MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 586d1a857c5a8c41192992c4eb6cf61810e5d7289e761369ff2ac25f173d052d. 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 1 File information Comments

SHA256 hash:	586d1a857c5a8c41192992c4eb6cf61810e5d7289e761369ff2ac25f173d052d
SHA3-384 hash:	1c5b1e1b252bc66e5158ce5831eb7f1bfabf6e18cc7c52ec15ffbc2ec71ddb3a8fd7dcc4773d14b9339601f5a9f17e45
SHA1 hash:	1a987e80013f3219f88d6a2f108e5ea599fffbd8
MD5 hash:	0880d7c3264836b832c0b00fb263028a
humanhash:	failed-avocado-neptune-florida
File name:	ahmad.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	362'496 bytes
First seen:	2021-05-06 14:07:17 UTC
Last seen:	2021-05-06 15:20:16 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	3072:YX+cFkdvMIqD02vu1i3OJramk4JEj3mL6aG0A3QcxA9eKJ/xr+VBFaI1YIYihee/:DrE3VWkoEG0gORKJZrMBgkSOG9iO2RK
Threatray	759 similar samples on MalwareBazaar
TLSH	9F745BCE32979EC7C54408B5A593C13C03B3ED976272E3863C71779EDE612AA4B926C1
Reporter	starsSk87264403
Tags:	NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

153

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Njrat

Link:

https://www.capesandbox.com/analysis/151666/

Detection(s):

SecuriteInfo.com.Variant.Ursu.714229.6587.19621.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

DNS request

Sending a custom TCP request

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.

Result

Threat name:

Njrat

Detection:

malicious

Classification:

troj.evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/714165

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/586d1a857c5a8c41192992c4eb6cf61810e5d7289e761369ff2ac25f173d052d/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-04-09 06:45:00 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=lbwrvbl4lkgecgjjslcow3hwdaiolvzitz3bg2p7flbf6fz5auwq._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/210506-haz4htck3s/

Behaviour

Suspicious use of AdjustPrivilegeToken

Unpacked files

SH256 hash:

586d1a857c5a8c41192992c4eb6cf61810e5d7289e761369ff2ac25f173d052d

MD5 hash:

0880d7c3264836b832c0b00fb263028a

SHA1 hash:

1a987e80013f3219f88d6a2f108e5ea599fffbd8

Link:

https://www.unpac.me/results/e03c01d6-db89-40eb-a833-b4352cb1c9f3/

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/586d1a857c5a8c41192992c4eb6cf61810e5d7289e761369ff2ac25f173d052d

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