MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3635e7428a16515d98ec564145b363802dfa54418ac6221a638651732af4e2b. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
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SHA256 hash: d3635e7428a16515d98ec564145b363802dfa54418ac6221a638651732af4e2b
SHA3-384 hash: 40f70ec1d3e7ecc250bd5d3dd3e6a6220fb485e7eae3ef7fec6426b4dbb816525a039b8e5f335fd0c8f1377839234c33
SHA1 hash: 7c0d1d97a36fa8604878f98bb55cffc9707171de
MD5 hash: 3b17aa91d84b96c1712f3106e958db03
humanhash: india-quiet-snake-berlin
File name:#RFQ SAMPLE PRODUCTS09062021.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'814'528 bytes
First seen:2021-09-06 03:16:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:lk0KYIQ04BEO12pEJ3LDDV8rwcnu7Bg0+LwSICqQW8BBio98P:zbIQ004pEJ3vDCnuFwLwSI0LQo98
Threatray 2'900 similar samples on MalwareBazaar
TLSH T14685F72157924F48E1B1FB3A15A8720D3BF4F5EBAB718F49D7070AD604731809A7EA2D
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
486
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
#RFQ SAMPLE PRODUCTS09062021.exe
Verdict:
Malicious activity
Analysis date:
2021-09-06 03:19:19 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/a7511534-517e-408e-ad10-70ed62d6476c

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/185494/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29557adf-67d1-4fd9-ae51-cdf4ed4206fe
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/845670
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected Nanocore Rat
Drops PE files with benign system names
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: System File Execution Location Anomaly
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 478101 Sample: #RFQ SAMPLE PRODUCTS09062021.exe Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 68 dedicatedlambo9.ddns.net 2->68 86 Multi AV Scanner detection for domain / URL 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 8 other signatures 2->92 9 #RFQ SAMPLE PRODUCTS09062021.exe 15 7 2->9         started        14 dhcpmon.exe 2->14         started        signatures3 process4 dnsIp5 70 www.google.com 172.217.168.68, 443, 49701, 49709 GOOGLEUS United States 9->70 72 192.168.2.1 unknown unknown 9->72 54 C:\Users\user\AppData\Roaming\MAINPROC.exe, PE32 9->54 dropped 56 C:\Users\user\AppData\...\InstallUtil.exe, PE32 9->56 dropped 58 C:\Users\...\MAINPROC.exe:Zone.Identifier, ASCII 9->58 dropped 60 C:\...\#RFQ SAMPLE PRODUCTS09062021.exe.log, ASCII 9->60 dropped 94 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->94 16 MAINPROC.exe 14 5 9->16         started        21 cmd.exe 1 9->21         started        23 conhost.exe 14->23         started        file6 signatures7 process8 dnsIp9 66 www.google.com 16->66 52 C:\Users\user\AppData\Local\Temp\SMSS.exe, PE32 16->52 dropped 78 Multi AV Scanner detection for dropped file 16->78 80 Machine Learning detection for dropped file 16->80 82 Writes to foreign memory regions 16->82 84 4 other signatures 16->84 25 InstallUtil.exe 1 11 16->25         started        30 SMSS.exe 2 16->30         started        32 SMSS.exe 16->32         started        38 6 other processes 16->38 34 reg.exe 1 1 21->34         started        36 conhost.exe 21->36         started        file10 signatures11 process12 dnsIp13 74 185.140.53.253, 1604, 49713, 49714 DAVID_CRAIGGG Sweden 25->74 76 dedicatedlambo9.ddns.net 84.38.133.182, 1604, 49718, 49724 DATACLUB-NL Latvia 25->76 62 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 25->62 dropped 64 C:\Program Files (x86)\...\dhcpmon.exe, PE32 25->64 dropped 96 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->96 98 Multi AV Scanner detection for dropped file 30->98 40 SMSS.exe 30->40         started        42 SMSS.exe 32->42         started        100 Creates an undocumented autostart registry key 34->100 44 SMSS.exe 38->44         started        46 SMSS.exe 38->46         started        48 SMSS.exe 38->48         started        50 2 other processes 38->50 file14 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d3635e7428a16515d98ec564145b363802dfa54418ac6221a638651732af4e2b/
Threat name:
ByteCode-MSIL.Ransomware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-09-05 23:59:35 UTC
AV detection:
8 of 43 (18.60%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2nrv45biufsrlwmoyvsbiwzwhabn7jkedcwgeinghbsromvpjyvq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0a3a85fd6964b0cf1b61e41cc7c117ada4c8607a0107ad4921dafa69933ef0ac
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5d1c8eb7795ec2c5bfc7d1bca5f3b23887d1e264554d55f1c98858033a32973f
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69fa6ebff614598a1243cb00bc9a7c69e60fca3c3fd93da4157c418d202f1542
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9327c22d332141a7ee037b2d393e0ad352a2fc4f6dc9b7cf9c78155d70681e6b
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b7ef9f5137720932895dbc0e1231e71451eace1e82f2baac3e208c969ec1e966
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d0463fb25850862038c09fd48cd298ead378c6b19c3d1fa64ce6dc6280946bfd
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d6a8535e674dda41d9b294844be9c27b8af80831044d61354f77b50497b28fde
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dc1f93435a858fed72eee637cb23ad024ba309ec030dfa53f2495cb16776ccfd
NanoCore
+ 2'890 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore agilenet evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210906-ds2zsshhe9/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Modifies WinLogon for persistence
NanoCore
Malware Config
C2 Extraction:
185.140.53.253:1604
dedicatedlambo9.ddns.net:1604
Unpacked files
SH256 hash:
d3635e7428a16515d98ec564145b363802dfa54418ac6221a638651732af4e2b
MD5 hash:
3b17aa91d84b96c1712f3106e958db03
SHA1 hash:
7c0d1d97a36fa8604878f98bb55cffc9707171de
Link:
https://www.unpac.me/results/1d568720-38a1-44c3-bf93-7485c0c7684f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/d3635e7428a16515d98ec564145b363802dfa54418ac6221a638651732af4e2b

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
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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.

Malspam

NanoCore

Executable exe d3635e7428a16515d98ec564145b363802dfa54418ac6221a638651732af4e2b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/185494/

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