MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3fbea67457f23da959bc5bbb0f90d577e2d3b77c7b364613b1362182364634e. 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: a3fbea67457f23da959bc5bbb0f90d577e2d3b77c7b364613b1362182364634e
SHA3-384 hash: 3051f807ec36e7c4cbd27f148379efcbccbc421c41d407f8090155c6ff9818f2efcbf6fa96f8d02950eca379e8ae8246
SHA1 hash: e73889bca8a134b38b7e29a2d651ccbea27bbcdf
MD5 hash: a7009679dac83e4620ab07450eb49ad7
humanhash: black-india-jupiter-east
File name:a7009679dac83e4620ab07450eb49ad7.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:851'456 bytes
First seen:2020-08-05 15:55:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6f6a6c4d7e3c496aeb050e49f17c295e (6 x MassLogger, 5 x Loki, 4 x AgentTesla)
ssdeep 12288:9cE9+ysRKpnYn0uCYQvSXxJ9P9cz6ku52zNC617ZCMys+OiI3W9wBq0HDRnP6Kn:93+RcOn0TC3moKh7CMysrb3W+jpFn
Threatray 2'625 similar samples on MalwareBazaar
TLSH 3405AE22E29044F7C07316788C5F93B7AC37BD106924A8C62BF55F4C5E396A1793A2B7
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
NanoCore RAT C2s:
godisgood1.hopto.org:7712 (105.112.101.125)
185.244.30.14:7712

Hosted on nVpn:

% Information related to '185.244.30.0 - 185.244.30.255'

% Abuse contact for '185.244.30.0 - 185.244.30.255' is 'abuse@privacyfirst.sh'

inetnum: 185.244.30.0 - 185.244.30.255
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-EU4
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-29T14:10:27Z
last-modified: 2020-07-28T21:04:34Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39794/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

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

SecuriteInfo.com.Variant.Strictor.247961.5681.1845.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
Sending a UDP request
Deleting a recently created file
DNS request
Connection attempt
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
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/411598
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)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 258097 Sample: BDH9YAC4aQ.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 114 Found malware configuration 2->114 116 Malicious sample detected (through community Yara rule) 2->116 118 Sigma detected: Scheduled temp file as task from temp location 2->118 120 6 other signatures 2->120 10 BDH9YAC4aQ.exe 2->10         started        13 dhcpmon.exe 2->13         started        15 dhcpmon.exe 2->15         started        17 2 other processes 2->17 process3 signatures4 132 Contains functionality to inject code into remote processes 10->132 134 Writes to foreign memory regions 10->134 136 Allocates memory in foreign processes 10->136 140 2 other signatures 10->140 19 notepad.exe 5 10->19         started        23 notepad.exe 13->23         started        25 notepad.exe 2 15->25         started        138 Maps a DLL or memory area into another process 17->138 27 gfgjiftujh.exe 17->27         started        29 gfgjiftujh.exe 17->29         started        31 gfgjiftujh.exe 3 17->31         started        process5 file6 82 C:\Users\user\AppData\...\gfgjiftujh.exe, PE32 19->82 dropped 84 C:\Users\...\gfgjiftujh.exe:Zone.Identifier, ASCII 19->84 dropped 122 Creates files in alternative data streams (ADS) 19->122 124 Drops VBS files to the startup folder 19->124 33 gfgjiftujh.exe 19->33         started        86 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 23->86 dropped 36 gfgjiftujh.exe 23->36         started        38 gfgjiftujh.exe 25->38         started        40 gfgjiftujh.exe 27->40         started        126 Maps a DLL or memory area into another process 29->126 42 gfgjiftujh.exe 29->42         started        44 gfgjiftujh.exe 29->44         started        88 C:\Users\user\AppData\...\gfgjiftujh.exe.log, ASCII 31->88 dropped signatures7 process8 signatures9 104 Detected unpacking (changes PE section rights) 33->104 106 Detected unpacking (creates a PE file in dynamic memory) 33->106 108 Detected unpacking (overwrites its own PE header) 33->108 110 Contains functionality to detect sleep reduction / modifications 33->110 46 gfgjiftujh.exe 1 15 33->46         started        51 gfgjiftujh.exe 33->51         started        112 Maps a DLL or memory area into another process 36->112 53 gfgjiftujh.exe 36->53         started        55 gfgjiftujh.exe 36->55         started        57 gfgjiftujh.exe 38->57         started        59 gfgjiftujh.exe 38->59         started        61 gfgjiftujh.exe 40->61         started        63 gfgjiftujh.exe 40->63         started        process10 dnsIp11 98 185.244.30.14, 49743, 49744, 49745 DAVID_CRAIGGG Netherlands 46->98 100 godisgood1.hopto.org 105.112.101.125, 7712 VNL1-ASNG Nigeria 46->100 90 C:\Program Files (x86)\...\dhcpmon.exe, PE32 46->90 dropped 92 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 46->92 dropped 94 C:\Users\user\AppData\Local\...\tmp8932.tmp, XML 46->94 dropped 96 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 46->96 dropped 102 Hides that the sample has been downloaded from the Internet (zone.identifier) 46->102 65 schtasks.exe 1 46->65         started        67 schtasks.exe 1 46->67         started        69 gfgjiftujh.exe 53->69         started        72 gfgjiftujh.exe 57->72         started        file12 signatures13 process14 signatures15 74 conhost.exe 65->74         started        76 conhost.exe 67->76         started        128 Maps a DLL or memory area into another process 69->128 130 Sample uses process hollowing technique 69->130 78 gfgjiftujh.exe 72->78         started        80 gfgjiftujh.exe 72->80         started        process16
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3fbea67457f23da959bc5bbb0f90d577e2d3b77c7b364613b1362182364634e/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 15:56:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=up56uz2fp4r5vfm3yw53b6ink57c2o3xy6zwiyj3cnrbqi3emnha._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
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+ 2'615 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
upx evasion trojan keylogger stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/200805-lqjyzndp1x/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
NTFS ADS
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Drops startup file
Executes dropped EXE
UPX packed file
NanoCore
Malware Config
C2 Extraction:
godisgood1.hopto.org:7712
185.244.30.14:7712
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/a3fbea67457f23da959bc5bbb0f90d577e2d3b77c7b364613b1362182364634e

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 a3fbea67457f23da959bc5bbb0f90d577e2d3b77c7b364613b1362182364634e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/410909/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/39794/

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