MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1adf26633c17278c9b930529b164637a8942cbb1f3267afafec63b56de51dd96. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1adf26633c17278c9b930529b164637a8942cbb1f3267afafec63b56de51dd96
SHA3-384 hash: 3c4195443c06226e28d7e68bc2ef04ab2d277c508ff41fb8a60846cc3abbe11529f6ce0ed8dd7f7b25a8460dfe5919a2
SHA1 hash: 878b50a51f28a78ab4350d0c8b327c8172301de6
MD5 hash: a668cb93c16026b6ee15b96dbd13d64f
humanhash: ack-uranus-two-monkey
File name:Botkiller.exe
Download: download sample
Signature njrat
Create hunting rule
File size:167'424 bytes
First seen:2024-07-22 04:41:11 UTC
Last seen:2024-07-22 11:03:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:z6JM/iN8vLfG+EZm0jNJmG2F00EfqADbugtWlHn:z6A0BJmGa0HiibeH
TLSH T19DF33B9AB78A8B10E57D0C71D0EF5A3003F19E835533E2CA2E84789D9E122E65D4D7DB
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter lontze7
Tags:NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
163
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Win.Packed.Razy-9960873-0
Create hunting rule

Win.Packed.Barys-6880522-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669de31d2f6eaff4b90f1d45
Tags:
Execution Generic Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Moving a file to the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a window
Searching for synchronization primitives
Connection attempt
Launching a tool to kill processes
Unauthorized injection to a recently created process
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd eventvwr explorer hook keylogger lolbin lolbin net_reactor njrat obfuscated packed schtasks vbnet wscript wscript
Link:
https://www.filescan.io/uploads/669de31cf1068d66afc00f0b/reports/231fa6b7-543d-42c2-a090-fe1f26beb65e/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/1adf26633c17278c9b930529b164637a8942cbb1f3267afafec63b56de51dd96
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
Link:
https://analyze.intezer.com/analyses/a93f1b94-aa0c-4367-b5f6-71d60c32e8ef
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1477924
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Disables zone checking for all users
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1477924 Sample: Botkiller.exe Startdate: 22/07/2024 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 8 other signatures 2->43 8 Botkiller.exe 1 6 2->8         started        process3 file4 31 C:\Users\user\AppData\Roaming\Botkiller.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...\Botkiller.exe.log, ASCII 8->33 dropped 11 Botkiller.exe 2 5 8->11         started        15 taskkill.exe 1 8->15         started        17 taskkill.exe 1 8->17         started        process5 dnsIp6 35 45.83.207.67, 52550, 52553, 52554 CLOUVIDERClouvider-GlobalASNGB Netherlands 11->35 45 Antivirus detection for dropped file 11->45 47 Multi AV Scanner detection for dropped file 11->47 49 Machine Learning detection for dropped file 11->49 51 2 other signatures 11->51 19 taskkill.exe 1 11->19         started        21 taskkill.exe 1 11->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        signatures7 process8 process9 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1adf26633c17278c9b930529b164637a8942cbb1f3267afafec63b56de51dd96
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1adf26633c17278c9b930529b164637a8942cbb1f3267afafec63b56de51dd96/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2024-07-22 04:42:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dlpsmyz4c4tyzg4tauu3czddpkeufs5r6mthv6x6yy5vnxsr3wla._file
Verdict:
malicious
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat trojan
Link:
https://tria.ge/reports/240722-fbnryszbkj/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
njRAT/Bladabindi
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1eb29b78-f58b-465f-a1aa-f238f136b3f6
Unpacked files
SH256 hash:
1adf26633c17278c9b930529b164637a8942cbb1f3267afafec63b56de51dd96
MD5 hash:
a668cb93c16026b6ee15b96dbd13d64f
SHA1 hash:
878b50a51f28a78ab4350d0c8b327c8172301de6
Link:
https://www.unpac.me/results/c6f4482b-4bc4-4a66-b855-0b0073d45b18/
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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

njrat

Executable exe 1adf26633c17278c9b930529b164637a8942cbb1f3267afafec63b56de51dd96

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3060211/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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