MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07245aa4f477bc6d09c4e1144b5c842f4c52f08d4f038fe87cdc7a001d445b7a. 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


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 07245aa4f477bc6d09c4e1144b5c842f4c52f08d4f038fe87cdc7a001d445b7a
SHA3-384 hash: b97931b3b1ce8bea00f027b6da4c34be7e8b4aafdf4cbebb1880d0233697d7f0b2214217cdc9633864e92da0ed42bdbc
SHA1 hash: 87f54759148c1b4fac65bfce37189d088bfc909b
MD5 hash: b9e44622ac74b6d1d15042e97a210ef9
humanhash: mobile-mars-fix-ohio
File name:Urgent_Quotation_Order_15_05_2021.pdf.exe
Download: download sample
Signature NanoCore
File size:1'850'368 bytes
First seen:2021-05-16 06:06:58 UTC
Last seen:2021-05-16 16:23:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:whIlzIpt70MKTwJL1vOuirkeZUxaTzo1RPE:+IlsptgnAZI1TT
Threatray 1'922 similar samples on MalwareBazaar
TLSH E585281EE65DA701DAF98276C0E59DB0906E8C26A206FA7F58D878FC5FF13FE1058604
Reporter GovCERT_CH
Tags:NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Urgent_Quotation_Order_15_05_2021.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-16 06:09:23 UTC
Tags:
rat nanocore

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:
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
Initial sample is a PE file and has a suspicious name
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
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.Heracles
Status:
Malicious
First seen:
2021-05-16 01:17:18 UTC
AV detection:
21 of 43 (48.84%)
Threat level:
  5/5
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:
185.140.53.138:20221
wealth2021.ddns.net:20221
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.

Malspam

NanoCore

Executable exe 07245aa4f477bc6d09c4e1144b5c842f4c52f08d4f038fe87cdc7a001d445b7a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments