MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3. 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: 14

Intelligence 14 IOCs YARA 49 File information Comments

SHA256 hash:	f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3
SHA3-384 hash:	def6bdd9fa5eb4932ec8bd038620f6ec0acc0b46afdc303b86f22ba43451e9e59efe8242b179acaf36a54a9fb7530838
SHA1 hash:	0b5b4068a15da764818a5f92555f711a8c8efcb5
MD5 hash:	bd1e9504f8c3381e37afa26f6cdd895c
humanhash:	ink-hamper-blue-north
File name:	ALZAMLH QUOTATION_A07501-20260226.pdf(82KB).com
Download:	download sample
Signature	njrat Create hunting rule
File size:	808'960 bytes
First seen:	2026-02-26 16:43:07 UTC
Last seen:	2026-02-26 17:24:14 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'838 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep	12288:vjNiMwPOzVkvg55TiUKsdrwYHPMppeTtRExgxWQMXxVqKAC+H7Qxup3jl:cW5QUlFRvMDeTr+uaLpANMOj
Threatray	3 similar samples on MalwareBazaar
TLSH	T1680502582755C912D97567381BB1F3B823BC5DEEA911E3178FC8BDE7B9A2B114C08283
TrID	73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
Reporter	BastianHein
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

152

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/8a0cf9c5-fc20-4bf3-8e1a-9df884f15b7a/

Malware family:

n/a

ID:

File name:

26022026_1534_25022026_ALZAMLHQUOTATION_A07501-20260226.pdf82KB.lha

Verdict:

No threats detected

Analysis date:

2026-02-26 15:40:30 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/c5a31880-17f0-4adb-bd7d-208eeab8a85c

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/54726/

Detection(s):

SecuriteInfo.com.Trojan.Siggen32.26825.19033.68.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69a0696cc950ab5d9ab1db68

Tags:

obfuscate xtreme virus

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/69a0782697feb4afd65d3bba/reports/71635a65-88b8-4fcc-a0bf-e194691a9c5e/overview

Verdict:

Malicious

Labled as:

Genie.8DN.Generic

Link:

https://www.hybrid-analysis.com/sample/f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3

Verdict:

Malicious

File Type:

exe x32

Detections:

Backdoor.Agent.TCP.C&C PDM:Trojan.Win32.Generic PDM:Exploit.Win32.Generic Email-Worm.LovGate.TCP.C&C Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb HEUR:Backdoor.MSIL.Remcos.gen Trojan-Downloader.Win32.PsDownload.sb Trojan.APosT.UDP.C&C Backdoor.Androm.HTTP.C&C HackTool.ReconScan.TCP.ServerRequest

Link:

https://opentip.kaspersky.com/f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d9711df0-0651-4d3a-9244-2e7ce1f6fe3d

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3/

Threat name:

ByteCode-MSIL.Backdoor.Androm

Status:

Malicious

First seen:

2026-02-25 12:10:31 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7g2vq35kzqyut2gmbs6zec63r5mkn2fvppjkzpuscx3bzxjouorq._file

Verdict:

malicious

Label(s):

remcos

xworm

quasarrat

phantomstealer

njrat

error

njrat

Result

Malware family:

xworm

Score:

10/10

Tags:

family:phantom_stealer family:quasar family:remcos family:xworm botnet:2026 botnet:spain2 collection defense_evasion discovery execution persistence rat spyware stealer trojan

Link:

https://tria.ge/reports/260226-t8cylshw4g/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

outlook_office_path

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Time Discovery

Drops file in Program Files directory

Drops file in Windows directory

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Adds Run key to start application

Looks up external IP address via web service

Obfuscated Files or Information: Command Obfuscation

Checks computer location settings

Drops startup file

Executes dropped EXE

Reads user/profile data of web browsers

Badlisted process makes network request

Downloads MZ/PE file

Detect Xworm Payload

Detects PhantomStealer payload

PhantomStealer

Phantom_stealer family

Quasar RAT

Quasar family

Quasar payload

Remcos

Remcos family

Xworm

Xworm family

Malware Config

C2 Extraction:

rency.ydns.eu:2404
wqo9.firewall-gateway.de:4045
code1.ydns.eu:9302
twart.myfirewall.org:9792
rency.ydns.eu:5287
wqo9.firewall-gateway.de:8841
code1.ydns.eu:5287
wqo9.firewall-gateway.de:9792

Unpacked files

SH256 hash:

f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3

MD5 hash:

bd1e9504f8c3381e37afa26f6cdd895c

SHA1 hash:

0b5b4068a15da764818a5f92555f711a8c8efcb5

Link:

https://www.unpac.me/results/0c3fc97d-42cf-413e-b702-8acc5831b791/

SH256 hash:

19014a290001ef2ea92a5f0bdeb5fefbb4aff3fcee0f22d397a36e42b86a1a86

MD5 hash:

17f859c4dbe30fbf2848b08806bbc7b8

SHA1 hash:

0a0d577cea8068438763097f4fc991c43eadaf6e

Link:

https://www.unpac.me/results/0c3fc97d-42cf-413e-b702-8acc5831b791/

SH256 hash:

51fc41810acbef5264e911ff9bd80c0f178dc26d0e2141bd0e3547a7ee25757d

MD5 hash:

d0b317499b5959c388ecd4c29bdc4eec

SHA1 hash:

506e8eb01129ca2aa6e5185e89bd1e4e1366ba70

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/0c3fc97d-42cf-413e-b702-8acc5831b791/

SH256 hash:

9b4dca0ba5befef4c07dd4e073c315d4730fe978e59f9e2448b6729b4ae5d451

MD5 hash:

e29309264f83ddf48762b9a0c22739d9

SHA1 hash:

572e83d70e4db03a16a02d20b1f4088793476079

Link:

https://www.unpac.me/results/0c3fc97d-42cf-413e-b702-8acc5831b791/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f9b5586faacc/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

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:	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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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

Rule name:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

Rule name:	INDICATOR_SUSPICIOUS_GENInfoStealer Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing common artifacts observed in infostealers

Rule name:	Lumma_Stealer_Detection Create hunting rule
Author:	ashizZz
Description:	Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:	https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/

Rule name:	MALWARE_Win_QuasarStealer Create hunting rule
Author:	ditekshen
Description:	Detects Quasar infostealer

Rule name:	MAL_QuasarRAT_May19_1 Create hunting rule
Description:	Detects QuasarRAT malware

Rule name:	MAL_QuasarRAT_May19_1_RID2E1E Create hunting rule
Author:	Florian Roth
Description:	Detects QuasarRAT malware
Reference:	https://blog.ensilo.com/uncovering-new-activity-by-apt10

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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_detect_tls_callbacks Create hunting rule

Rule name:	pe_imphash Create hunting rule

Rule name:	quasarrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	quasarrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RC6_Constants Create hunting rule
Author:	chort (@chort0)
Description:	Look for RC6 magic constants in binary
Reference:	https://twitter.com/mikko/status/417620511397400576

Rule name:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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)

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

Rule name:	Windows_Generic_Threat_803feff4 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Remcos_921ef449 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Remcos_b296e965 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set

Rule name:	win_quasar_rat_client Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in Quasar Rat Samples.

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.remcos.

Rule name:	win_remcos_rat_unpacked Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	win_remcos_w0 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	yarahub_win_remcos_rat_unpacked_aug_2023 Create hunting rule
Author:	Matthew @ Embee_Research

File information

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

Cape

https://www.capesandbox.com/analysis/54726/

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