MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 668aaf533c64c79626595e74fbd9c1169178b286bb0dfbfbab24ef5ac48f8647. 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: 13

Intelligence 13 IOCs 1 YARA 6 File information Comments

SHA256 hash:	668aaf533c64c79626595e74fbd9c1169178b286bb0dfbfbab24ef5ac48f8647
SHA3-384 hash:	90313050079723ece0fc3a35b4580e414728e270d06616d9895bc0975a267407239fb4dda965440a3d6d9884dfc8ec8d
SHA1 hash:	15e3b750243586c10df73f6bac38f5cb1044e008
MD5 hash:	93b5e69ea68c3abfe71fa119180f2c74
humanhash:	bluebird-nuts-johnny-pizza
File name:	bDC9.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	36'864 bytes
First seen:	2022-07-23 03:07:21 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'660 x Formbook, 12'251 x SnakeKeylogger)
ssdeep	384:FBJr6eSnfNzVWv/TsLUtvl8Xe+mzPLTCn2Ie2Ue/uOFodLtIanrEp0U:FRSnFGLso/8XTT21hnez
Threatray	100 similar samples on MalwareBazaar
TLSH	T114F2091837F28321C5DE17726962D31722F1E2136922E71E0CE5B8EA7A736850B48EF5
TrID	48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.6% (.SCR) Windows screen saver (13101/52/3) 6.9% (.EXE) Win64 Executable (generic) (10523/12/4) 4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter	pmelson
Tags:	exe NjRAT

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
185.140.53.159:5672	https://threatfox.abuse.ch/ioc/839091/

Intelligence

File Origin

# of uploads :

# of downloads :

307

Origin country :

n/a

Vendor Threat Intelligence

Detection:

njRat

Link:

https://www.capesandbox.com/analysis/293546/

Detection(s):

Win.Trojan.B-468

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for synchronization primitives

DNS request

Sending a custom TCP request

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

cmd.exe greyware keylogger njrat packed rat

Link:

https://www.filescan.io/uploads/62db66180e298a94f3f0f8d6/reports/0d078651-e655-48b5-8af4-cb2a8e5b9579/overview

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/8e1d321c-c424-4ad9-96f7-316af5edc8a0

Result

Threat name:

Njrat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1039573

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

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

Detected unpacking (overwrites its own PE header)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

Yara detected Generic Downloader

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/668aaf533c64c79626595e74fbd9c1169178b286bb0dfbfbab24ef5ac48f8647/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2022-07-23 03:08:05 UTC

File Type:

PE (.Net Exe)

AV detection:

23 of 26 (88.46%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=m2fk6uz4mtdzmjszlz2pxwobc2ixrmugxmg7x65letxvvrepqzdq._file

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:hacked suricata

Link:

https://tria.ge/reports/220723-dmwktsbfb5/

Behaviour

Suspicious use of AdjustPrivilegeToken

Legitimate hosting services abused for malware hosting/C2

suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

Malware Config

C2 Extraction:

https://pastebin.com/raw/r3JUBv96:5552

Unpacked files

SH256 hash:

668aaf533c64c79626595e74fbd9c1169178b286bb0dfbfbab24ef5ac48f8647

MD5 hash:

93b5e69ea68c3abfe71fa119180f2c74

SHA1 hash:

15e3b750243586c10df73f6bac38f5cb1044e008

Link:

https://www.unpac.me/results/3231cbcb-a735-4190-a135-ff81aa8b243b/

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

Threat name:

Malicious File

Score:

0.73

Link:

https://yomi.yoroi.company/submissions/668aaf533c64c79626595e74fbd9c1169178b286bb0dfbfbab24ef5ac48f8647

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_EXE_RawPaste_URL Create hunting rule
Author:	ditekSHen
Description:	Detects executables (downlaoders) containing URLs to raw contents of a paste

Rule name:	MALWARE_Win_NjRAT Create hunting rule
Author:	ditekSHen
Description:	Detects NjRAT / Bladabindi

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Unknown_Malware_Sample_Jul17_2 Create hunting rule
Author:	Florian Roth
Description:	Detects unknown malware sample with pastebin RAW URL
Reference:	https://goo.gl/iqH8CK

Rule name:	Unknown_Malware_Sample_Jul17_2_RID326D Create hunting rule
Author:	Florian Roth
Description:	Detects unknown malware sample with pastebin RAW URL
Reference:	https://goo.gl/iqH8CK