MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa9c31a09d58142f32bf306fbfc628d14467a68e05bb55ef5c2fde98b84b0688. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: aa9c31a09d58142f32bf306fbfc628d14467a68e05bb55ef5c2fde98b84b0688
SHA3-384 hash: a075039f7029ce30dc27dd948629b1320d66c70644618798ef07f3edff1a02f37add012d3d9b27dab50201eb0f7a5354
SHA1 hash: 53073c6a07c8e07645fc791b9c62ce274003f6fc
MD5 hash: 7f59c9e6705c0ff10089977639515673
humanhash: happy-gee-avocado-fix
File name:T_setup__V4.17.212.msi
Download: download sample
Signature njrat
File size:1'224'704 bytes
First seen:2026-04-17 12:03:47 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 24576:rbDObES4F4spC4yT+mTnmI53LTF6LFBqQ+H9seck1Scmm0RUnwF:P0HamTnm43LwCZ4m0Gnw
TLSH T15945334B23952650D60E4234AEA9E3B177346E4577E28A4A843FB1CC3DB1780D3D9EF9
TrID 86.8% (.MSI) Microsoft Windows Installer (454500/1/170)
11.6% (.MST) Windows SDK Setup Transform script (61000/1/5)
1.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter SquiblydooBlog
Tags:msi NjRAT signed

Code Signing Certificate

Organisation:TREY TROTTER
Issuer:Microsoft ID Verified CS AOC CA 04
Algorithm:sha384WithRSAEncryption
Valid from:2026-04-16T12:38:50Z
Valid to:2026-04-19T12:38:50Z
Serial number: 3300002432bf3e1810a9b250ac000000002432
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 0346170f9a252487cceb6dadcf0b1939d30c054d43dca84a512b2b618f32f804
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
93.3%
Tags:
trojan virus macro
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 CAB fingerprint fingerprint installer installer lolbin packed runonce short-lived-cert signed update wix
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.
Verdict:
Malicious
File Type:
msi
First seen:
2026-04-17T09:10:00Z UTC
Last seen:
2026-04-18T00:50:00Z UTC
Hits:
~10
Detections:
Trojan.PowerShell.Kryptik.v
Gathering data
Threat name:
Win32.Trojan.Rhysloader
Status:
Suspicious
First seen:
2026-04-17 12:04:38 UTC
File Type:
Binary (Archive)
Extracted files:
31
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware defense_evasion discovery execution persistence privilege_escalation ransomware spyware
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Windows directory
Adds Run key to start application
Enumerates connected drives
Hide Artifacts: Hidden Window
Network Share Discovery
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
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:Suspicious_Process
Author:Security Research Team
Description:Suspicious process creation
Rule name:WIN_FileFix_Detection
Author:dogsafetyforeverone
Description:Detects FileFix social engineering technique that launches chained PowerShell and PHP commands from file explorer typed paths
Reference:FileFix social engineering with PowerShell and PHP commands

File information


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

Comments