MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ff05f14a134b5bc60770b15cd326719052f1c4f42bf3d6aa7bfa47116a97877. 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: 16


Intelligence 16 IOCs YARA 26 File information Comments

SHA256 hash: 3ff05f14a134b5bc60770b15cd326719052f1c4f42bf3d6aa7bfa47116a97877
SHA3-384 hash: 46b6e3b45ed02cec76004b4a6113d079c69cb183a4730af05d4e26ffe8eba1cc49f38a376812772f47f5d9ffcc8eeea3
SHA1 hash: 6072cf2500b28bc404bd5fea2f3e43cb56a8f322
MD5 hash: 6ed909bf08d75276f27eb9b39a1bc2bb
humanhash: blue-mexico-stairway-louisiana
File name:Client.exe
Download: download sample
Signature njrat
File size:976'896 bytes
First seen:2026-03-01 01:11:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'742 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 24576:OXUe+xJzck+uGW/yFoBkkAQ2L14AufM5yP+J:OXUe+TYjqqanT9tMYP+
Threatray 276 similar samples on MalwareBazaar
TLSH T17B25C09173F4860AE1FF1B75E4B249084BB7B9529A36DB4F0D8890ED1EB37408E117A7
TrID 63.0% (.RLL) Microsoft Resource Library (x86) (177572/6/26)
25.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.3% (.EXE) Win64 Executable (generic) (6522/11/2)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter BastianHein
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
150
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client.exe
Verdict:
Malicious activity
Analysis date:
2026-03-01 00:37:17 UTC
Tags:
evasion rat pulsar crypto-regex stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect emotet quasar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 cmd cscript evasive explorer fingerprint hacktool keylogger lolbin msbuild mshta obfuscated packed privilege quasar reconnaissance redline regasm regsvcs rundll32 runonce schtasks stack_pickle unsafe update
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
Detections:
Backdoor.PulsarRAT.TCP.C&C Trojan-PSW.MSIL.Agent.sb Trojan.MSIL.Agent.sb HEUR:Trojan-Banker.MSIL.ClipBanker.gen HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Convagent.gen Backdoor.MSIL.PulsarRAT.sb
Verdict:
inconclusive
YARA:
16 match(es)
Tags:
.Net Executable Fody/Costura Packer Html Managed .NET PDB Path PE (Portable Executable) PE File Layout 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
Threat name:
ByteCode-MSIL.Hacktool.Aikaantivm
Status:
Malicious
First seen:
2026-03-01 00:38:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
24 of 36 (66.67%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar spyware trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Quasar RAT
Quasar family
Quasar payload
Unpacked files
SH256 hash:
3ff05f14a134b5bc60770b15cd326719052f1c4f42bf3d6aa7bfa47116a97877
MD5 hash:
6ed909bf08d75276f27eb9b39a1bc2bb
SHA1 hash:
6072cf2500b28bc404bd5fea2f3e43cb56a8f322
Detections:
QuasarRAT
Malware family:
QuasarRAT
Verdict:
Malicious
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:Check_Dlls
Rule name:Check_VBox_Guest_Additions
Rule name:Check_VmTools
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
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
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MAL_BackNet_Nov18_1
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Pulsar_RAT
Author:@bartblaze
Description:Identifies Pulsar RAT, based on Quasar RAT.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.pulsar_rat
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Comments