MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51a88ec38988b46095fdae57516afa6043dbbc67ec0ababc172d00111e9b7424. 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

BitRAT

Vendor detections: 9

Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash:	51a88ec38988b46095fdae57516afa6043dbbc67ec0ababc172d00111e9b7424
SHA3-384 hash:	77143bbd14029f4c9a91f292075b79670a2c341c84ee3e97f90bff7f61faa41aacb0956af017ca134fde9c27e222444b
SHA1 hash:	510f489522bb091534470028717f2f8aa20c5a1a
MD5 hash:	373419738d7f6cab9cbfce2fa48b6b09
humanhash:	idaho-december-oklahoma-zebra
File name:	XEROX_BIAT22.12.20.scr
Download:	download sample
Signature	BitRAT Create hunting rule
File size:	36'352 bytes
First seen:	2020-12-22 11:48:34 UTC
Last seen:	2020-12-22 14:24:20 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	768:nb77DlM0AizbhfvWGflvx/FIwJGunHPcXf:nb7XlM0LbhfP
Threatray	57 similar samples on MalwareBazaar
TLSH	19F276E9BFE409D7C5EFF5358C813C31B521B4FB1D514A2F548AA2E7E5C3182289B21A
Reporter	abuse_ch
Tags:	BitRAT RAT scr

abuse_ch

Malspam distributing BitRAT:

HELO: bsmtp.bon.at
Sending IP: 213.33.87.14
From: Biat<info@biat.com.tn>
Subject: PAIEMENT
Attachment: XEROX_BIAT22.12.20.gz (contains "XEROX_BIAT22.12.20.scr")

Intelligence

File Origin

# of uploads :

# of downloads :

269

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

XEROX_BIAT22.12.20.scr

Verdict:

Malicious activity

Analysis date:

2020-12-22 11:53:56 UTC

Tags:

trojan bitrat rat stealer

Link:

https://app.any.run/tasks/35ae1269-00a0-4e5e-91cb-8d50ece932a0

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/108831/

Detection(s):

SecuriteInfo.com.Variant.Bulz.278381.30034.30099.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Running batch commands

Creating a process with a hidden window

Launching a process

DNS request

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Creating a window

Setting a global event handler

Sending a custom TCP request

Enabling the 'hidden' option for recently created files

Sending an HTTP GET request

Deleting a recently created file

Replacing files

Creating a file in the %temp% directory

Reading critical registry keys

Enabling the 'hidden' option for files in the %temp% directory

Sending a TCP request to an infection source

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Setting a global event handler for the keyboard

Stealing user critical data

Enabling autorun by creating a file

Enabling autorun

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:

Unknown

Detection:

malicious

Classification:

n/a

Score:

52 / 100

Link:

https://www.joesandbox.com/analysis/568179

Signature

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/51a88ec38988b46095fdae57516afa6043dbbc67ec0ababc172d00111e9b7424/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-12-22 11:49:04 UTC

AV detection:

17 of 29 (58.62%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=kgui5q4jrc2gbfp5vzlvc2x2mbb5xpdh5qflvpaxfuabchu3oqsa._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

10/10

Tags:

persistence upx

Link:

https://tria.ge/reports/201222-efrpqqpeh2/

Behaviour

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Program crash

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Adds Run key to start application

Drops startup file

UPX packed file

ServiceHost packer

Modifies WinLogon for persistence

Unpacked files

SH256 hash:

51a88ec38988b46095fdae57516afa6043dbbc67ec0ababc172d00111e9b7424

MD5 hash:

373419738d7f6cab9cbfce2fa48b6b09

SHA1 hash:

510f489522bb091534470028717f2f8aa20c5a1a

Link:

https://www.unpac.me/results/e6627c65-0f87-4bba-8251-73c6c560204f/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.69

Link:

https://yomi.yoroi.company/submissions/51a88ec38988b46095fdae57516afa6043dbbc67ec0ababc172d00111e9b7424

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:	MALWARE_Win_BitRAT Create hunting rule
Author:	ditekSHen
Description:	Detects BitRAT RAT

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/