MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d04df2cc01b68e655bdd0c7f0806fe2837afa989ac95a3b066ec9bef66e169ae. 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

njrat

Vendor detections: 11

Intelligence 11 IOCs 2 YARA 16 File information Comments 1

SHA256 hash:	d04df2cc01b68e655bdd0c7f0806fe2837afa989ac95a3b066ec9bef66e169ae
SHA3-384 hash:	52a5a9bda2ee1525db1b1e6950890d67b8422ca5b82bbe42c4a607514b93e3666a4ddb4d4968b4568b98cf45a70da696
SHA1 hash:	6f8dea25aca43c8d327efe65bd7ac8c4c75ea26e
MD5 hash:	5c0dec367a4e9093709e84687e3f8243
humanhash:	zulu-crazy-montana-sad
File name:	5C0DEC367A4E9093709E84687E3F8243.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	115'712 bytes
First seen:	2021-05-22 15:55:26 UTC
Last seen:	2021-05-22 16:01:20 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	51a1d638436da72d7fa5fb524e02d427 (124 x AveMariaRAT, 1 x njrat)
ssdeep	1536:h0jP7/L1B5rVmN8sxHv2M28ix8EUaJxWZoB4u0OVE01:K1VmhaH8EFvW+0OVE0
Threatray	869 similar samples on MalwareBazaar
TLSH	82B39E13F7E54835F3B201B01ABD7E7ACFEDF9700628849FA394858A2D31946E925397
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
91.109.178.11:5552

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
91.109.178.11:5552	https://threatfox.abuse.ch/ioc/57112/
91.109.178.11:6522	https://threatfox.abuse.ch/ioc/57113/

Intelligence

File Origin

# of uploads :

# of downloads :

271

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

5C0DEC367A4E9093709E84687E3F8243.exe

Verdict:

Malicious activity

Analysis date:

2021-05-22 16:04:11 UTC

Tags:

trojan rat stealer avemaria

Link:

https://app.any.run/tasks/68629a19-67f2-4606-9a14-4ec84a439578

Note:

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

Detection(s):

Win.Malware.AveMaria-8799014-1

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Creating a process with a hidden window

Launching cmd.exe command interpreter

DNS request

Connection attempt

Sending a UDP request

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

Unauthorized injection to a system process

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:

AveMaria

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/788700

Signature

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

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

Creates a thread in another existing process (thread injection)

Found malware configuration

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 sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Uses dynamic DNS services

Writes to foreign memory regions

Yara detected AveMaria stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

warzone

Link:

https://mwdb.cert.pl/sample/d04df2cc01b68e655bdd0c7f0806fe2837afa989ac95a3b066ec9bef66e169ae/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2021-05-18 20:49:00 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2bg7ftabw2hgkw65br7qqbx6fa327kmjvsk2hmdg5sn66zxbngxa._file

Verdict:

malicious

Label(s):

avemaria

Result

Malware family:

warzonerat

Score:

10/10

Tags:

family:warzonerat infostealer persistence rat

Link:

https://tria.ge/reports/210522-nnb1n928xx/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Adds Run key to start application

WarzoneRat, AveMaria

Malware Config

C2 Extraction:

4kr4m0.ddns.net:5200

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

Threat name:

Remcos

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/d04df2cc01b68e655bdd0c7f0806fe2837afa989ac95a3b066ec9bef66e169ae

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 Create hunting rule
Author:	@bartblaze
Description:	Identifies AveMaria aka WarZone RAT.

Rule name:	AveMaria_WarZone Create hunting rule

Rule name:	ave_maria_warzone_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	Chrome_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Chrome in files like avemaria

Rule name:	Cobalt_functions Create hunting rule
Author:	@j0sm1
Description:	Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT

Rule name:	Codoso_Gh0st_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Codoso APT Gh0st Malware
Reference:	https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks

Rule name:	Codoso_Gh0st_2 Create hunting rule
Author:	Florian Roth
Description:	Detects Codoso APT Gh0st Malware
Reference:	https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks

Rule name:	Email_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Email in files like avemaria

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:	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:	Ping_Del_method_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	cmd ping IP nul del

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

Rule name:	Stealer_word_in_memory Create hunting rule
Author:	James_inthe_box
Description:	The actual word stealer in memory

Rule name:	UAC_bypass_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	UAC bypass in files like avemaria

File information

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

No further information available

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-22 16:01:50 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [F0002.002] Collection::Polling
1) [B0030.002] Command and Control::Receive Data
2) [B0030.001] Command and Control::Send Data
3) [C0011.001] Communication Micro-objective::Resolve::DNS Communication
4) [C0002.006] Communication Micro-objective::Download URL::HTTP Communication
5) [C0003.001] Communication Micro-objective::Create Pipe::Interprocess Communication
6) [C0003.003] Communication Micro-objective::Read Pipe::Interprocess Communication
7) [C0001.004] Communication Micro-objective::Connect Socket::Socket Communication
8) [C0001.011] Communication Micro-objective::Create TCP Socket::Socket Communication
9) [C0001.010] Communication Micro-objective::Create UDP Socket::Socket Communication
10) [C0001.009] Communication Micro-objective::Initialize Winsock Library::Socket Communication
11) [C0001.006] Communication Micro-objective::Receive Data::Socket Communication
12) [C0001.007] Communication Micro-objective::Send Data::Socket Communication
13) [C0001.001] Communication Micro-objective::Set Socket Config::Socket Communication
14) [C0001.008] Communication Micro-objective::TCP Client::Socket Communication
15) [C0029.002] Cryptography Micro-objective::SHA1::Cryptographic Hash
16) [C0031] Cryptography Micro-objective::Decrypt Data
17) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
18) [C0027] Cryptography Micro-objective::Encrypt Data
19) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
20) [C0026.002] Data Micro-objective::XOR::Encode Data
21) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash
22) [F0004.008] Defense Evasion::Heavens Gate
24) [B0023] Execution::Install Additional Program
25) [C0045] File System Micro-objective::Copy File
26) [C0046] File System Micro-objective::Create Directory
27) [C0047] File System Micro-objective::Delete File
28) [C0051] File System Micro-objective::Read File
29) [C0052] File System Micro-objective::Writes File
30) [C0007] Memory Micro-objective::Allocate Memory
31) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
32) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
33) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
34) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
35) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
36) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
37) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
38) [C0042] Process Micro-objective::Create Mutex
39) [C0017] Process Micro-objective::Create Process
40) [C0038] Process Micro-objective::Create Thread
41) [C0018] Process Micro-objective::Terminate Process
42) [C0039] Process Micro-objective::Terminate Thread