MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a3e67bd9483ff44e19489be13809806f228aa8063d701f2344eed25c9c3cd5db. 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: 12
| SHA256 hash: | a3e67bd9483ff44e19489be13809806f228aa8063d701f2344eed25c9c3cd5db |
|---|---|
| SHA3-384 hash: | 504d1455a89a137c0696d475a56830d2e67363b921581a8af00737044bb9aaa8472c55f99f19776c3e96ebfc34a2faea |
| SHA1 hash: | 9a547040db23b1a5f8643c44f5f49f9b909aa431 |
| MD5 hash: | 19e37f230241df1a515db9a800201b9e |
| humanhash: | colorado-william-lemon-mike |
| File name: | invoice and packing list #22122020.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 910'848 bytes |
| First seen: | 2020-12-22 15:51:42 UTC |
| Last seen: | 2020-12-22 17:39:06 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger) |
| ssdeep | 12288:R4GonzKs5jPl66Iht2JlLFuawK13dYmBnwMUwb2Od2ck6lsu5/vnT0dw35na5AP:R4Lzwe9wK13dYmVvUwbL2/Sv3ha5A |
| Threatray | 1'637 similar samples on MalwareBazaar |
| TLSH | B1156C20E5E9D119FD329B67C6D0F4F186BABDE2E30ED41B28D13E463632941C9B1729 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: asamco-sa.com
Sending IP: 212.83.46.26
From: EIRAD Trading and Contracting Co. LTD <info@asamco-sa.com>
Subject: SHIPMENT NEED ADVICE
Attachment: invoice and packing list 22122020.7z (contains "invoice and packing list #22122020.exe")
NanoCore RAT C2:
185.165.153.84:20110
Hosted on nVpn:
% Information related to '185.165.153.0 - 185.165.153.255'
% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacyfirst.sh'
inetnum: 185.165.153.0 - 185.165.153.255
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-UK
country: GB
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2020-10-26T17:45:15Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice and packing list #22122020.exe
Verdict:
Malicious activity
Analysis date:
2020-12-22 16:19:41 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Binary contains a suspicious time stamp
Detected Nanocore Rat
Found malware configuration
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)
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 dynamic DNS services
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.Backdoor.Remcos
Status:
Malicious
First seen:
2020-12-22 15:52:07 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'627 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 use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.165.153.84:20110
msaqibafrozo.duckdns.org:20110
msaqibafrozo.duckdns.org:20110
Unpacked files
SH256 hash:
a3e67bd9483ff44e19489be13809806f228aa8063d701f2344eed25c9c3cd5db
MD5 hash:
19e37f230241df1a515db9a800201b9e
SHA1 hash:
9a547040db23b1a5f8643c44f5f49f9b909aa431
SH256 hash:
14465aea3086ce62aea3f76e24f2e64650448d3f206bacaf2a025fe1e0c80758
MD5 hash:
813d6dc28772a5ed29da4c57e6995498
SHA1 hash:
0c6e060c10975909a3c77101c410405461061dea
SH256 hash:
63a681a5739224e2a8d2184aee0f2672d57a99b920dbd40de6decb78b961b588
MD5 hash:
fc6398e3e937efd3ec3b835312111b12
SHA1 hash:
1df5edc9d3e24de6032d3569db24c58f79f65476
SH256 hash:
74231bfbd4fb830b9ef2db487b948812bfe87a184928b33dafa5a8e388ee0fa7
MD5 hash:
59ddad0ccd915041d217f7b3467c8bd5
SHA1 hash:
1f4c5d5bc25191f0130812b71f98bd2bfa6a1c1d
SH256 hash:
f01e0f367495c9e173c14bf1dd3150dba04806d3d38a177cad318db03e81ccfb
MD5 hash:
ca6152cccdff4ce7e3e8e642feda71a9
SHA1 hash:
d2c7c7048c6bfe02ea17255010d2fc72a7d07529
Detections:
win_nanocore_w0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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 |
|---|---|
| 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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