MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d12a70b8a6d3ffadc322706397e3bf624ffe8b1917b566686997f4012db0fff7. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d12a70b8a6d3ffadc322706397e3bf624ffe8b1917b566686997f4012db0fff7
SHA3-384 hash: d8f78a0e02091e533be80d0777c6b292dcc8bec7d946bd4e115a080f1c4166875f1e34e5b926b77590a7ae45ac302612
SHA1 hash: ce625c71e68838106fd953026efbe272f8dec5d4
MD5 hash: 91f274df50d6d16e336ca40e000062c2
humanhash: berlin-hawaii-mobile-north
File name:Order 40180994000 - Your PO RR200620.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:3'053'056 bytes
First seen:2020-07-17 17:28:28 UTC
Last seen:2020-07-17 18:47:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:7ix1LOiak6wJaU7wOPVo1D4vfv7tiKtCDaoL6Y2DTWvgspS2uchkkW:7iGiaaJD7l9jzcKtiLZusgs3u+S
Threatray 8 similar samples on MalwareBazaar
TLSH 31E5D0B79E4891CECC9B9EB8C4820B70C987ED85F5E99207C2123F25F6367A1D985077
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: slot0.account-alert.pw
Sending IP: 104.168.236.11
From: Glory Anderson <parishoffice@sthelenaparish.org>
Subject: 401809940/00 - Your PO: RR200620
Attachment: Order 40180994000 - Your PO RR200620.img (contains "Order 40180994000 - Your PO RR200620.exe")

NanoCore payload URL:
http://cobhamplasteringservices.co.uk/audiosys.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27525/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.14635.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389194
Signature
.NET source code contains potential unpacker
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
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
Sleep loop found (likely to delay execution)
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: 246791 Sample: Order 40180994000 - Your PO... Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 57 ukeme.duckdns.org 2->57 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Multi AV Scanner detection for domain / URL 2->83 85 Found malware configuration 2->85 87 14 other signatures 2->87 10 Order 40180994000 - Your PO RR200620.exe 15 8 2->10         started        15 audiosys.exe 2->15         started        signatures3 process4 dnsIp5 63 cobhamplasteringservices.co.uk 95.131.65.73, 49735, 80 GD-EMEA-DC-LD5GB United Kingdom 10->63 47 C:\Users\user\AppData\...\YjfVKUerSqw.exe, PE32 10->47 dropped 49 C:\Users\user\AppData\Local\...\audiosys.exe, PE32 10->49 dropped 51 C:\Users\...\YjfVKUerSqw.exe:Zone.Identifier, ASCII 10->51 dropped 53 2 other malicious files 10->53 dropped 89 Injects a PE file into a foreign processes 10->89 17 audiosys.exe 6 10->17         started        21 Order 40180994000 - Your PO RR200620.exe 1 10->21         started        24 schtasks.exe 1 10->24         started        26 Order 40180994000 - Your PO RR200620.exe 10->26         started        28 audiosys.exe 15->28         started        file6 signatures7 process8 dnsIp9 45 C:\Users\user\AppData\...\mZtpUGulCG.exe, PE32 17->45 dropped 71 Multi AV Scanner detection for dropped file 17->71 73 Machine Learning detection for dropped file 17->73 75 Injects a PE file into a foreign processes 17->75 30 audiosys.exe 10 17->30         started        35 schtasks.exe 1 17->35         started        59 ufok.duckdns.org 192.169.69.25, 24980, 25980, 49737 WOWUS United States 21->59 61 ukeme.duckdns.org 21->61 77 Sleep loop found (likely to delay execution) 21->77 79 Hides threads from debuggers 21->79 37 conhost.exe 24->37         started        file10 signatures11 process12 dnsIp13 65 63.209.33.1, 24980 AS-CHOOPAUS United States 30->65 67 ufok.duckdns.org 30->67 55 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 30->55 dropped 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->69 39 schtasks.exe 30->39         started        41 conhost.exe 35->41         started        file14 signatures15 process16 process17 43 conhost.exe 39->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d12a70b8a6d3ffadc322706397e3bf624ffe8b1917b566686997f4012db0fff7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-17 17:30:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2evhbofg2p723qzcobrzpy57mjh75cyzc62wm2djs72aclnq773q._file
Verdict:
unknown
Similar samples:
2b6160a9720ed2cf3b818dafc81e4f092111d4df2e0db161b994b39a5ceb78f3
NanoCore
434ea880ad59cffded73a776f3a01a75e6afef21fc6dca45b364fd3f0ba54de3
NanoCore
8bb5235e01056ce0d340a3042095fd29cb416e8f6a8843e3db9d547177fa1313
NanoCore
9dbd3d33f93d61659ba4cf9213ed43b694f091bd08ba634595f68576f0881fcf
NanoCore
ae56d57584819808e38b6b430dd066a14cc036cec568a0832de08e3f65bccc87
NanoCore
ccaedac7e0d5d4a655d37d59fb12bfb920785e9c8d0b811dc6ab88d3e1ca6ea0
NanoCore
d701dbbe5d989ef6ec473fbf061f93291ad3bf8c78796fd55afca9b5ba18872c
NanoCore
f86974cc3a2a1d06dcc4effe66d6e27380dd4e4e4fe254a1b88a3ea3c7e681c4
NanoCore
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200717-f4f48wbvle/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d12a70b8a6d3ffadc322706397e3bf624ffe8b1917b566686997f4012db0fff7

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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

File information

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

Malspam

NanoCore

img 198c839c07f637c64339fed8d43ca8570e55ee686dde319aa9836dcc3dca459c

NanoCore

Executable exe d12a70b8a6d3ffadc322706397e3bf624ffe8b1917b566686997f4012db0fff7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/414143/
  
Dropped by
MD5 3c7ef89737bfdb4ab0b317459bb1c51d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/27525/
  
Dropped by
SHA256 198c839c07f637c64339fed8d43ca8570e55ee686dde319aa9836dcc3dca459c

Comments