MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7bfe37fe1a33afd35833f4085fed761a854dd617df861a10fb7ad4e25d0f78a9. 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: | 7bfe37fe1a33afd35833f4085fed761a854dd617df861a10fb7ad4e25d0f78a9 |
|---|---|
| SHA3-384 hash: | 8d651fc5ee82165335d9b02b8c8e4f58a01f8c97195dba299df62e46f09f2163ab48d82d00ac144ffee71625b2e50cc0 |
| SHA1 hash: | 4bd9fcd0d981c75a4c875b0ca0f995957fd94bf9 |
| MD5 hash: | a07c438611c59fad6083faf789d40917 |
| humanhash: | bluebird-floor-harry-don |
| File name: | DES_ Holdings Ltd - products listing.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 881'664 bytes |
| First seen: | 2021-01-06 16:32:57 UTC |
| Last seen: | 2021-01-06 19:04:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:LbyzeHgTNEHcwslbwKkO55cmc9c5ELpqim5cYCgLtJ79ME:kWHc5wS5cb9maqim5Vp |
| Threatray | 1'450 similar samples on MalwareBazaar |
| TLSH | 7615BF1172893F9AF03D97F661A81101E3F1F40AC766E7BB7C9590DA08A9F41CAF5932 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
abuse_ch
Malspam distributing NanoCore:HELO: srv.kibriswebhizmetleri.com
Sending IP: 213.159.5.123
From: DESIGNATED HOLDINGS LTD <info@inndormcyprus.com>
Subject: Request for Quotation
Attachment: DES_ Holdings Ltd - products listing.rar (contains "DES_ Holdings Ltd - products listing.exe")
NanoCore RAT C2:
212.83.46.26:4021
Intelligence
File Origin
# of uploads :
2
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DES_ Holdings Ltd - products listing.exe
Verdict:
Malicious activity
Analysis date:
2021-01-06 16:44:41 UTC
Tags:
rat nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-01-06 16:33:05 UTC
AV detection:
18 of 44 (40.91%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'440 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 use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
212.83.46.26:4021
127.0.0.1:4021
127.0.0.1:4021
Unpacked files
SH256 hash:
fc2f416b6223a8e0880d036b6580162e59ed4b4b8cb6796d6fd72b7e8a45f2cb
MD5 hash:
757cd953ca51e47b7d4f83444d7c33ef
SHA1 hash:
a44f7bfb5a1c489ba42c6999adf4bee1c8bf0daa
SH256 hash:
78cc69e2bac1d1082fdcd12ab9f73c8fbe177d4c77c3741a1f675afc19fde7df
MD5 hash:
0d89407b450dd157f3eac8a3a3850a07
SHA1 hash:
ae3cd291f2a022360896d4fae4f005f2b50a8364
SH256 hash:
a14e5ae48a7136b0829ae1838c5ff8aef270aa0de4259c14396d90e6759e70b6
MD5 hash:
cd2a67781cc2ede2157399d09998c207
SHA1 hash:
e47e2dcc76d9040cc45f509035b472f36ee0b11d
Detections:
win_nanocore_w0
SH256 hash:
7bfe37fe1a33afd35833f4085fed761a854dd617df861a10fb7ad4e25d0f78a9
MD5 hash:
a07c438611c59fad6083faf789d40917
SHA1 hash:
4bd9fcd0d981c75a4c875b0ca0f995957fd94bf9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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 |
|---|---|
| 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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