MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bbcd874940bbc39ba5a0dd87dd1dbb7c1301bd0a2485293bcb2b2f2ad3280948. 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: | bbcd874940bbc39ba5a0dd87dd1dbb7c1301bd0a2485293bcb2b2f2ad3280948 |
|---|---|
| SHA3-384 hash: | c8ad647a5cc0964abd8c7b1e9c9717c2e7a255b04fc1a4bd7b6336ba595062b32b55d45295a992ca33559139c8ba110f |
| SHA1 hash: | 9afb2a016ad7a4167b308122f98c252f63056711 |
| MD5 hash: | 0752313d219147a3a94b7e76e96e6b4c |
| humanhash: | bulldog-hamper-black-hotel |
| File name: | IMG-27102020.scr |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 413'184 bytes |
| First seen: | 2020-10-27 12:15:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:miCNcr0XB6hvhCz/D++jyKbyrjM6K+PKdU4lDD5oVRbpfAIIgqa7F5:rm+00hpC70I6hSUcD5ORdohgbF |
| Threatray | 1'201 similar samples on MalwareBazaar |
| TLSH | 4994E05539269B11F5395BF01972F4002BB22EBF8055E71A1ED4B0D3C9BAF28DA02F5B |
| Reporter |  abuse_ch |
| Tags: | NanoCore Outlook RAT scr |
abuse_ch
Malspam distributing NanoCore:HELO: APC01-HK2-obe.outbound.protection.outlook.com
Sending IP: 104.47.124.51
From: Fernando Jiménez <fernandojimenez.hde@hotmail.com>
Subject: Purchase Order From Impian Reka Bina Sdn Bhd
Attachment: IMG-27102020.xz (contains "IMG-27102020.scr")
NanoCore RAT C2:
185.19.85.177:54085
Intelligence
File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Detected Nanocore Rat
Drops PE files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-10-27 06:00:18 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'191 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.19.85.177:54085
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Noancooe
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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