MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3ea819ddfabf3e2060d9f8116e0952654d5bcdb5716f84ad142a6ab979b521a. 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: 4

Intelligence 4 IOCs YARA 2 File information Comments

SHA256 hash:	b3ea819ddfabf3e2060d9f8116e0952654d5bcdb5716f84ad142a6ab979b521a
SHA3-384 hash:	ea2ddb641091af5cef852797f5bde9ee1b52f74072d94df21dd0d5b3788f7f228b39901820c89872d84d4f1c3b079c9e
SHA1 hash:	de58cf9775b284f447e8bd7748e7e3c8eb29e9fd
MD5 hash:	611abb0915c7ee36cfe13d1e866e2bbb
humanhash:	cardinal-friend-beryllium-ten
File name:	SecuriteInfo.com.Trojan.VbCrypt.250.21901.18776
Download:	download sample
Signature	njrat Create hunting rule
File size:	700'177 bytes
First seen:	2020-04-17 03:34:18 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	80eb3271b1099a61a9badb7390c744c6 (1 x QuasarRAT, 1 x njrat)
ssdeep	12288:C5Wg9hK4x098ZhxFNEU+r0g8ZX8Zigi8mcsugCvgSs3Qm:uhKiEUrgIcKCvgSsgm
Threatray	687 similar samples on MalwareBazaar
TLSH	F4E42D73B71E506BEDED38B00686B9062A263C0F3D5DE1967BCEF9548E3921A21C451F
Reporter	SecuriteInfoCom
Tags:	NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

111

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.VbCrypt.250.21901.18776.UNOFFICIAL

Gathering data

Threat name:

Win32.Trojan.Bladabindi

Status:

Malicious

First seen:

2020-04-17 08:04:13 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

27 of 31 (87.10%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wpvidho7vpz6ebqnt6arnyevezknlpg3k4lpqswriktkxf43kina._file

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

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

File information

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

Web download

njrat

exe b3ea819ddfabf3e2060d9f8116e0952654d5bcdb5716f84ad142a6ab979b521a

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/310863/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
VB_API	Legacy Visual Basic API used	MSVBVM60.DLL::__vbaSetSystemError MSVBVM60.DLL::__vbaExitProc MSVBVM60.DLL::__vbaObjSetAddref MSVBVM60.DLL::EVENT_SINK_AddRef MSVBVM60.DLL::__vbaPrintFile MSVBVM60.DLL::__vbaFileOpen

Comments

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