MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 38181c48e9eb624b259664be09541e3f2717675df2d21612fb4ae1c9a75f0dfc. 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: 11
| SHA256 hash: | 38181c48e9eb624b259664be09541e3f2717675df2d21612fb4ae1c9a75f0dfc |
|---|---|
| SHA3-384 hash: | 1d34eddaa8a78b3122cf085e724206a9486caca0cab5a54281dc1bef466b050c44944c16fbccd2a5c8bcbab3d8e94539 |
| SHA1 hash: | 8a7b0e3260846a2a74cb8a738280bfb0293aa9c8 |
| MD5 hash: | eb0839c4f9fef78fefcaeb0ef0227390 |
| humanhash: | hotel-beryllium-cup-mockingbird |
| File name: | Order_inquiry,pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 410'422 bytes |
| First seen: | 2021-03-01 13:08:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT) |
| ssdeep | 6144:m9X0GxiVFI8Es5eKtsZ/Tlg0dfARFd2lGbxdZIBEX+ZvccB3I8o/ZFBX:I0do8EsgKtsNS0oD7UG+ZheBX |
| Threatray | 2'227 similar samples on MalwareBazaar |
| TLSH | EC94AD82B8484899FD6637B544374E3432AF6ED62636D70F13973B761FB32A2141BA07 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: mail.suministroscarmelo.com
Sending IP: 146.255.103.156
From: Fahri TURAN <banu@venbatech.com>
Subject: Quotation for Order
Attachment: Order_inquiry,pdf.iso (contains "Order_inquiry,pdf.exe")
NanoCore RAT C2:
gracious2021.ddns.net:3734 (194.5.98.25)
Pointing to nVpn:
% Information related to '194.5.98.0 - 194.5.98.255'
% Abuse contact for '194.5.98.0 - 194.5.98.255' is 'abuse@privacyfirst.sh'
inetnum: 194.5.98.0 - 194.5.98.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-NO
country: NO
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-04-26T16:42:54Z
last-modified: 2020-10-07T21:35:29Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order_inquiry,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-01 15:35:57 UTC
Tags:
rat nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
Win32.Trojan.SpyNoon
Status:
Malicious
First seen:
2021-03-01 13:09:14 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
25 of 48 (52.08%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 2'217 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
gracious2021.ddns.net:3734
Unpacked files
SH256 hash:
38181c48e9eb624b259664be09541e3f2717675df2d21612fb4ae1c9a75f0dfc
MD5 hash:
eb0839c4f9fef78fefcaeb0ef0227390
SHA1 hash:
8a7b0e3260846a2a74cb8a738280bfb0293aa9c8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.72
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: | adonunix |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | AD on UNIX |
| Rule name: | Nanocore |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Nanocore in memory |
| Reference: | internal research |
| Rule name: | nanocore_rat |
|---|---|
| Author: | jeFF0Falltrades |
| 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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