MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9edbdaf446103693e7c9f4fb46d943493773db27556a8b55fde2f32901379ac. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9edbdaf446103693e7c9f4fb46d943493773db27556a8b55fde2f32901379ac
SHA3-384 hash: 187bd03f8967828963426c0dd936e4cce3de6dc70097d1166cedf6d898984ff13f334dacb86da97880fb12733ed2af9a
SHA1 hash: 67d2d5e1c3f8cf1d95e3de7f9c8ba2e08abde51b
MD5 hash: c71a5eb7ec38b7e3254a2111c5ffc323
humanhash: arkansas-venus-golf-skylark
File name:Gls Hungary Szolgáltatási Szolgáltatási Értesítés.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:453'632 bytes
First seen:2020-07-01 10:11:58 UTC
Last seen:2020-07-01 11:09:12 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:Cxnv4QfgGIlYs1GYZnQNjTvyhGHekp90:CtwEgflYVMnMjbCGja
Threatray 1'230 similar samples on MalwareBazaar
TLSH 8BA49CC0B6BA0BD6E7B653FB1A62584487F6BA7E6039D3190EC275CB94A1F004F50B17
Reporter abuse_ch
Tags:exe geo HUN NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: vps.yidagnp.com
Sending IP: 45.95.169.73
From: GLS MAGYARORSZÁG SZOLGÁLTATÁS NYOMTATVA <info@yidagnp.com>
Subject: Re: A Gls Hungary Szolgáltatás Szállítási Értesítése
Attachment: Gls Hungary Szolgáltatási Szolgáltatási Értesítés.r11 (contains "Gls Hungary Szolgáltatási Szolgáltatási Értesítés.exe")

NanoCore RAT C2:
185.244.29.128:9995

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 :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18163/
Detection(s):
SecuriteInfo.com.ArtemisC71A5EB7EC38.13338.UNOFFICIAL
Create hunting rule

Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9edbdaf446103693e7c9f4fb46d943493773db27556a8b55fde2f32901379ac/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-01 10:13:03 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhw33l2emebwspt4t5h3i3mugsjxopnsovlkrnk73yxtfeatpgwa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
266c0f3b1cf78040080fce2037544112b77d23b25753c714d6390c2f705a3c34
NanoCore
5d37ea9d96ae208d4df3961643780b97016cf055128483ae287ad86616cbea45
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
83b70b20d0cdb13e9c420723ba5f025827d21e0c051c6e64b5553a5c372c3374
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9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
NanoCore
9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
NanoCore
bdddf5f5fa10f55e58819ff4ae4cf11902c3583503fa8fcf50ce67b1f1f66e4f
NanoCore
ddf157853be3dbebba9eea0db9815017a0c7d8dded210a5c291d7b0ccd2fd2be
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
ed6ea055c622adab41b5eba73b4d556c4c843b9e77e21933297ca0ce972ce5c4
NanoCore
+ 1'220 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200701-dshwqhyvjn/
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:
185.244.29.128:9995
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.

01d3e85ee8e6d83e0f1e008d8b6d3695

NanoCore

Executable exe b9edbdaf446103693e7c9f4fb46d943493773db27556a8b55fde2f32901379ac

(this sample)

  
Dropped by
MD5 01d3e85ee8e6d83e0f1e008d8b6d3695
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/18163/

Comments