MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9449f07a9754c1f23bfc00fb792087c56a38cdce93477f306e6bfe4ce7c11ea. 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: 12


Intelligence 12 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d9449f07a9754c1f23bfc00fb792087c56a38cdce93477f306e6bfe4ce7c11ea
SHA3-384 hash: d19ba5fd82007ab31e229a86d5e37426731a59afdb8f5b6a575ceda0ffbbb3494b5620bc4557a1dee1fb072593b8414c
SHA1 hash: 2ebd147370ed59bc24ea2908859f6f67582c6ee2
MD5 hash: fb975db7117edc15c552153e24fdca75
humanhash: mike-alanine-yankee-west
File name:FB975DB7117EDC15C552153E24FDCA75.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:331'216 bytes
First seen:2021-03-30 03:55:42 UTC
Last seen:2021-03-30 04:44:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:LPKyLLkrpcNmrv1Nf8CO0rBu3vTDNIcI9UhLyVX1imfkKBAw:G3reNOv1N8CflwLJI2+t95
Threatray 1'956 similar samples on MalwareBazaar
TLSH FA6423010ED26877D8579A72157DCA7AC0B6E7390474CAE323E5AD768B32304FA5F183
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
213.208.152.210:7688

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
213.208.152.210:7688 https://threatfox.abuse.ch/ioc/5958/

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FB975DB7117EDC15C552153E24FDCA75.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 03:58:47 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/063cabe4-cd9c-4672-994b-ea2ad7d04267

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/127871/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.9074.22345.32093.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file
Launching a process
Deleting a recently created file
DNS request
Sending a UDP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Enabling autorun by creating a file
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/263e8634-2a03-41bb-989a-269600e8afa7
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/657904
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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)
Maps a DLL or memory area into another process
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 377882 Sample: Uv8hwOAKgm.exe Startdate: 30/03/2021 Architecture: WINDOWS Score: 100 58 chinomso.duckdns.org 2->58 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Multi AV Scanner detection for domain / URL 2->64 66 Found malware configuration 2->66 68 14 other signatures 2->68 9 Uv8hwOAKgm.exe 11 2->9         started        13 Uv8hwOAKgm.exe 11 2->13         started        15 dhcpmon.exe 11 2->15         started        17 dhcpmon.exe 11 2->17         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\j63rsim2i2ixmh5.dll, PE32 9->50 dropped 72 Detected unpacking (changes PE section rights) 9->72 74 Detected unpacking (creates a PE file in dynamic memory) 9->74 76 Detected unpacking (overwrites its own PE header) 9->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 9->78 19 Uv8hwOAKgm.exe 1 16 9->19         started        52 C:\Users\user\AppData\...\j63rsim2i2ixmh5.dll, PE32 13->52 dropped 80 Maps a DLL or memory area into another process 13->80 24 Uv8hwOAKgm.exe 3 13->24         started        54 C:\Users\user\AppData\...\j63rsim2i2ixmh5.dll, PE32 15->54 dropped 26 dhcpmon.exe 3 15->26         started        56 C:\Users\user\AppData\...\j63rsim2i2ixmh5.dll, PE32 17->56 dropped 28 dhcpmon.exe 2 17->28         started        signatures6 process7 dnsIp8 60 chinomso.duckdns.org 213.208.152.210, 49732, 49737, 49741 NEXTLAYER-ASAT Austria 19->60 38 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->38 dropped 40 C:\Users\user\AppData\Roaming\...\run.dat, data 19->40 dropped 42 C:\Users\user\AppData\Local\...\tmpA509.tmp, XML 19->42 dropped 44 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->44 dropped 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->70 30 schtasks.exe 1 19->30         started        32 schtasks.exe 1 19->32         started        46 C:\Users\user\AppData\...\Uv8hwOAKgm.exe.log, ASCII 24->46 dropped 48 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 26->48 dropped file9 signatures10 process11 process12 34 conhost.exe 30->34         started        36 conhost.exe 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d9449f07a9754c1f23bfc00fb792087c56a38cdce93477f306e6bfe4ce7c11ea/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-16 21:49:00 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3fcj6b5jovgb6i57yah3peqiprlkhdg45e2hp4yg4276jtt4chva._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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f3ac633354efc183e1705dd9e042d39b62208735f6f9e83534fb21c9f32b5d70
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fbdbd6b6c6cd7a2b07d771d9969e53689f3601bbf7355ee49138b07511b88df7
NanoCore
+ 1'946 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/210330-g7pn3xlhxn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
chinomso.duckdns.org:7688
Unpacked files
SH256 hash:
d9449f07a9754c1f23bfc00fb792087c56a38cdce93477f306e6bfe4ce7c11ea
MD5 hash:
fb975db7117edc15c552153e24fdca75
SHA1 hash:
2ebd147370ed59bc24ea2908859f6f67582c6ee2
Link:
https://www.unpac.me/results/15f95392-5043-4a71-9d02-7bbb091883ac/
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/d9449f07a9754c1f23bfc00fb792087c56a38cdce93477f306e6bfe4ce7c11ea

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
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: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/127871/

Comments