MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfa5a86c285a2fa7476d7ba6c614d0c98b8acdbf57148df4b44514c546194e32. 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

Xtrat

Vendor detections: 5

Intelligence 5 IOCs YARA 5 File information Comments

SHA256 hash:	dfa5a86c285a2fa7476d7ba6c614d0c98b8acdbf57148df4b44514c546194e32
SHA3-384 hash:	fe0e3071dc6d720a10ab1c3f9e5ebc1699ee34d12ceb258e448a54c8586882188e91e56bf3effb2f901ee8d821e164cf
SHA1 hash:	852e5e74d0e31f96f761bdccf780d0324ae6012f
MD5 hash:	283462efc4c74209303463a1e42f7eeb
humanhash:	fillet-eighteen-floor-alaska
File name:	dfa5a86c285a2fa7476d7ba6c614d0c98b8acdbf57148df4b44514c546194e32
Download:	download sample
Signature	Xtrat Create hunting rule
File size:	122'880 bytes
First seen:	2020-06-17 09:33:58 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	80f106e00e0ab71439ca4be82f581680 (1 x Xtrat)
ssdeep	1536:1fUjzqi8cOppLLFJBvG6g1SE0Rk6SN/016JNNp:lUj+i8cOpZRJBvlQ0q6W/Hzb
Threatray	70 similar samples on MalwareBazaar
TLSH	91C3563227934A52FF228C7BD5C5B951F5CE73C0925E9F9326315A8E423480CF99EE68
Reporter	JAMESWT_WT
Tags:	Xtrat

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Xtreme

Link:

https://www.capesandbox.com/analysis/19416/

Gathering data

Threat name:

Win32.Worm.Remtasu

Status:

Malicious

First seen:

2014-08-21 18:19:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 31 (77.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=36s2q3bilix2or3npotmmfgqzgfyvtn7k4ki35fuiukmkrqzjyza._file

Result

Malware family:

n/a

Score:

8/10

Tags:

persistence

Link:

https://tria.ge/reports/200624-936pa426p2/

Behaviour

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Drops file in Windows directory

Suspicious use of SetThreadContext

Adds Run entry to start application

UPX packed file

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:	RAT_Xtreme Create hunting rule
Author:	Kevin Breen <kevin@techanarchy.net>
Description:	Detects Xtreme RAT
Reference:	http://malwareconfig.com/stats/Xtreme

Rule name:	suspicious_packer_section Create hunting rule
Author:	@j0sm1
Description:	The packer/protector section names/keywords
Reference:	http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

Rule name:	win_extreme_rat_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator

Rule name:	win_extreme_rat_w0 Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_
Description:	Xtrem RAT v3.5

Rule name:	Xtreme_Sep17_1 Create hunting rule
Author:	Florian Roth
Description:	Detects XTREME sample analyzed in September 2017
Reference:	Internal Research

File information

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

Cape

https://www.capesandbox.com/analysis/19416/

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