MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9e386914a47b738dcfe89fadf3021be00c2dfe8824d8326ea79fcd79d3673cc. 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 5 File information Comments

SHA256 hash: f9e386914a47b738dcfe89fadf3021be00c2dfe8824d8326ea79fcd79d3673cc
SHA3-384 hash: 1e2fd2eea4858cacde4a7e6d19ab38f2214975ace3e02d6c6433c070f02d105823e351a4d96b4c9f18b9ebdb2cfeb64e
SHA1 hash: d0984cbf0ad371e718957daf30485f0ee0d60e57
MD5 hash: 6e3084b046715dd83bedaedfdcbdfd1a
humanhash: mobile-carolina-november-paris
File name:6e3084b046715dd83bedaedfdcbdfd1a.exe
Download: download sample
Signature NanoCore
File size:1'109'501 bytes
First seen:2020-09-02 12:21:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (865 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:JAOcZypDXw6N42DRVSfdXnY2mTWLQ75i1xTJXH7tBn8h:jrXwP2DRVGJHmTr5i1xTJHBu
Threatray 1'264 similar samples on MalwareBazaar
TLSH 33351202F7C284B1D07318366A39AB219D7C7D305F28EA5EB7D0496DEB725916234BB3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
stronggods.ddns.net

Intelligence


File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Sending a UDP request
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file in the %temp% directory
Adding an access-denied ACE
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected Nanocore Rat
Drops PE files with a suspicious file extension
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
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
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 281103 Sample: f4IJf6g3b7.exe Startdate: 02/09/2020 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 8 other signatures 2->68 9 f4IJf6g3b7.exe 30 2->9         started        13 xiklhd.pif 2->13         started        15 RegSvcs.exe 2 2->15         started        17 3 other processes 2->17 process3 file4 52 C:\85110179\xiklhd.pif, PE32 9->52 dropped 78 Drops PE files with a suspicious file extension 9->78 19 xiklhd.pif 2 4 9->19         started        80 Writes to foreign memory regions 13->80 82 Allocates memory in foreign processes 13->82 84 Injects a PE file into a foreign processes 13->84 23 RegSvcs.exe 13->23         started        25 conhost.exe 15->25         started        27 conhost.exe 17->27         started        29 conhost.exe 17->29         started        signatures5 process6 file7 50 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 19->50 dropped 70 Multi AV Scanner detection for dropped file 19->70 72 Writes to foreign memory regions 19->72 74 Allocates memory in foreign processes 19->74 76 Injects a PE file into a foreign processes 19->76 31 RegSvcs.exe 1 11 19->31         started        signatures8 process9 dnsIp10 54 79.134.225.111, 49730, 49733, 49746 FINK-TELECOM-SERVICESCH Switzerland 31->54 56 stronggods.ddns.net 31->56 44 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 31->44 dropped 46 C:\Users\user\AppData\Local\...\tmp1C56.tmp, XML 31->46 dropped 48 C:\Program Files (x86)\...\dhcpmon.exe, PE32 31->48 dropped 58 Protects its processes via BreakOnTermination flag 31->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 31->60 36 schtasks.exe 1 31->36         started        38 schtasks.exe 1 31->38         started        file11 signatures12 process13 process14 40 conhost.exe 36->40         started        42 conhost.exe 38->42         started       
Threat name:
Win32.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-09-02 11:15:10 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
persistence evasion trojan keylogger stealer spyware family:nanocore
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
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
stronggods.ddns.net:7590
79.134.225.111:7590
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_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.

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