MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e847719a98762bcf7422064186c2cdbb2f58000622448c3adcb6769b7cfbea68. 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
| SHA256 hash: | e847719a98762bcf7422064186c2cdbb2f58000622448c3adcb6769b7cfbea68 |
|---|---|
| SHA3-384 hash: | de4109b190ea22e05d81a0e3bce8062b6df6545e1674cbf8d68680fa7fd8d88124cf012f72af9fed0a880a5cf6a26d3c |
| SHA1 hash: | f095a4d8a3c8c5311db86d0361a404083e1d74cf |
| MD5 hash: | 08deb61053e419b20b241252a79ed01a |
| humanhash: | foxtrot-cat-october-mango |
| File name: | purchase order_20200831_01178(2)pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 677'376 bytes |
| First seen: | 2020-08-31 08:27:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:wiHl6MMvN9vvSQqbEhHbrINlK/8gIgjMZ1QgvsQgfcRadpEnOj:gpvN9vvSXbEh7KlGLgrbRa7EO |
| Threatray | 1'448 similar samples on MalwareBazaar |
| TLSH | 75E4CF29030D9B2FD92871BD2090409CE1F19781EA74F2C8ED6B34E595D279DB7AE3C6 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT Yahoo |
abuse_ch
Malspam distributing NanoCore:HELO: sonic306-54.consmr.mail.sg3.yahoo.com
Sending IP: 106.10.241.174
From: VY Hong <hongvy@thuvienphapluat.com>
Subject: New (September) Purchase Order
Attachment: purchase order_20200831_011782pdf.ace (contains "purchase order_20200831_01178(2)pdf.exe")
NanoCore RAT C2:
morelogs2020.myq-see.com:8181 (91.193.75.53)
Pointing to 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 :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
DNS request
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-31 01:10:12 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'438 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
evasion trojan 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
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
morelogs2020.myq-see.com:8181
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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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