MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1fbae4f859c40f9446d06e76a4acf496fe0a43fb93b87f87d1077ab8a4490480. 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: 4
| SHA256 hash: | 1fbae4f859c40f9446d06e76a4acf496fe0a43fb93b87f87d1077ab8a4490480 |
|---|---|
| SHA3-384 hash: | b93219f05e67ad0575465bb85fc4afd9902283cc2b6f5b6c8560250897fb1d34cf175072a22fd36426757aea9d2924e3 |
| SHA1 hash: | 2c0aa234321581f6414535e165a832b8cd4a4704 |
| MD5 hash: | c97d31e6c4311d688c7de8a19ba9f488 |
| humanhash: | salami-two-november-louisiana |
| File name: | Booking.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 298'057 bytes |
| First seen: | 2020-05-02 07:59:42 UTC |
| Last seen: | 2020-05-02 08:57:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 250ba31d444f273789e3ca348000e37e (1 x NanoCore) |
| ssdeep | 6144:weOh9kp45g6fNFO2ActWo7qMT357w4DRUzI2t7UMS5PfK:wdkYn4AqMT35M4DRULHA3K |
| Threatray | 1'265 similar samples on MalwareBazaar |
| TLSH | C254E106B6E38B6EF693E5735831CA4C0732895729325F679583C21568E1FCBB421BCB |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: gabriel.compuservinformatica.com.br
Sending IP: 177.220.128.70
From: Kayla Scherer <lucas.inacio@compuservinformatica.com.br>
Reply-To: vsapritisky@gmail.com
Subject: Change of Booking
Attachment: Booking.img (contains "Booking.exe")
NanoCore RAT C2:
u852117.nvpn.so:5638 (185.140.53.142)
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@FOS-VPN.org'
inetnum: 185.140.53.0 - 185.140.53.255
netname: Freedom_Of_Speech_VPN
remarks: Before you contact us, please read:
remarks: 185.140.53.0/24 belongs to a NON-LOGGING VPN service.
remarks: We don't log any user activities.
remarks: We believe that the right to informational self-determination and the
remarks: right to privacy are essential to all citizens of all countries.
remarks: We don't host anything else on our servers than VPN software and our
remarks: customers can open a fixed number of Ports.
remarks: Like Public WiFi or Tor Exit Node Operators we cannot be held responsible
remarks: for the actions of our customers, because we simply can't (and to be
remarks: honest: don't want) to control them.
country: EU
org: ORG-SL751-RIPE
admin-c: SL12644-RIPE
tech-c: SL12644-RIPE
status: ASSIGNED PA
mnt-by: FOS-VPN-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-04-06T18:59:49Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Crysan
Status:
Malicious
First seen:
2020-05-02 04:20:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 30 (80.00%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'255 additional samples on MalwareBazaar
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
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW |
| WIN_BASE_EXEC_API | Can Execute other programs | api-ms-win-crt-runtime-l1-1-0.dll::_get_narrow_winmain_command_line |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileA |
Comments
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