MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b. 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: 18

Intelligence 18 IOCs YARA 25 File information Comments

SHA256 hash:	e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b
SHA3-384 hash:	360f2c0b8f7b53370cb7364fc21e762633304a0781c832ffc950a36f4df487e022194aae9d842d4acc26ccc351dcba0f
SHA1 hash:	8a0a359d94e7a246ac512b5f3ab961d841f77b73
MD5 hash:	6b3ece7d3ea9cc5fb1c67cfe5657e05d
humanhash:	east-sixteen-mississippi-autumn
File name:	file
Download:	download sample
Signature	njrat Create hunting rule
File size:	974'848 bytes
First seen:	2025-11-15 23:52:11 UTC
Last seen:	2025-11-15 23:54:26 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	24576:iF/pVxJzck+uGW/yFoBkkAQrkx+BNrmgSA:iF/pVTYjqqanTrsgrmd
Threatray	107 similar samples on MalwareBazaar
TLSH	T14825D09573F4860BE1FF2B75A47248490BB7F5539936D74F0988A0AE1EB37808E117A3
TrID	62.2% (.RLL) Microsoft Resource Library (x86) (177572/6/26) 25.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 3.6% (.EXE) Win64 Executable (generic) (10522/11/4) 2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	Bitsight
Tags:	dropped-by-amadey exe fbf543 NjRAT

Bitsight

url: http://178.16.55.189/files/7425234736/UKqea9p.exe

Intelligence

File Origin

# of uploads :

# of downloads :

159

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Suspicious activity

Analysis date:

2025-11-15 23:54:16 UTC

Tags:

evasion crypto-regex pulsar rat

Link:

https://app.any.run/tasks/327ce9dd-4457-486d-91e4-73d33c45a1bc

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/38321/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Bulz-9933026-0

Win.Malware.Generic-6623004-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69191237bdb0ec3a9dc21cc6

Tags:

vmdetect emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Connection attempt to an infection source

Sending a TCP request to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm anti-vm base64 cmd cscript evasive explorer fingerprint hacktool lolbin msbuild mshta obfuscated packed privilege quasarrat reconnaissance regasm regsvcs rundll32 runonce schtasks stack_pickle update

Link:

https://www.filescan.io/uploads/691912346b39255366bf727d/reports/8ab4f27d-72ec-4f43-8aeb-25a5209b0c01/overview

Verdict:

Malicious

Labled as:

HackTool[VirTool]/MSIL.Aikaantivm

Link:

https://www.hybrid-analysis.com/sample/e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-15T21:06:00Z UTC

Last seen:

2025-11-16T10:19:00Z UTC

Hits:

~10

Detections:

Trojan-PSW.MSIL.Agent.sb Trojan.MSIL.Quasar.a Trojan.MSIL.Agent.sb HEUR:Trojan-Banker.MSIL.ClipBanker.gen HEUR:Trojan.Win32.Generic

Link:

https://opentip.kaspersky.com/e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b03c605f-e934-419a-b4f1-97aa2289a3a1

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b

Verdict:

njRat

YARA:

16 match(es)

Tags:

.Net Executable Fody/Costura Packer Html Managed .NET njRat PDB Path PE (Portable Executable) PE File Layout RAT SOS: 0.14 SOS: 0.15 SOS: 0.17 SOS: 0.18 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.61 Win 32 Exe x86

Link:

https://app.malva.re/file/6b3ece7d3ea9cc5fb1c67cfe5657e05d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b/

Verdict:

Malicious

Threat:

Family.QUASAR

Link:

https://tip.neiki.dev/file/e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b

Threat name:

ByteCode-MSIL.Hacktool.Aikaantivm

Status:

Malicious

First seen:

2025-11-15 23:52:19 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

29 of 38 (76.32%)

Threat level:

1/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=42s3ex3jbdpsqewxpynqoh3raaxk4hdfqtnjdo5vohihhqxmfrvq._file

Verdict:

malicious

Label(s):

quasarrat

njrat

2b782927fc933eae5dcc58fe16cd941d2c29bf9dd3f89f0d69af73404abaef70

njrat

3df1c2d8cb6357dec23ffe7083d6058c300419519ee7b34efcfba3a0384ea08b

njrat

5796230cdd9dac9064551b7e0aeecd62ff2c25808dfe854e774c54815f66c741

njrat

9dfb214ab255d443607901cff10b94d1c4a5da6605968c254875d423b8ab8b71

njrat

e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b

njrat

error

njrat

+ 97 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar spyware trojan

Link:

https://tria.ge/reports/251115-3wwdvsen4s/

Behaviour

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Quasar RAT

Quasar family

Quasar payload

Verdict:

Malicious

Tags:

red_team_tool rat quasar_rat backdoor backnet Win.Malware.Generic-9883083-0

YARA:

HKTL_EXE_AlKhaser_Jul_01 malware_windows_quasarrat MAL_BackNet_Nov18_1

Link:

https://app.threat.zone/submission/b04090e3-a56a-4652-988e-63904eb7a757

Unpacked files

SH256 hash:

e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b

MD5 hash:

6b3ece7d3ea9cc5fb1c67cfe5657e05d

SHA1 hash:

8a0a359d94e7a246ac512b5f3ab961d841f77b73

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/aa77c704-6865-4dbc-a71a-76d1aa763bbc/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/e6a5b25f6908/report/overview.html

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

Threat name:

Malicious File

Score:

0.77

Link:

https://yomi.yoroi.company/submissions/e6a5b25f6908df2812d77e1b071f71002eae1c6584da91bbb571d073c2ec2c6b

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:	Check_Dlls Create hunting rule

Rule name:	Check_VBox_Guest_Additions Create hunting rule

Rule name:	Check_VmTools Create hunting rule

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_EXE_Packed_Fody Create hunting rule
Author:	ditekSHen
Description:	Detects executables manipulated with Fody

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	MAL_BackNet_Nov18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects BackNet samples
Reference:	https://github.com/valsov/BackNet

Rule name:	MAL_BackNet_Nov18_1_RID2D6D Create hunting rule
Author:	Florian Roth
Description:	Detects BackNet samples
Reference:	https://github.com/valsov/BackNet

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)