MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f66be0f748eeb46f257297ae307e8b8925a9fd1774e0c69003d5fceb91d2dee. 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: 5


Intelligence 5 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f66be0f748eeb46f257297ae307e8b8925a9fd1774e0c69003d5fceb91d2dee
SHA3-384 hash: 4f50f4ffaf1ff458753822f2951c410b949b937f9f5a00eb5a4738e156a70ba254129f782beb496612f9c14232a2f35a
SHA1 hash: ad8a034f5be8459410c942e754be47240059be1c
MD5 hash: ac77457dbca052d7a972b388490dbb64
humanhash: south-fanta-ten-snake
File name:TT_Copy.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'314'304 bytes
First seen:2020-05-13 06:20:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:/tb20pkaCqT5TBWgNQ7aSmFqZkE4WrNgwLO26A:8Vg5tQ7aS1b4WZbR5
Threatray 1'916 similar samples on MalwareBazaar
TLSH F255D02273DE8365C3B25173BA19B741BE7F782506B5F86B2FD8093DA920122521E773
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: sanyuktaguptea.pw
Sending IP: 173.82.232.171
From: Standard Chartered Bank <info@sanyuktaguptea.pw>
Reply-To: alauddiinns@gmail.com
Subject: Advice from Standard Chartered Bank
Attachment: TT_Copy..gz (contains "TT_Copy.exe")

NanoCore RAT C2:
185.244.29.132:1985

Hosted on nVpn:

% Information related to '185.244.29.0 - 185.244.29.255'

% Abuse contact for '185.244.29.0 - 185.244.29.255' is 'abuse@gerber-edv.net'

inetnum: 185.244.29.0 - 185.244.29.255
netname: GERBER-NETWORK
descr: Wonsan, Kangwon-do
descr: Choson Minjujuui Inmin Konghwaguk
country: KP
admin-c: GN5022-RIPE
tech-c: GN5022-RIPE
org: ORG-GN148-RIPE
status: SUB-ALLOCATED PA
mnt-by: GERBER-MNT
created: 2018-01-31T19:41:57Z
last-modified: 2020-04-06T22:16:40Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Predator
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 02:20:56 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5tl4d3ur3vun4sxff5ogb7ixcjfvh6ro5hay2iahvp45oi5fxxa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
02b10c6690bd0ed3e9b675553519df78a7ede63a398d68304043eacb691fd305
NanoCore
1064f65ca25e0759b7cebcd985a6243c98ccd08317df9f87dd1c8b88c29e2a9a
NanoCore
2275ed4e7833bc3fc6ed7605de53e3ba46ceec5dd5e547fb8f49b977f9dfa0f0
NanoCore
4754abed0a1f36812e547fb94322fc74c557b7928e363d87849d92bf09bd86bc
NanoCore
49921e6531eac85bf200970640a074072f6071b7a18d23af56706788cd421c1c
NanoCore
77fdd72ddaaa5a36e6826c93bf6496c7bb14feb92e95dc786c94c76aae2c767a
NanoCore
9480fd2481f1fdff9980c3364d5a33f8b3271e5566ca7d19329890c7c2dd20cd
NanoCore
a97cbea3af021993de44693e3dc76121041e99a3d21e4936f84341952e1464cd
NanoCore
ca05f7a026f3e7fe6cdb73437a37629a528a7a62564c4a1866bc00442a2f2750
NanoCore
ce99d2532b3b8a99e8d81af90de4b5bcf906a25fd337369d7e40448e04e0254a
NanoCore
+ 1'906 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-294qv3zr16/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
NanoCore
Malware Config
C2 Extraction:
185.244.29.132:1985
127.0.0.1:1985
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Malspam

NanoCore

gz a95a2ad334350d3151bca9ddbb7d1cd0c380f0ca933bf4ae9b7e1936aa0f9e6d

NanoCore

Executable exe 4f66be0f748eeb46f257297ae307e8b8925a9fd1774e0c69003d5fceb91d2dee

(this sample)

  
Dropped by
MD5 124fdf1bac46357915291106835abc41
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a95a2ad334350d3151bca9ddbb7d1cd0c380f0ca933bf4ae9b7e1936aa0f9e6d

Comments