MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 400fa4663cc89bd82a78b2acea20f8ca620679108287c1287f046b4365831cc7. 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: 10
| SHA256 hash: | 400fa4663cc89bd82a78b2acea20f8ca620679108287c1287f046b4365831cc7 |
|---|---|
| SHA3-384 hash: | 2899cf8489d6e1f818085e4f5e559e36c6a8ce8a4d3e8a3feccc8890cba92650a90e781e98e9e60795451e7473ddadbf |
| SHA1 hash: | 965739bb63d8b80ede1ea2c80e43c556ee59fb04 |
| MD5 hash: | f5e6b2d3866192f969ccda4b03c9ad11 |
| humanhash: | edward-purple-triple-jupiter |
| File name: | f5e6b2d3866192f969ccda4b03c9ad11.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 425'984 bytes |
| First seen: | 2021-05-24 13:46:00 UTC |
| Last seen: | 2021-05-24 14:01:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:vNEwhrfcphhpjnLg1vO8A15HnvCS8bXP1hqYqPx6FMQI77/7Nkbft:vNB0DjKJA1ZCRhqXx6Mv7Nsft |
| Threatray | 223 similar samples on MalwareBazaar |
| TLSH | CE94F0067E11C54BC529C83AD996C5B80327DF43C923FB0B2955FA19F9323DAF44BA94 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 194.5.98.10:5000 | https://threatfox.abuse.ch/ioc/58306/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f5e6b2d3866192f969ccda4b03c9ad11.exe
Verdict:
No threats detected
Analysis date:
2021-05-24 13:58:26 UTC
Tags:
n/a
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 file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Launching a process
Deleting a recently created file
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
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
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
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-20 14:27:43 UTC
AV detection:
29 of 47 (61.70%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 213 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger persistence 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
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
newnano.ddns.net:5000
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [B0023] Execution::Install Additional Program