MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 16f1274d2435181f2fb7ab3ba9fe1f7e9755e9cc449de481bd5ec636b6f32d52. 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: | 16f1274d2435181f2fb7ab3ba9fe1f7e9755e9cc449de481bd5ec636b6f32d52 |
|---|---|
| SHA3-384 hash: | 11502da6d569c8ab48905eba8dfe2f3d48f34daf17426756dd2d39c2a4392cee21623148da6f321334b02123a4fb17ad |
| SHA1 hash: | 0cc18c6b4b8c184258eac66194c25c58caaa7324 |
| MD5 hash: | fd901c061ab5128e07a6af8d0c166455 |
| humanhash: | nine-emma-hawaii-cold |
| File name: | Invoice8044.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'015'808 bytes |
| First seen: | 2020-11-07 09:57:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:dhA43RF2N0xv4vnpKPBjHba/FA832Q1ROhYY+shHoRtwJq68GVnoA9Enw3jiskc4:vh3Rykvj7ad332QdeInCCIEns+sf |
| Threatray | 1'246 similar samples on MalwareBazaar |
| TLSH | DF25CFF6A246E76AC40F043FF84B256183D9DF5E99F8804A57C9B11D13BC2CE65AC48B |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: mail.omunicipio.com.br
Sending IP: 179.190.96.225
From: Accounts <jotaan@omunicipioblumenau.com.br>
Subject: Invoice8044
Attachment: Invoice8044.img (contains "Invoice8044.exe")
NanoCore RAT C2:
u852121.nvpn.to:3410 (185.140.53.159)
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@privacyfirst.sh'
inetnum: 185.140.53.0 - 185.140.53.255
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-EU
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-11-06T23:02:44Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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
Allocates memory in foreign processes
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
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-05 22:10:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'236 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore 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
NanoCore
Malware Config
C2 Extraction:
u852121.nvpn.to:3410
Unpacked files
SH256 hash:
16f1274d2435181f2fb7ab3ba9fe1f7e9755e9cc449de481bd5ec636b6f32d52
MD5 hash:
fd901c061ab5128e07a6af8d0c166455
SHA1 hash:
0cc18c6b4b8c184258eac66194c25c58caaa7324
SH256 hash:
fb5e09a4b28400d62a63a5eaea3d3074f9c66719b1a6fde1eccd8f48b3aae675
MD5 hash:
4586b07d0f0fbae76de34ab75ba1dbf9
SHA1 hash:
0b295cc6634876fe421928255277bf367f81a1bf
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
2ed310052f74410ad1a83c84b658985cf7d67cc00a9ae61c3a5cd73ac0d677a5
MD5 hash:
71646334f969acf84e1465e6e5a6371a
SHA1 hash:
b7cb170d2c9d3d577382df81faa4b0bc7ae59453
Detections:
win_nanocore_w0
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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.