MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cef6b24f9c34ef5503ed6ba52ded7847882e7599bd39954ff9d3409042eeb74. 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 5 File information Comments

SHA256 hash: 6cef6b24f9c34ef5503ed6ba52ded7847882e7599bd39954ff9d3409042eeb74
SHA3-384 hash: 462122d48d7d4b7ff9e24cb8093e91a6f70f8547070c723d41a8bbd5626bce3b26196b56153833cbff34584893a44dac
SHA1 hash: f8c9c70f255c8e7813f1923a55f01c7ff4276d7e
MD5 hash: 4f06e6718d72fa923363b59a6268e008
humanhash: fourteen-texas-september-vegan
File name:PURCHASE ORDER_PDF____________________________________,,,.exe
Download: download sample
Signature NanoCore
File size:432'128 bytes
First seen:2020-07-10 09:28:19 UTC
Last seen:2020-07-10 11:06:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:a4IZmXTcGMQbXaFRQqcVCUtoW8OPJR+nLurd:71Qtz7cfranLurd
Threatray 1'380 similar samples on MalwareBazaar
TLSH 7F94D047315097ADDD7E9AF2861A0C9073A5ACBFC619D2092EC732D70FF57828921B63
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: lion.vivawebhost.com
Sending IP: 91.148.168.30
From: Cosmo Lin <sales.saomaivina@outlook.com>
Subject: PURCHASE ORDER
Attachment: PURCHASE ORDER_PDF____________________________________,,,.iso (contains "PURCHASE ORDER_PDF____________________________________,,,.exe")

NanoCore RAT C2:
ugorji.ddns.net:30945 (79.134.225.93)

Pointing to nVpn:

% Information related to '79.134.225.64 - 79.134.225.127'

% Abuse contact for '79.134.225.64 - 79.134.225.127' is 'abuse@your-vpn.network'

inetnum: 79.134.225.64 - 79.134.225.127
netname: YOUR_VPN_NETWORK
country: DE
remarks: ****************************************************
remarks: This subnet belongs to a VPN service provider.
remarks: We protect the right to privacy, which means
remarks: we don't log the activities of our users.
remarks: ****************************************************
admin-c: EH4074-RIPE
tech-c: YVN10-RIPE
status: ASSIGNED PA
abuse-c: YVN10-RIPE
org: ORG-YVN1-RIPE
mnt-by: AF15-MNT
created: 2019-07-19T18:26:38Z
last-modified: 2019-07-19T18:51:28Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Enabling autorun with Startup directory
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-10 08:49:23 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore persistence evasion
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run entry to start application
Checks whether UAC is enabled
Reads user/profile data of web browsers
Uses the VBS compiler for execution
NanoCore
Malware Config
C2 Extraction:
ugorji.ddns.net:30945
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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
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.

7d4695b0b1fee7360248a1e9b92e562e

NanoCore

Executable exe 6cef6b24f9c34ef5503ed6ba52ded7847882e7599bd39954ff9d3409042eeb74

(this sample)

  
Dropped by
MD5 7d4695b0b1fee7360248a1e9b92e562e
  
Delivery method
Distributed via e-mail attachment

Comments