MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed. 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: e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
SHA3-384 hash: eeda3acae556b866e04e0b2c215c5798e558ca63e4a82ede51f77ca7988005421f13b383f9b32279f307debee9225470
SHA1 hash: dda2720a5b3c508c7d335ef8d7e1e53fd14a6d38
MD5 hash: 8ce612205b8d0f4ba36d9ce5c310f0e6
humanhash: eleven-early-ten-uranus
File name:Bank_Transfer_8312020,pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:900'608 bytes
First seen:2020-08-31 12:56:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:BdNa7jn68acnHPWKhOBL1y+gL9U6DzpT4SHtjX:Be689nvugLRDzuwjX
Threatray 1'093 similar samples on MalwareBazaar
TLSH 3E15BE521319871FD81B76F4B84CC498A1B23ECFEB34E288EF477D5E946720E619E186
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: web72.smartstrategies.gr
Sending IP: 88.99.208.204
From: Mahendra Khadayate <mkhadayate@timetechnoplast.com>
Subject: Payment Ref
Attachment: Bank_Transfer_8312020,pdf.zip (contains "Bank_Transfer_8312020,pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53535/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455462
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 280106 Sample: Bank_Transfer_8312020,pdf.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 40 billionaire.ddns.net 2->40 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 13 other signatures 2->52 9 Bank_Transfer_8312020,pdf.exe 7 2->9         started        13 MSBuild.exe 2 2->13         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\rAXLBzKTvjF.exe, PE32 9->32 dropped 34 C:\Users\...\rAXLBzKTvjF.exe:Zone.Identifier, ASCII 9->34 dropped 36 C:\Users\user\AppData\Local\...\tmpC63D.tmp, XML 9->36 dropped 38 C:\...\Bank_Transfer_8312020,pdf.exe.log, ASCII 9->38 dropped 54 Writes to foreign memory regions 9->54 56 Allocates memory in foreign processes 9->56 58 Injects a PE file into a foreign processes 9->58 15 MSBuild.exe 8 9->15         started        20 schtasks.exe 1 9->20         started        22 conhost.exe 13->22         started        signatures6 process7 dnsIp8 42 billionaire.ddns.net 79.134.225.122, 3734, 49713, 49714 FINK-TELECOM-SERVICESCH Switzerland 15->42 30 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 15->30 dropped 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->44 24 schtasks.exe 1 15->24         started        26 conhost.exe 20->26         started        file9 signatures10 process11 process12 28 conhost.exe 24->28         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:12:39 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4kpj3g7lltubq7pm6a4m3qfr2micwth6inyvuo2psnajrkkd5pwq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'083 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore
Link:
https://tria.ge/reports/200831-frm5aanaxa/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
billionaire.ddns.net:3734
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed

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.

Malspam

NanoCore

zip f1f56fcaf231eba3ae5b6d0ae76f9e47713ff743daa96a19cf8c6e5e58fda407

NanoCore

Executable exe e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed

(this sample)

  
Dropped by
MD5 aac677a5f4a97e0b2d63243c129cfea0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53535/
  
Dropped by
SHA256 f1f56fcaf231eba3ae5b6d0ae76f9e47713ff743daa96a19cf8c6e5e58fda407

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