MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4aa35cb89fb4ee9c316d487f9b2964b6dd38144160e61a4141dbe28d44196b1. 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
| SHA256 hash: | b4aa35cb89fb4ee9c316d487f9b2964b6dd38144160e61a4141dbe28d44196b1 |
|---|---|
| SHA3-384 hash: | 6ae470986c38a7a7824cd9bedb6ddf360b6e559cd077f0a15ef6df136bc0d09742002ecf0efb749ce25bf4b414c38b01 |
| SHA1 hash: | 882ff5708b0e1347a1985e1a3b27fee635cfd39d |
| MD5 hash: | 6bfc2e6c05608b166052875997b43581 |
| humanhash: | double-bacon-oranges-crazy |
| File name: | bankCopy_pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 363'520 bytes |
| First seen: | 2020-06-08 07:09:06 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 6144:u4T46WDrcczIIIZeYSq79RFaD/yRSMFnuo6BwgLcdp88Trex3W:u4JXZeq7cjydFnywgLcdLelW |
| Threatray | 1'317 similar samples on MalwareBazaar |
| TLSH | EA741291B7EC8F31DABE0BF5A0F701011774365B7926FB1D2DC661DA8A82B614A40F0B |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: box.mytek-cg.info
Sending IP: 192.236.194.98
From: account@mytek-cg.info
Subject: Re: Paid Copies of Invoices TAS8459
Attachment: bankCopy_pdf.zip (contains "bankCopy_pdf.exe")
NanoCore RAT C2:
91.193.75.252:2210
Hosted on nVpn:
% Information related to '91.193.75.0 - 91.193.75.255'
% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@kgb-vpn.org'
inetnum: 91.193.75.0 - 91.193.75.255
netname: NON-LOGGING-VPN-SERVICE
descr: Please note that we don't store any user data.
descr: Our main effort is not to make money, but to preserve values like the
descr: freedom of expression, the freedom of press, the right to data protection
descr: and informational self-determination.
descr: We ask all employees of Spamhaus and all self-proclaimed deputy sheriffs
descr: to stop your attacks against us.
country: EU
admin-c: KA7109-RIPE
tech-c: KA7109-RIPE
org: ORG-KHd1-RIPE
status: ASSIGNED PI
mnt-by: RIPE-NCC-END-MNT
mnt-by: KGB-MNT
mnt-routes: KGB-MNT
sponsoring-org: ORG-MW1-RIPE
created: 2012-06-04T11:05:55Z
last-modified: 2019-12-05T05:39:00Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Status:
Malicious
First seen:
2020-06-08 07:11:05 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'307 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
91.193.75.252:2210
marshost.publicvm.com:2210
marshost.publicvm.com:2210
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
Delivery method
Distributed via e-mail attachment
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