MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ce2b05633f8e0ffb7263a57069c62fd75b13dc48ff40daeae57a409a4d7f99b. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	4ce2b05633f8e0ffb7263a57069c62fd75b13dc48ff40daeae57a409a4d7f99b
SHA3-384 hash:	64598d3fa765ffdf14e634394f872fd0ab8e115c648ef63dc8f4b85eb680c4165f56d3e677b57f4cba39d68d5404afa3
SHA1 hash:	0c0a8449bef602385f93cb28cfd1d0b70c93787a
MD5 hash:	cfc65a9cf2fb99f5961ea4c8b797d38b
humanhash:	nineteen-wolfram-uncle-finch
File name:	cfc65a9cf2fb99f5961ea4c8b797d38b
Download:	download sample
Signature	njrat Create hunting rule
File size:	994'816 bytes
First seen:	2021-06-14 12:43:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep	12288:ZCB50zWlMYEManwgYDFjTLMh1yLNnZEypI1M4ioIgYwZkCmz1zrgMg9VCZ6vhTC9:05llMYEManwgMjTLMh1q7EnR7Xmp+
Threatray	20 similar samples on MalwareBazaar
TLSH	CA25399D3650B2DFC857C972CA981C64EBA0787B930BE743A05316ECAA4D997CF141F2
Reporter	zbetcheckin
Tags:	32 exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

451

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

cfc65a9cf2fb99f5961ea4c8b797d38b

Verdict:

Malicious activity

Analysis date:

2021-06-14 12:47:17 UTC

Tags:

trojan rat njrat bladabindi

Link:

https://app.any.run/tasks/ea78c8de-a5de-4f1b-9c99-f2b3211e4a0a

Note:

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

Detection(s):

SecuriteInfo.com.ArtemisCFC65A9CF2FB.11789.28385.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

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:

njRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/fd25e9e4-252b-4400-8794-56aa00038bc0

Result

Threat name:

Njrat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/801801

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

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

Sigma detected: Suspicious Process Start Without DLL

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AntiVM3

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4ce2b05633f8e0ffb7263a57069c62fd75b13dc48ff40daeae57a409a4d7f99b/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-06-14 11:37:24 UTC

AV detection:

19 of 29 (65.52%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jtrlavrt7dqp7nzghjlqnhdc7v23cpoer72a3lvok6satjgx7gnq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

n/a

Link:

https://tria.ge/reports/210614-f832dhz7m6/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Drops startup file

Unpacked files

SH256 hash:

82fe42ffa7c2160c4ba79b666ba52f6dce210e0be5cbbb1419ddf3058215568b

MD5 hash:

a7c717e07a9e8fc3408914687859cf8a

SHA1 hash:

862f0e3f4f99c7674a540327ba08792e8a6cf5a1

Link:

https://www.unpac.me/results/13aa2743-2b1b-4eea-9c0d-836e14bbdcbf/

SH256 hash:

4ce2b05633f8e0ffb7263a57069c62fd75b13dc48ff40daeae57a409a4d7f99b

MD5 hash:

cfc65a9cf2fb99f5961ea4c8b797d38b

SHA1 hash:

0c0a8449bef602385f93cb28cfd1d0b70c93787a

Link:

https://www.unpac.me/results/13aa2743-2b1b-4eea-9c0d-836e14bbdcbf/

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/4ce2b05633f8e0ffb7263a57069c62fd75b13dc48ff40daeae57a409a4d7f99b

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:	INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu Create hunting rule
Author:	ditekSHen
Description:	Detect executables with stomped PE compilation timestamp that is greater than local current time