MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe4ac58f37f9a49960cdd331a74ceabc5a504e6e87669d668b20d14ffae27ce9. 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 5 File information Comments

SHA256 hash:	fe4ac58f37f9a49960cdd331a74ceabc5a504e6e87669d668b20d14ffae27ce9
SHA3-384 hash:	7c9c002c5593552c9fb5615e55d08d9164ed559b1aec0b547a4d0975381b521c65f70718494a0159d323fd175a620704
SHA1 hash:	f34cc01a46cfaac3aef564b4ce8bb96333c1fd30
MD5 hash:	48e926462d48c9d21f9772c3a94af456
humanhash:	august-west-december-red
File name:	fe4ac58f37f9a49960cdd331a74ceabc5a504e6e87669d668b20d14ffae27ce9
Download:	download sample
Signature	njrat Create hunting rule
File size:	437'864 bytes
First seen:	2020-11-10 11:00:00 UTC
Last seen:	2024-07-24 23:28:24 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep	12288:aYV6MorX7qzuC3QHO9FQVHPF51jgcNGeRG9FG:JBXu9HGaVHNGG+G
Threatray	1'022 similar samples on MalwareBazaar
TLSH	CB9412D17FED9619E0F21BB1ED3AA0605822BCA2DE38D74D2154BA5D6D31F90CC62332
Reporter	seifreed
Tags:	NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

PUA.Win.Packer.Upolyx-12

Win.Malware.Autoit-6968584-1

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file

Enabling the 'hidden' option for recently created files

Launching a process

Creating a process with a hidden window

DNS request

Launching the process to change the firewall settings

Enabling autorun by creating a file

Unauthorized injection to a system process

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.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fe4ac58f37f9a49960cdd331a74ceabc5a504e6e87669d668b20d14ffae27ce9/

Threat name:

Win32.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2020-11-10 11:01:34 UTC

AV detection:

27 of 29 (93.10%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7zfmldzx7gsjsygn2my2othkxrnfattoq5tj2zulediu76xcptuq._file

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat evasion persistence trojan upx

Link:

https://tria.ge/reports/201110-nrznrf2zjn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Modifies service

Suspicious use of SetThreadContext

Drops startup file

Modifies Windows Firewall

njRAT/Bladabindi

Unpacked files

SH256 hash:

fe4ac58f37f9a49960cdd331a74ceabc5a504e6e87669d668b20d14ffae27ce9

MD5 hash:

48e926462d48c9d21f9772c3a94af456

SHA1 hash:

f34cc01a46cfaac3aef564b4ce8bb96333c1fd30

Link:

https://www.unpac.me/results/ec0ba936-fa6d-4164-a321-be0fa90d7e17/

SH256 hash:

e11352e17e436df02ca9727b4bfe0b35c84f5312994ba82e317168dc563c732c

MD5 hash:

6666fd5b54368156fa30a8dbeeed1fc2

SHA1 hash:

ee7b86a9418117b4d7bfe77d6d0b3e28260897f5

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/ec0ba936-fa6d-4164-a321-be0fa90d7e17/

Parent samples :

fe4ac58f37f9a49960cdd331a74ceabc5a504e6e87669d668b20d14ffae27ce9
0740ff92adebf32666b8be1b03ca66d0b99c8c9b2ce332480b26b202c54efb72

SH256 hash:

67a117d7605af7afe46f4486d9fa02e80860eb88b28f83ae167fd0ccbdfd5209

MD5 hash:

a075acb3feb69e54e8d1dd4eb73b1eeb

SHA1 hash:

0ecb2980d2257bc24cb17edfd371f0702b74a163

Link:

https://www.unpac.me/results/ec0ba936-fa6d-4164-a321-be0fa90d7e17/

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

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

Rule name:	suspicious_packer_section Create hunting rule
Author:	@j0sm1
Description:	The packer/protector section names/keywords
Reference:	http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

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.

Delivery method

Other

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