MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 408eb0b0d835fd9b2fb9c5d274def10ac5f94eb77bed666dff3dd67f8cac0da8. 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


Intelligence 10 IOCs 1 YARA 2 File information Comments

SHA256 hash: 408eb0b0d835fd9b2fb9c5d274def10ac5f94eb77bed666dff3dd67f8cac0da8
SHA3-384 hash: 8bb3394b305b2df13074a42d00cf1a80ec2259d8e1007b9cfd6af8a5014eeacfe6952d07526456914a7ee84ad642dc12
SHA1 hash: 0b1044d06d2aee41e59b83c28b4e4945d4ce1ac9
MD5 hash: a5b823d39f412dac505d9c5907d65251
humanhash: finch-spaghetti-hamper-video
File name:a5b823d39f412dac505d9c5907d65251.exe
Download: download sample
Signature NanoCore
File size:1'710'592 bytes
First seen:2021-05-27 12:50:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:y7Efkz+xgi1mNlr+MnznPCY04Ll+uPguDxls9Cdiw5/uEg/M/:5sz+xgcmNtP0GZjDc9w4E
TLSH 0985393573A407A5E4B3463546F8623787B37CBA3720E98D2C6133358AB65811E6DF2B
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
wekeepworking.sytes.net

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
185.140.53.40:1144 https://threatfox.abuse.ch/ioc/65653/

Intelligence


File Origin
# of uploads :
1
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a5b823d39f412dac505d9c5907d65251.exe
Verdict:
Malicious activity
Analysis date:
2021-05-27 13:17:40 UTC
Tags:
trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgenteslaPacker
Status:
Malicious
First seen:
2021-05-27 07:51:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
49
AV detection:
23 of 47 (48.94%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
wekeepworking.sytes.net:1144
wekeepworking12.sytes.net:1144
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: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.

Web download

NanoCore

Executable exe 408eb0b0d835fd9b2fb9c5d274def10ac5f94eb77bed666dff3dd67f8cac0da8

(this sample)

  
Delivery method
Distributed via web download

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