MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6770e6c3653abbf8fe799204370675eef66e04f52712ae83cdba1df508755351. 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 1 YARA 8 File information Comments

SHA256 hash: 6770e6c3653abbf8fe799204370675eef66e04f52712ae83cdba1df508755351
SHA3-384 hash: 947e50d9df3cbf6ee1be5a1161ccc0197b16f56efdaafee3d006e1c5e3b157b2df60c6b40aa50b387749190111b05a45
SHA1 hash: 47296cdb993ed8e571ac74483c182063627828a9
MD5 hash: 556a1d40236b48bd1a3fc6727ede4126
humanhash: cup-robin-kilo-timing
File name:Payment Advice Reference No SWT005262021.exe
Download: download sample
Signature NanoCore
File size:935'936 bytes
First seen:2021-05-27 14:55:05 UTC
Last seen:2021-05-27 15:46:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:x074FFFlONmjSfOHIXig/gqTNCrGrWJSh3n:C74FrUNmaOvgeyH3
Threatray 1'999 similar samples on MalwareBazaar
TLSH DB15E026CE858EB9C0C819708531275A3FA76EC19973D6CDC9C9F87D2837398A27917C
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
31.210.20.60:54920

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
31.210.20.60:54920 https://threatfox.abuse.ch/ioc/65548/

Intelligence


File Origin
# of uploads :
2
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice Reference No SWT005262021.exe
Verdict:
Malicious activity
Analysis date:
2021-05-27 15:47:42 UTC
Tags:
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
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
SUSPICIOUS
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 425673 Sample: Payment Advice Reference No... Startdate: 27/05/2021 Architecture: WINDOWS Score: 100 43 warqazx.strangled.net 2->43 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 12 other signatures 2->63 7 Payment Advice Reference No SWT005262021.exe 16 7 2->7         started        12 treta.exe 14 5 2->12         started        14 treta.exe 2 2->14         started        signatures3 process4 dnsIp5 45 cdn.discordapp.com 162.159.133.233, 443, 49709, 49713 CLOUDFLARENETUS United States 7->45 27 C:\Users\user\AppData\Roaming\...\treta.exe, PE32 7->27 dropped 29 Payment Advice Ref...No SWT005262021.exe, PE32 7->29 dropped 31 C:\Users\user\...\treta.exe:Zone.Identifier, ASCII 7->31 dropped 37 2 other malicious files 7->37 dropped 65 Writes to foreign memory regions 7->65 67 Allocates memory in foreign processes 7->67 69 Injects a PE file into a foreign processes 7->69 16 Payment Advice Reference No SWT005262021.exe 8 7->16         started        47 162.159.135.233, 443, 49726, 49730 CLOUDFLARENETUS United States 12->47 33 C:\Users\user\AppData\Local\Temp\treta.exe, PE32 12->33 dropped 35 C:\Users\user\...\treta.exe:Zone.Identifier, ASCII 12->35 dropped 21 treta.exe 12->21         started        23 treta.exe 14->23         started        file6 signatures7 process8 dnsIp9 39 warqazx.strangled.net 31.210.20.60, 49724, 49725, 49729 PLUSSERVER-ASN1DE Netherlands 16->39 41 dbep.duckdns.org 16->41 25 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 16->25 dropped 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->49 51 Antivirus detection for dropped file 21->51 53 Multi AV Scanner detection for dropped file 21->53 55 Machine Learning detection for dropped file 21->55 file10 signatures11
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-05-27 14:41:49 UTC
AV detection:
9 of 47 (19.15%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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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