MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43ad93082a89152d41f40cd7a551c3fba9618e88c98739b7cc09c6ede30b6d02. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 43ad93082a89152d41f40cd7a551c3fba9618e88c98739b7cc09c6ede30b6d02
SHA3-384 hash: 4c93307dd7aa6d504adba90348bd300c8fcfc852cf614d28eb021d706572aafb6b6e9d1180bd3301edef271f3b055d8b
SHA1 hash: 9eceade1c82691d4a535871230618d9bdd41677d
MD5 hash: d92535dd8cc171faa29d9523916a2522
humanhash: video-ohio-autumn-jersey
File name:[DHL] Notice on Customs Payment (6900449581).exe
Download: download sample
Signature NanoCore
File size:420'352 bytes
First seen:2020-07-22 07:07:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:9NHr2tJs9UPUm2iNSwroGIxWg4fPLBUc/:979Ucm11VIkfPv
Threatray 1'660 similar samples on MalwareBazaar
TLSH E394DF20EBB807DADB6947BAD02505409B79A90E67EAE70D1F91F4DC0932B418727F37
Reporter abuse_ch
Tags:DHL exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: hwsrv-748333.hostwindsdns.com
Sending IP: 192.236.198.19
From: jaejoon.cho<jaejoon.cho@dhl.com>
Subject: [DHL] Notice on Customs Payment (6900449581)
Attachment: DHL Notice on Customs Payment 6900449581.zip (contains "[DHL] Notice on Customs Payment (6900449581).exe")

NanoCore RAT C2:
annapro55.ddns.net:2121 (185.140.53.167)

Pointing to nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
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-BE-NL4
country: EU
descr: Zaventem, Belgium
descr: Amsterdam, Netherlands
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-07-16T21:16:41Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
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
Creating a file
Creating a file in the %AppData% subdirectories
Sending a TCP request to an infection source
Enabling autorun with Startup directory
Unauthorized injection to a system process
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-22 07:09:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.244.30.139:2121
annapro55.ddns.net:2121
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 43ad93082a89152d41f40cd7a551c3fba9618e88c98739b7cc09c6ede30b6d02

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments