MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 de961361633782ad1eed4562da2c5cbfaa7b7dd221d7f5825429ac216385fb87. 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: | de961361633782ad1eed4562da2c5cbfaa7b7dd221d7f5825429ac216385fb87 |
|---|---|
| SHA3-384 hash: | 5741746f9ab82a1387aaa228f0bb7e1788347aa58696dc3d78d3da18f6596661a11f39f13a38d566e14d879467755aab |
| SHA1 hash: | 645e781d88daadc2167a0fb05951841af073cb70 |
| MD5 hash: | 3c6452846cec15b41f1eb4df5115e206 |
| humanhash: | failed-september-zulu-jig |
| File name: | orden233,pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 325'482 bytes |
| First seen: | 2021-03-01 13:05:08 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:x9X0GXDJDolu2hkLys0FzlfTkFnu9ckw3OhzZEdzGcbM:n0S5olTkLWdTbw3ckzDbM |
| Threatray | 2'226 similar samples on MalwareBazaar |
| TLSH | 246412952390DCAAD414BBB106FEDB76BEF4813C248D26AB57400FDBF96358A0B0F255 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
abuse_ch
Malspam distributing NanoCore:HELO: hosting4.kmtiendas.com
Sending IP: 37.152.93.84
From: Mari Carmen Arasanz <finance@arcumgroup.com>
Subject: Dar oferta
Attachment: orden233,pdf.iso (contains "orden233,pdf.exe")
NanoCore RAT C2:
gracious2021.ddns.net
Intelligence
File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
orden233,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-01 16:00:12 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
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.Backdoor.NanoCore
Status:
Malicious
First seen:
2021-03-01 11:10:29 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 2'216 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:
de961361633782ad1eed4562da2c5cbfaa7b7dd221d7f5825429ac216385fb87
MD5 hash:
3c6452846cec15b41f1eb4df5115e206
SHA1 hash:
645e781d88daadc2167a0fb05951841af073cb70
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: | 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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