MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f37c4e79d72c48098834406da459352c8ed7c3f992aa3eb4bb1f2f7f57142a5. 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

AveMariaRAT

Vendor detections: 15

Intelligence 15 IOCs YARA 13 File information Comments 1

SHA256 hash:	4f37c4e79d72c48098834406da459352c8ed7c3f992aa3eb4bb1f2f7f57142a5
SHA3-384 hash:	d00623a0814fde06ff1497c99204be231e48810b391fb8a8a621d0cd35a6dc9dc2d68e16d7cd16c8f3c77f6e268859fd
SHA1 hash:	2bc483b6c46b92c9d8c6cd7c023de06d7b018346
MD5 hash:	43c9d95d232d738365e86f2fb75d2b55
humanhash:	virginia-april-nitrogen-nineteen
File name:	43c9d95d232d738365e86f2fb75d2b55
Download:	download sample
Signature	AveMariaRAT Create hunting rule
File size:	156'160 bytes
First seen:	2022-09-13 18:46:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	b9494f92817e4dfbe294ad842e8f1988 (37 x AveMariaRAT)
ssdeep	3072:4NLOpnhTdOw9YAJOzIY9gVl01T2ENipdDg0z5:4NLYdT97JSIFl0QENqF
TLSH	T146E37C327BE188B9E6F6013109F53F39CBBDF53111208AAB63905A468D37ACDE955783
TrID	32.2% (.EXE) Win64 Executable (generic) (10523/12/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4505/5/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	zbetcheckin
Tags:	32 AveMariaRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

359

Origin country :

n/a

Vendor Threat Intelligence

Detection:

WarzoneRAT

Link:

https://www.capesandbox.com/analysis/309844/

Detection(s):

Win.Malware.AveMaria-8799014-1

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file

Creating a process from a recently created file

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/37590/overview

Behaviour

MalwareBazaar

CheckCmdLine

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.

Malware family:

AVE_MARIA

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8e3cd2b3-d0ab-4c65-b23f-dae22d539222

Result

Threat name:

AveMaria

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1069771

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Contains functionality to hide user accounts

Contains functionality to inject threads in other processes

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal e-mail passwords

Hides that the sample has been downloaded from the Internet (zone.identifier)

Increases the number of concurrent connection per server for Internet Explorer

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

Yara detected AveMaria stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

warzone

Link:

https://mwdb.cert.pl/sample/4f37c4e79d72c48098834406da459352c8ed7c3f992aa3eb4bb1f2f7f57142a5/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2022-09-13 13:43:44 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 26 (92.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=j434jz45olcibgediqdnurmtkleo27b7tevkh22lwhzpp5lriksq._file

Verdict:

malicious

Label(s):

avemaria

Result

Malware family:

warzonerat

Score:

10/10

Tags:

family:warzonerat infostealer rat

Link:

https://tria.ge/reports/220913-xe8d7scbgk/

Behaviour

Suspicious use of WriteProcessMemory

Loads dropped DLL

Executes dropped EXE

WarzoneRat, AveMaria

Malware Config

C2 Extraction:

146.70.143.154:5200

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/b0fa59bf-c17e-4121-a5cc-45e5d2fc3d7e

Unpacked files

SH256 hash:

4f37c4e79d72c48098834406da459352c8ed7c3f992aa3eb4bb1f2f7f57142a5

MD5 hash:

43c9d95d232d738365e86f2fb75d2b55

SHA1 hash:

2bc483b6c46b92c9d8c6cd7c023de06d7b018346

Detections:

Warzone

win_ave_maria_auto

win_ave_maria_g0

Link:

https://www.unpac.me/results/c64a5c12-d8c7-435c-b861-e8187cdc1ca0/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4f37c4e79d72c48098834406da459352c8ed7c3f992aa3eb4bb1f2f7f57142a5

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:	AveMaria_WarZone Create hunting rule

Rule name:	HeavensGate Create hunting rule
Author:	kevoreilly
Description:	Heaven's Gate: Switch from 32-bit to 64-mode

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding command execution via IExecuteCommand COM object

Rule name:	MALWARE_Win_AveMaria Create hunting rule
Author:	ditekSHen
Description:	AveMaria variant payload

Rule name:	MALWARE_Win_WarzoneRAT Create hunting rule
Author:	ditekSHen
Description:	Detects AveMaria/WarzoneRAT

Rule name:	MAL_Envrial_Jan18_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	MAL_Envrial_Jan18_1_RID2D8C Create hunting rule
Author:	Florian Roth
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

Rule name:	pdb_YARAify Create hunting rule
Author:	@wowabiy314
Description:	PDB

Rule name:	RDPWrap Create hunting rule
Author:	@bartblaze
Description:	Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:	https://github.com/stascorp/rdpwrap