MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb18477393a3c4c69415149f289cc36823f5d0c1fa9026a0d8b03b69ccd17248. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb18477393a3c4c69415149f289cc36823f5d0c1fa9026a0d8b03b69ccd17248
SHA3-384 hash: 2a7f58faf95b8ce50e67719c2bd12e24fe2cd389a136919ff332330d11d7a9d0aa67cf71cf4c787d672aa602bd3eae1f
SHA1 hash: a965000814952f93c63907d4fb2f1a754fa544bf
MD5 hash: 3f3297d9f7a41d6b5a88523cb9bb0b9d
humanhash: william-beryllium-comet-butter
File name:3f3297d9f7a41d6b5a88523cb9bb0b9d.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:11'264 bytes
First seen:2021-10-02 07:33:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:q468AozmO3Nj4CpuDF9FtW+fQqMT0U2/JT0JN7Kae4a:/68AmZd8CsrInT0UUKN7Kg
Threatray 2'996 similar samples on MalwareBazaar
TLSH T14D322A41E3D85AB5E8654A73BC3753500A35F23ACCA38F1F1D99503EBDE231417A2B66
File icon (PE):PE icon
dhash icon 9ee5656565a5a585 (14 x NanoCore, 11 x XpertRAT, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3f3297d9f7a41d6b5a88523cb9bb0b9d.exe
Verdict:
Malicious activity
Analysis date:
2021-10-02 07:34:51 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/2303c59f-f5e3-44e4-b5de-5b290128e035

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/194155/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Creating a window
Connection attempt to an infection source
Sending a TCP request to an infection source
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Query of malicious DNS domain
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/320b5ffd-c6bc-40e9-8e06-a816bcfad1b7
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863128
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 495553 Sample: O3HrQCLthu.exe Startdate: 02/10/2021 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 10 other signatures 2->80 8 O3HrQCLthu.exe 15 7 2->8         started        13 dhcpmon.exe 2->13         started        15 O3HrQCLthu.exe 2->15         started        17 dhcpmon.exe 2->17         started        process3 dnsIp4 72 store2.gofile.io 31.14.69.10, 443, 49753, 49808 LINKER-ASFR Virgin Islands (BRITISH) 8->72 58 C:\Users\user\AppData\...\O3HrQCLthu.exe, PE32 8->58 dropped 60 C:\Users\...\O3HrQCLthu.exe:Zone.Identifier, ASCII 8->60 dropped 62 C:\Users\user\AppData\...\O3HrQCLthu.exe.log, ASCII 8->62 dropped 90 Writes to foreign memory regions 8->90 92 Allocates memory in foreign processes 8->92 94 Injects a PE file into a foreign processes 8->94 19 O3HrQCLthu.exe 8->19         started        24 powershell.exe 73 8->24         started        26 conhost.exe 8->26         started        64 C:\Users\user\AppData\Local\...\dhcpmon.exe, PE32 13->64 dropped 66 C:\Users\user\...\dhcpmon.exe:Zone.Identifier, ASCII 13->66 dropped 28 dhcpmon.exe 13->28         started        30 powershell.exe 13->30         started        32 conhost.exe 13->32         started        34 conhost.exe 15->34         started        36 conhost.exe 17->36         started        file5 signatures6 process7 dnsIp8 68 cloudhost.myfirewall.org 91.121.250.249, 5654 OVHFR France 19->68 50 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->50 dropped 52 C:\Users\user\AppData\Roaming\...\run.dat, data 19->52 dropped 54 C:\Users\user\AppData\Local\...\tmp139A.tmp, XML 19->54 dropped 56 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->56 dropped 82 Multi AV Scanner detection for dropped file 19->82 84 Machine Learning detection for dropped file 19->84 86 Uses schtasks.exe or at.exe to add and modify task schedules 19->86 88 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->88 38 schtasks.exe 19->38         started        40 schtasks.exe 19->40         started        70 twitter.com 104.244.42.193 TWITTERUS United States 24->70 42 conhost.exe 24->42         started        44 conhost.exe 30->44         started        file9 signatures10 process11 process12 46 conhost.exe 38->46         started        48 conhost.exe 40->48         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eb18477393a3c4c69415149f289cc36823f5d0c1fa9026a0d8b03b69ccd17248/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-10-01 18:08:00 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
437c9421ae36bc19198438f86b86a39de0d207449abef097eb9656743823c256
NanoCore
4d01d1b24f4f7487669486becc7ff8b43a126f56ffb3d8fcce8c66b200412475
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
a276b0d2aaf8a132ffbe9ae16763975bcf38fc1e5a6419890712fc3de02b793f
NanoCore
+ 2'986 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/211002-jdkd4aeahk/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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:
cloudhost.myfirewall.org:5654
Unpacked files
SH256 hash:
eb18477393a3c4c69415149f289cc36823f5d0c1fa9026a0d8b03b69ccd17248
MD5 hash:
3f3297d9f7a41d6b5a88523cb9bb0b9d
SHA1 hash:
a965000814952f93c63907d4fb2f1a754fa544bf
Link:
https://www.unpac.me/results/ca5f7887-4b50-480d-8427-dea7302efa52/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/eb18477393a3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/eb18477393a3c4c69415149f289cc36823f5d0c1fa9026a0d8b03b69ccd17248

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

NanoCore

Executable exe eb18477393a3c4c69415149f289cc36823f5d0c1fa9026a0d8b03b69ccd17248

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1649278/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1635441/
Cape
Cape
https://www.capesandbox.com/analysis/194155/

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