MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 175bdb11453e65abc7c2d64a37b69d0bea771353c4eefbaa0d3ffb649292e2fc. 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: 175bdb11453e65abc7c2d64a37b69d0bea771353c4eefbaa0d3ffb649292e2fc
SHA3-384 hash: 9cccc2a7635dd5ca2925aa5d93920c82ba712b4d40e0c52725e7be5cf525688a0572f2937f383347461b4e76da510a8f
SHA1 hash: ef75269e734a6dad565bbb0ed641be9708b79268
MD5 hash: 43a5a2a7dd5c02578528710c12b23f5d
humanhash: diet-missouri-oranges-princess
File name:43a5a2a7dd5c02578528710c12b23f5d.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:750'080 bytes
First seen:2020-07-29 07:38:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep 12288:bRXtpnVH9Az44BnvOCDhzcl0UdKndi2bnXwswWikyrIT2VU:bfd8z4byilBdlGXpwHkyHVU
Threatray 2'614 similar samples on MalwareBazaar
TLSH C3F49E66B2E14832D1672E389C1B57649F3ABE003A38DD452FFC1C8C5F3979139662A7
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
NanoCore RAT C2:
godisgood.hopto.org:2177 (185.165.153.30)

Pointing to nVpn:

% Information related to '185.165.153.0 - 185.165.153.255'

% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacyfirst.sh'

inetnum: 185.165.153.0 - 185.165.153.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU2
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2020-07-28T20:37:37Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34517/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Trojan.PWS.Stealer.19347.10936.15784.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Deleting a recently created file
Sending a custom TCP request
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
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401823
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates files in alternative data streams (ADS)
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)
Drops VBS files to the startup folder
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
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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 signatures2 2 Behavior Graph ID: 253209 Sample: aiHdF27wM4.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 104 Found malware configuration 2->104 106 Malicious sample detected (through community Yara rule) 2->106 108 Sigma detected: Scheduled temp file as task from temp location 2->108 110 8 other signatures 2->110 10 aiHdF27wM4.exe 2->10         started        13 dhcpmon.exe 2->13         started        15 dhcpmon.exe 2->15         started        17 2 other processes 2->17 process3 signatures4 120 Contains functionality to inject code into remote processes 10->120 122 Writes to foreign memory regions 10->122 124 Allocates memory in foreign processes 10->124 128 2 other signatures 10->128 19 notepad.exe 5 10->19         started        23 notepad.exe 2 13->23         started        25 notepad.exe 15->25         started        126 Maps a DLL or memory area into another process 17->126 27 drryhunbgb.exe 17->27         started        29 drryhunbgb.exe 17->29         started        31 drryhunbgb.exe 3 17->31         started        process5 file6 76 C:\Users\user\AppData\...\drryhunbgb.exe, PE32 19->76 dropped 78 C:\Users\...\drryhunbgb.exe:Zone.Identifier, ASCII 19->78 dropped 114 Creates files in alternative data streams (ADS) 19->114 116 Drops VBS files to the startup folder 19->116 33 drryhunbgb.exe 19->33         started        36 drryhunbgb.exe 23->36         started        80 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 25->80 dropped 38 drryhunbgb.exe 25->38         started        40 drryhunbgb.exe 27->40         started        118 Maps a DLL or memory area into another process 29->118 42 drryhunbgb.exe 29->42         started        82 C:\Users\user\AppData\...\drryhunbgb.exe.log, ASCII 31->82 dropped signatures7 process8 signatures9 94 Detected unpacking (changes PE section rights) 33->94 96 Detected unpacking (creates a PE file in dynamic memory) 33->96 98 Detected unpacking (overwrites its own PE header) 33->98 102 2 other signatures 33->102 44 drryhunbgb.exe 1 15 33->44         started        49 drryhunbgb.exe 33->49         started        100 Maps a DLL or memory area into another process 36->100 51 drryhunbgb.exe 36->51         started        53 drryhunbgb.exe 2 36->53         started        55 drryhunbgb.exe 38->55         started        57 drryhunbgb.exe 38->57         started        59 drryhunbgb.exe 40->59         started        61 drryhunbgb.exe 40->61         started        process10 dnsIp11 92 godisgood.hopto.org 185.165.153.30, 2177, 49713, 49714 DAVID_CRAIGGG Netherlands 44->92 84 C:\Program Files (x86)\...\dhcpmon.exe, PE32 44->84 dropped 86 C:\Users\user\AppData\Roaming\...\run.dat, data 44->86 dropped 88 C:\Users\user\AppData\Local\...\tmpD23B.tmp, XML 44->88 dropped 90 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 44->90 dropped 130 Hides that the sample has been downloaded from the Internet (zone.identifier) 44->130 63 schtasks.exe 1 44->63         started        65 schtasks.exe 1 44->65         started        67 drryhunbgb.exe 51->67         started        file12 signatures13 process14 signatures15 70 conhost.exe 63->70         started        72 conhost.exe 65->72         started        112 Maps a DLL or memory area into another process 67->112 74 drryhunbgb.exe 67->74         started        process16
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/175bdb11453e65abc7c2d64a37b69d0bea771353c4eefbaa0d3ffb649292e2fc/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 01:09:00 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c5n5wekfhzs2xr6c2zfdpnu5bpvhoe2tytxpxkqnh75wjeus4l6a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
Similar samples:
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NanoCore
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be991fbee477b265767ac176f6e0c35de51c9616d58a4e72b1b2929d292fe0c1
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d19e690275e1eec487544552366accd109567893c79b3634cef31515b9a0a19b
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d53439692180d901981bcff18c2d0db8b349a8f4118c5682943c5dd22678af94
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da8f7980c887ac05dd4c2e53c50c17bebe208be1758d6b7879144efb53d5a963
NanoCore
+ 2'604 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
upx keylogger trojan stealer spyware family:nanocore persistence evasion
Link:
https://tria.ge/reports/200729-kz8pnv5l82/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Creates scheduled task(s)
NTFS ADS
Suspicious behavior: GetForegroundWindowSpam
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Executes dropped EXE
UPX packed file
NanoCore
Malware Config
C2 Extraction:
godisgood.hopto.org:2177
185.165.153.30:2177
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/175bdb11453e65abc7c2d64a37b69d0bea771353c4eefbaa0d3ffb649292e2fc

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.

Web download

NanoCore

Executable exe 175bdb11453e65abc7c2d64a37b69d0bea771353c4eefbaa0d3ffb649292e2fc

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/34517/
  
URLhaus
https://urlhaus.abuse.ch/url/410909/
  
Delivery method
Distributed via web download

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