MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43ee89c14274dbfb7cc6c39fffcc59ffdc08c5581450928c7420570bd74bffbe. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43ee89c14274dbfb7cc6c39fffcc59ffdc08c5581450928c7420570bd74bffbe
SHA3-384 hash: 81b9f34218797e9f4de130f1bc6425c2d5f2638aef3c5fcae77c1f7cbd184e118154393b0a2a01c406f1f69ddb72fe88
SHA1 hash: dda83933b39f5b9628f0e7ae568ccf72332f271a
MD5 hash: 1601adf87809b57343a81396916b21ea
humanhash: whiskey-kitten-beer-stream
File name:1601adf87809b57343a81396916b21ea.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:38'248 bytes
First seen:2021-07-02 10:41:48 UTC
Last seen:2021-07-02 11:50:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:PE5dDnYg7Ic0/goIWODEKxc4B3GflCt82F/5w3i22HIeCEZhF:s5BYg73woA2c4BkgwSjIXEJ
TLSH 270317DD8A6C06D6C23FF530DBE036434721617E6A0C896F54B689D3C846BC1ABD516F
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1601adf87809b57343a81396916b21ea.exe
Verdict:
Malicious activity
Analysis date:
2021-07-02 10:45:05 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/30c4a07a-def4-4db2-960e-43edf5846499

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/169327/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46564063.22118.28127.UNOFFICIAL
Create hunting rule

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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bec4c85c-1684-438e-95b6-3ce7ae5936ce
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811031
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
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
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 443442 Sample: 000jZQmyk4.exe Startdate: 02/07/2021 Architecture: WINDOWS Score: 100 85 tzitziklishop.ddns.net 2->85 95 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->95 97 Multi AV Scanner detection for domain / URL 2->97 99 Found malware configuration 2->99 101 10 other signatures 2->101 10 000jZQmyk4.exe 17 4 2->10         started        14 000jZQmyk4.exe 3 2->14         started        16 dhcpmon.exe 2->16         started        18 dhcpmon.exe 2->18         started        signatures3 process4 dnsIp5 89 kakosidobrosam.gq 104.21.67.197, 443, 49737, 49750 CLOUDFLARENETUS United States 10->89 91 192.168.2.1 unknown unknown 10->91 107 Uses schtasks.exe or at.exe to add and modify task schedules 10->107 109 Adds a directory exclusion to Windows Defender 10->109 111 Hides threads from debuggers 10->111 20 000jZQmyk4.exe 1 14 10->20         started        25 WerFault.exe 10->25         started        33 3 other processes 10->33 27 powershell.exe 14->27         started        29 000jZQmyk4.exe 14->29         started        31 WerFault.exe 14->31         started        35 2 other processes 14->35 37 4 other processes 16->37 93 172.67.180.37, 443, 49758 CLOUDFLARENETUS United States 18->93 39 4 other processes 18->39 signatures6 process7 dnsIp8 87 tzitziklishop.ddns.net 103.133.106.117, 1665, 49752, 49759 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 20->87 71 C:\Program Files (x86)\...\dhcpmon.exe, PE32 20->71 dropped 73 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 20->73 dropped 75 C:\Users\user\AppData\Local\...\tmpD4CC.tmp, XML 20->75 dropped 77 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 20->77 dropped 103 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->103 41 schtasks.exe 1 20->41         started        43 schtasks.exe 1 20->43         started        79 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 25->79 dropped 105 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 27->105 45 conhost.exe 27->45         started        81 C:\Users\user\AppData\...\000jZQmyk4.exe.log, ASCII 29->81 dropped 83 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 31->83 dropped 47 conhost.exe 33->47         started        49 conhost.exe 33->49         started        51 timeout.exe 1 33->51         started        57 2 other processes 35->57 53 conhost.exe 37->53         started        55 conhost.exe 39->55         started        file9 signatures10 process11 process12 59 conhost.exe 41->59         started        61 conhost.exe 41->61         started        63 timeout.exe 41->63         started        65 conhost.exe 43->65         started        process13 67 conhost.exe 59->67         started        69 timeout.exe 59->69         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43ee89c14274dbfb7cc6c39fffcc59ffdc08c5581450928c7420570bd74bffbe/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-07-02 04:28:46 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ipxitqkcotn7w7ggyop77tcz77oarrkycrijfddueblqxv2l767a._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210702-syrfy8k15n/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Windows security modification
NanoCore
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
tzitziklishop.ddns.net:1665
Unpacked files
SH256 hash:
43ee89c14274dbfb7cc6c39fffcc59ffdc08c5581450928c7420570bd74bffbe
MD5 hash:
1601adf87809b57343a81396916b21ea
SHA1 hash:
dda83933b39f5b9628f0e7ae568ccf72332f271a
Link:
https://www.unpac.me/results/0a33edbb-4550-484a-aab3-34ab380d35e6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/43ee89c14274dbfb7cc6c39fffcc59ffdc08c5581450928c7420570bd74bffbe

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 43ee89c14274dbfb7cc6c39fffcc59ffdc08c5581450928c7420570bd74bffbe

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1414035/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/169327/

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