MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b15a450dc18f20701d19f7dc9046760e4dd83ca7e99cdc122dab27a47f94f07. 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

SHA256 hash: 2b15a450dc18f20701d19f7dc9046760e4dd83ca7e99cdc122dab27a47f94f07
SHA3-384 hash: 88535128297edc044aee14739a6d48d1fdbbad173f2d2f5c8953430bc5fbe37dec7c47fc61ada73e375c27546807362e
SHA1 hash: 6f3cd6836900513cadc2a5a60fb6517a17bde1b6
MD5 hash: d2f0b9aec2ad66b9ab314391f26e5a3d
humanhash: xray-wisconsin-nine-single
File name:采购查询_29-07-20.exe
Download: download sample
Signature NanoCore
File size:530'432 bytes
First seen:2020-07-29 06:23:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:UJbkQ0BdfFQihWZOrnomrXYnAUx0KKlz9iTw4:UOQ0BFjhZrXYnZmKORil
Threatray 1'199 similar samples on MalwareBazaar
TLSH F3B4DF0562985B1FC79B86B97027C0F01263D0A9EB66EEB35D8FE0A315D22FD34C3596
Reporter abuse_ch
Tags:CHN exe geo NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: vps.uncethsa.com
Sending IP: 45.95.170.154
From: Chao Hsiu-wa <info@uncethsa.com>
Subject: Re: 曼福德 订单 查询
Attachment: 采购查询_29-07-20.r11 (contains "采购查询_29-07-20.exe")

NanoCore RAT C2:
tgfhgfd.casacam.net:6331 (194.5.97.25)

Pointing to nVpn:

% Information related to '194.5.97.0 - 194.5.97.255'

% Abuse contact for '194.5.97.0 - 194.5.97.255' is 'abuse@kgb-vpn.org'

inetnum: 194.5.97.0 - 194.5.97.255
netname: NET-NINAZU
remarks: ------------------------------------------
remarks: * This network is used for a VPN service.
remarks: * No logs are stored in any shape or form.
remarks: ------------------------------------------
country: MD
admin-c: NVS100-RIPE
tech-c: NVS100-RIPE
abuse-c: NVS100-RIPE
org: ORG-KHd1-RIPE
status: SUB-ALLOCATED PA
mnt-by: NINAZU-MNT
created: 2018-07-23T09:31:45Z
last-modified: 2020-07-28T21:43:58Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Nanocore Rat
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 04:02:35 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
tgfhgfd.casacam.net:6331
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.

Malspam

NanoCore

Executable exe 2b15a450dc18f20701d19f7dc9046760e4dd83ca7e99cdc122dab27a47f94f07

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments