MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e526eb649ee6c8fe974afbd1fcd3ed6a8e27d6fb27b3ba96185d8ab0d8327b42. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e526eb649ee6c8fe974afbd1fcd3ed6a8e27d6fb27b3ba96185d8ab0d8327b42
SHA3-384 hash: 769c2eb34f8542e5f47789832b6f319d688ca2d52dbb707d4906052df5f18a4afce53b2f1fe7da5855936fc99dc75ed7
SHA1 hash: 287f44407fc1495b9a41262d82c6d8ef9e08e4f7
MD5 hash: 6d5aa4c20470b9cb865a8e2feacda571
humanhash: alanine-hotel-eighteen-paris
File name:CEsezvn5.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'360 bytes
First seen:2020-09-15 13:02:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:wLV6Bta6dtJmakIM5fH6gBY3GP5yY3qBj:wLV6Btpmkiu3GxyY3U
Threatray 1'068 similar samples on MalwareBazaar
TLSH D514CF1677B88A2FE2CE86B9711211139379C2E3A9C3F3DF18D855B64B663E50A071D3
Reporter pmelson
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/60539/
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/466574
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses dynamic DNS services
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e526eb649ee6c8fe974afbd1fcd3ed6a8e27d6fb27b3ba96185d8ab0d8327b42/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-09-11 16:45:02 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4utowze643ep5f2k7pi7zu7nnkhcpvx3e6z3vfqylwflbwbspnba._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
266c0f3b1cf78040080fce2037544112b77d23b25753c714d6390c2f705a3c34
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5d37ea9d96ae208d4df3961643780b97016cf055128483ae287ad86616cbea45
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
83b70b20d0cdb13e9c420723ba5f025827d21e0c051c6e64b5553a5c372c3374
NanoCore
9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
NanoCore
9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
NanoCore
ddf157853be3dbebba9eea0db9815017a0c7d8dded210a5c291d7b0ccd2fd2be
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
ed6ea055c622adab41b5eba73b4d556c4c843b9e77e21933297ca0ce972ce5c4
NanoCore
+ 1'058 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore
Link:
https://tria.ge/reports/200915-cays51segs/
Behaviour
Nanocore family
Malware Config
C2 Extraction:
getmoney3004.duckdns.org:3615
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e526eb649ee6c8fe974afbd1fcd3ed6a8e27d6fb27b3ba96185d8ab0d8327b42

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.

Web download

NanoCore

Executable exe e526eb649ee6c8fe974afbd1fcd3ed6a8e27d6fb27b3ba96185d8ab0d8327b42

(this sample)

  
Link
https://www.virustotal.com/gui/file/e526eb649ee6c8fe974afbd1fcd3ed6a8e27d6fb27b3ba96185d8ab0d8327b42/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/60539/

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