MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c73cdd4d62376205223c596603881734d6ea412ae79bb733f26b89816a54bfcf. 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



Nitol


Vendor detections: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: c73cdd4d62376205223c596603881734d6ea412ae79bb733f26b89816a54bfcf
SHA3-384 hash: b2ce79eac650d55f8d4a57715757f761873a8a02623c980027e1d2f6107990f1ef1cd1c8c47d746006baff3cc245196c
SHA1 hash: 85f911f1227ed31c28525fbcc7f67d0fb000e7f9
MD5 hash: ce3af7ffcb13c7ce845932a8a8489df6
humanhash: happy-michigan-pip-three
File name:Kafan_Sample_c73cdd4d62376205223c596603881734d6ea412ae79bb733f26b89816a54bfcf.exe
Download: download sample
Signature Nitol
File size:690'176 bytes
First seen:2020-08-02 15:29:45 UTC
Last seen:2020-08-02 16:32:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 57ec1f7687d6ffa2ba87cf4cc7340481 (1 x Nitol)
ssdeep 1536:zoZmkVfEfq5fhIzPrSxR+Ud1nO8Tl0TmfjyeVQDI4mTd:zoVfEfq5fhIa2+EmfjyOYI4mp
Threatray 68 similar samples on MalwareBazaar
TLSH F8E48CD6EE434FCDE4E669B5D6AF36F56D1544C8CB200F539382DE8E8521680B84E23E
Reporter vm001cn
Tags:Nitol

Intelligence


File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the Program Files subdirectories
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
GhostRat
Detection:
malicious
Classification:
bank.troj.evad
Score:
72 / 100
Signature
Checks if browser processes are running
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Tries to delay execution (extensive OutputDebugStringW loop)
Yara detected GhostRat
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-02 15:31:05 UTC
AV detection:
21 of 48 (43.75%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Checks processor information in registry
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Drops file in Program Files directory
Adds Run key to start application
Adds Run key to start application
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:Backdoor_Nitol_Jun17
Author:Florian Roth
Description:Detects malware backdoor Nitol - file wyawou.exe - Attention: this rule also matches on Upatre Downloader
Reference:https://goo.gl/OOB3mH
Rule name:MAL_Nitol_Malware_Jan19_1
Author:Florian Roth
Description:Detects Nitol Malware
Reference:https://twitter.com/shotgunner101/status/1084602413691166721

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments