MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f230a396fdf98fb0a561e33d5fffcc3638531f2fa14b736faa449c459e05dab2. 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: 10

Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash:	f230a396fdf98fb0a561e33d5fffcc3638531f2fa14b736faa449c459e05dab2
SHA3-384 hash:	c8644213526a43f12de1e8dd88f5e24cabbe037a558a9f4cefc382f4725c9496b9800a21e3d443765023f3eb46e29729
SHA1 hash:	ae408511eaa58e12f6467caaa1de5e3e0862048f
MD5 hash:	087b76d7cdb6fd6b34f9625e67bec42e
humanhash:	social-equal-pasta-shade
File name:	ZdCDLe85.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	28'672 bytes
First seen:	2020-12-28 18:21:54 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	384:WLBdv8aZCfP8k4Xi2o+ZxD1KwzXYjQ/f9A8kU3lVhPLgNh0Bbr1oSszyLTHcXIRn:QVI38k4SKKwzoSFNlPcb0x15JueZ2+
Threatray	4 similar samples on MalwareBazaar
TLSH	48D2071AB3E58711C6AD07328536936303B1E217943AFB7F1CDA58E65F236908BC5BD2
Reporter	pmelson
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

385

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ZdCDLe85.exe

Verdict:

Suspicious activity

Analysis date:

2020-12-28 18:23:10 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/07980414-69fd-4c55-8537-f2fcc0bcba35

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/109607/

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Sending a custom TCP request

Sending a UDP request

Launching the default Windows debugger (dwwin.exe)

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.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/570955

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Connects to a pastebin service (likely for C&C)

Contains functionality to log keystrokes (.Net Source)

Detected njRat

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f230a396fdf98fb0a561e33d5fffcc3638531f2fa14b736faa449c459e05dab2/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2020-12-28 18:22:05 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6iykhfx57gh3bjlb4m6v776mgy4fghzpuffxg35kisoelhqf3kza._file

Verdict:

malicious

njrat

81337231c53d0927b5aaff1792d71b5f5270e268e1909267ad3bd79951e72642

njrat

9e17a9c1b1d0db2c9cd8fdf42c475712f8faaa68cb08bbff910a2927b910d88f

njrat

de129b85c2c4cd0e7d1817d2a8b3095d02ef8880f6273c88c0ff3cd48a9a9dd8

njrat

Result

Malware family:

n/a

Score:

6/10

Tags:

n/a

Link:

https://tria.ge/reports/201228-xh4nfjbaw2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

Legitimate hosting services abused for malware hosting/C2

Unpacked files

SH256 hash:

f230a396fdf98fb0a561e33d5fffcc3638531f2fa14b736faa449c459e05dab2

MD5 hash:

087b76d7cdb6fd6b34f9625e67bec42e

SHA1 hash:

ae408511eaa58e12f6467caaa1de5e3e0862048f

Detections:

win_njrat_g1

win_njrat_w1

Link:

https://www.unpac.me/results/78f5bf0b-f3da-406d-90f6-23f6fd3b8183/

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

Threat name:

NJRat

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f230a396fdf98fb0a561e33d5fffcc3638531f2fa14b736faa449c459e05dab2

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:	CN_disclosed_20180208_c Create hunting rule
Author:	Florian Roth
Description:	Detects malware from disclosed CN malware set
Reference:	https://twitter.com/cyberintproject/status/961714165550342146

Rule name:	Njrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect njRAT in memory

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

Rule name:	win_njrat_w1 Create hunting rule
Author:	Brian Wallace @botnet_hunter
Description:	Identify njRat

File information

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

Web download

njrat

exe f230a396fdf98fb0a561e33d5fffcc3638531f2fa14b736faa449c459e05dab2

(this sample)

Link

https://www.virustotal.com/gui/file/f230a396fdf98fb0a561e33d5fffcc3638531f2fa14b736faa449c459e05dab2/detection

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/109607/

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