MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c9ac73de149a9df1d58572db60bfa8824470f11c109ea55b91aada0d6c8a2a6. 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 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c9ac73de149a9df1d58572db60bfa8824470f11c109ea55b91aada0d6c8a2a6
SHA3-384 hash: ed1c313ae15a54555ce9464eda96cd0f26f4fe5df023e742ebe6fdedb422e71f6774d838d37def63794bf999b48646cd
SHA1 hash: 76c43420e43187d44d43712aad674f4c41c162c6
MD5 hash: d24f7996ec1820af0cefa17fa21b961b
humanhash: ohio-virginia-artist-purple
File name:d24f7996ec1820af0cefa17fa21b961b.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'041'198 bytes
First seen:2020-07-30 07:13:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdt/BJuxoxjLQ5N6tUCvZReczwFQYc22I3Tl2lP:z5b/BJBM8UCDeczw6W2SmP
Threatray 1'327 similar samples on MalwareBazaar
TLSH D9251212B6D244B2E673183A4A36F715A97CBD701F24CF5F63C41DBE9A32181A225B73
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
smithcity123.ddns.net:57689 (105.112.101.73)

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35331/
Detection(s):
Win.Dropper.NetWire-9102409-0
Create hunting rule

PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Launching a process
Creating a file in the %AppData% subdirectories
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/403238
Signature
.NET source code contains potential unpacker
Connects to many ports of the same IP (likely port scanning)
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)
Malicious sample detected (through community Yara rule)
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
Yara detected AntiVM autoit script
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253848 Sample: FXlRSXcN37.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 45 smithcity123.ddns.net 2->45 47 g.msn.com 2->47 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 8 other signatures 2->61 10 FXlRSXcN37.exe 41 2->10         started        14 RegSvcs.exe 2 2->14         started        16 vaevkufnfe.pif 1 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 39 C:\Users\user\AppData\...\vaevkufnfe.pif, PE32 10->39 dropped 63 Drops PE files with a suspicious file extension 10->63 20 vaevkufnfe.pif 1 2 10->20         started        22 conhost.exe 14->22         started        24 RegSvcs.exe 2 16->24         started        26 RegSvcs.exe 18->26         started        28 RegSvcs.exe 18->28         started        signatures6 process7 process8 30 RegSvcs.exe 8 20->30         started        dnsIp9 49 smithcity123.ddns.net 185.165.153.124, 49738, 49739, 49743 DAVID_CRAIGGG Netherlands 30->49 41 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 30->41 dropped 43 C:\Users\user\AppData\Local\...\tmp31FB.tmp, XML 30->43 dropped 51 Protects its processes via BreakOnTermination flag 30->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->53 35 schtasks.exe 1 30->35         started        file10 signatures11 process12 process13 37 conhost.exe 35->37         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1c9ac73de149a9df1d58572db60bfa8824470f11c109ea55b91aada0d6c8a2a6/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 23:15:02 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dsnmoppbjgu56hkyk4w3mc72raseodyryee6uvnzdkw2bvwiukta._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
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NanoCore
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42dd002c14d21a1330c2177097116256398071ba2118c22891a070f2a91f393d
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69f0daa863cb586a1e2b00b6335bc69f7f06615b44b2f81bb5445d6912f6a80e
NanoCore
705ac92d4e8679e22d491eff0fb7dcfca963090dd6e91e25edfe4004b39fd28a
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a1f943a87781b0cb1531b41cbad0d7db10de07e92e4a15bb5ac4c93924fb5ba5
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b40b7bfd1fa04e5b9cc6dfc143c49fce45a9d1c1c7cb4e0726030e97d321937a
NanoCore
c0722d0e58ef57301d0883dcddf27c8eed901c9a01b186e6b400c48f7ff6a832
NanoCore
c67fe1304d6455bcae5c07b3f7fece584628b05d286b68da6e85275f7695b2aa
NanoCore
e13913aa4153b0a0fcc5951f9b9502496471ef63cb98b110da3b15dddac64600
NanoCore
+ 1'317 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:nanocore evasion
Link:
https://tria.ge/reports/200730-tjdqjf28zj/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
smithcity123.ddns.net:57689
185.165.153.124:57689
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
netwire
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1c9ac73de149a9df1d58572db60bfa8824470f11c109ea55b91aada0d6c8a2a6

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_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.

Cape
Cape
https://www.capesandbox.com/analysis/35331/

Comments