MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a30dd99039152a76aacb5607d79b400098d9cd24350c0121fe4f7811177c0dbc. 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
| SHA256 hash: | a30dd99039152a76aacb5607d79b400098d9cd24350c0121fe4f7811177c0dbc |
|---|---|
| SHA3-384 hash: | 00be1f2091aa43d29c0be0b36674dd27ee0353c7aad333e21c228d73bebdec8ff4d8cb9122c0c9ee112c352141745d55 |
| SHA1 hash: | bdd6837ed43fe15855aaacc58f1c6807afb4627e |
| MD5 hash: | 241b90f14ff5aff002d61f69357a09cc |
| humanhash: | nebraska-eighteen-pluto-alanine |
| File name: | POEA ADVISORY 2020.PDF.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'074'326 bytes |
| First seen: | 2020-08-27 05:36:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat) |
| ssdeep | 24576:BAOcZeJIZ/HgLpkKnNANMyib+Qqxg539FQZMaBQi2jf:b8/AtbnWpib+pxw96ZMAo |
| Threatray | 1'277 similar samples on MalwareBazaar |
| TLSH | 66351242B3C288B1D4721C31592AAB156E7C79301F29DA2EE3E44DBDDEB11D09635BB3 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: sd.latticesystems.com
Sending IP: 96.44.130.88
From: POEA MANILA <info1@poea.gov.ph>
Subject: POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES
Attachment: POEA ADVISORY 2020.PDF.lzh (contains "POEA ADVISORY 2020.PDF.exe")
NanoCore RAT C2:
91.193.75.18:54985
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: NET-NINAZU
remarks: ------------------------------------------
remarks: * This network is used for a VPN service.
remarks: * No logs are stored in any shape or form.
remarks: ------------------------------------------
country: RU
admin-c: NVS100-RIPE
tech-c: NVS100-RIPE
abuse-c: NVS100-RIPE
mnt-by: NINAZU-MNT
mnt-by: RIPE-NCC-END-MNT
org: ORG-KHd1-RIPE
sponsoring-org: ORG-MW1-RIPE
status: ASSIGNED PI
created: 2012-06-04T11:05:55Z
last-modified: 2020-07-28T21:23:48Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Sending a UDP request
Creating a file
Creating a file in the %temp% directory
Adding an access-denied ACE
Launching a process
Deleting a recently created file
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Detected Nanocore Rat
Drops PE files with a suspicious file extension
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM autoit script
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
Win32.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-08-27 05:38:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'267 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
evasion trojan persistence keylogger stealer spyware family:nanocore
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
officer170.webredirect.org:54985
chidera12345.ddns.net:54985
chidera12345.ddns.net:54985
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NanoCore
Score:
1.00
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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