MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf. 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: d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf
SHA3-384 hash: e26037efeaf0c3cedc89c0d9a99d82f102314b0597a8e82c05cc5ffb696530c1f9a44fe2bc055f09b74229d09169d6a9
SHA1 hash: 5e74d0626ebd6fb8e107d805fdeb4344e3be2e23
MD5 hash: 9d7d570e9cc927746493f4110a32f71c
humanhash: music-finch-princess-mango
File name:New Order13082020.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'015'296 bytes
First seen:2020-08-13 14:42:56 UTC
Last seen:2020-08-13 15:54:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:7sRp0e+L6i1PDGpXfQp7DgEFNDekg5J+FuJ:7sRp0e+L6yPDQfQNVNDekgz+YJ
TLSH 4A2512E433E0C463C2699674E96284715BB7AC966403DB133894FBBD1DB33E122177EA
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: oliphaunt.gmikenma.com
Sending IP: 199.58.179.120
From: Sarah <cas@industralmail.com>
Reply-To: Sales <mmurhaf23@gmail.om>
Subject: Re: New Order
Attachment: New Order13082020.zip (contains "New Order13082020.exe")

NanoCore RAT C2:
mendey.duckdns.org:2332 (192.169.69.25)

Intelligence

File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45254/
Detection(s):
SecuriteInfo.com.Generic.mg.9d7d570e9cc92774.28668.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Sending a UDP request
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a file
Deleting a recently created file
DNS request
Connection attempt
Forced shutdown of a system process
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/426665
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
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
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 265984 Sample: New Order13082020.exe Startdate: 15/08/2020 Architecture: WINDOWS Score: 100 40 mendey.duckdns.org 2->40 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 10 other signatures 2->58 9 New Order13082020.exe 3 2->9         started        13 RegAsm.exe 2 2->13         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\RYTUFY.exe, PE32 9->36 dropped 38 C:\Users\user\...\RYTUFY.exe:Zone.Identifier, ASCII 9->38 dropped 60 Writes to foreign memory regions 9->60 62 Maps a DLL or memory area into another process 9->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->64 15 RegAsm.exe 8 9->15         started        20 New Order13082020.exe 9->20         started        22 conhost.exe 13->22         started        signatures6 process7 dnsIp8 42 mendey.duckdns.org 192.169.69.25, 2332, 49717, 49718 WOWUS United States 15->42 44 127.0.0.1 unknown unknown 15->44 32 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 15->32 dropped 34 C:\Users\user\AppData\Local\...\tmp8D26.tmp, XML 15->34 dropped 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->46 24 schtasks.exe 1 15->24         started        48 Writes to foreign memory regions 20->48 50 Maps a DLL or memory area into another process 20->50 26 RegAsm.exe 2 20->26         started        28 RegAsm.exe 20->28         started        file9 signatures10 process11 process12 30 conhost.exe 24->30         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 14:44:10 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3abb2ajqdycxwt2raf4vevcwooyislqh2vkgorp4cfm5oqdrn67q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore
Link:
https://tria.ge/reports/200813-3dvbb2tfsx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
mendey.duckdns.org:2332
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/d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf

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.

ac266df5699339e12d16c5a9f3941c7c

NanoCore

Executable exe d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf

(this sample)

  
Dropped by
MD5 ac266df5699339e12d16c5a9f3941c7c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45254/

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