb
NanoCore
+ 1'330 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/201109-svdx9kah4n/
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:
atacoinc8897.hopto.org:2008
185.244.26.199:2008
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
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.

Web download

NanoCore

Executable exe e13a6e3c10c13c62da2b5a419f8895c357f3f993936b1cf2c1ccfdd6132c5d7b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/780160/
  
Delivery method
Distributed via web download

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