MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17. 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: 19


Intelligence 19 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17
SHA3-384 hash: fa05ff46a3949337f2b5f71848d4644ba02ddf2d4fb95f132f56d583b7c0f6f593b4910aa876190ced3b3f6e8350ee2e
SHA1 hash: 0addbb3b28af97dd5b26f79c89a0327b0e1b8719
MD5 hash: 813cae645a859f9e7f6fffbe0e9120a9
humanhash: mango-paris-seventeen-kitten
File name:1733490739e5e30edcf0680d8a10de07d13f0f9a2284bc87bf8b4af988e0742c1432ac615d942.dat-decoded
Download: download sample
Signature njrat
Create hunting rule
File size:24'064 bytes
First seen:2024-12-06 13:12:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'787 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 384:u8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZhD:hXcwt3tRpcnui
Threatray 470 similar samples on MalwareBazaar
TLSH T13AB21A4E3FA98856C5AC1B748AA5965003B4D1470423EE2FCCC450DBAFB36D92D4CAF9
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:base64-decoded exe NjRAT


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
477
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
1733490739e5e30edcf0680d8a10de07d13f0f9a2284bc87bf8b4af988e0742c1432ac615d942.dat-decoded
Verdict:
Malicious activity
Analysis date:
2024-12-06 13:30:22 UTC
Tags:
njrat
Link:
https://app.any.run/tasks/8a734618-f79c-4e8d-8886-8f8d58d4628e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Generic-9795615-0
Create hunting rule

Win.Packed.Generic-9795616-0
Create hunting rule

Win.Dropper.njRAT-10015886-0
Create hunting rule

Win.Dropper.Nanocore-10030076-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Packed.Bladabindi-6804148-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Packed.Bladabindi-6917466-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6752f86119fba9940b497ade
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Connection attempt
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd config-extracted fingerprint keylogger lolbin netsh njrat njrat rat vbnet windows zbot
Link:
https://www.filescan.io/uploads/6752f863aa7f098f77e7b968/reports/cfbb4c56-1ae2-4436-8ef2-425fad27427b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17
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/4876b915-5f13-4658-842c-891a7ed05f95
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1570023
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Disables zone checking for all users
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1570023 Sample: 1733490739e5e30edcf0680d8a1... Startdate: 06/12/2024 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for dropped file 2->38 40 12 other signatures 2->40 8 1733490739e5e30edcf0680d8a10de07d13f0f9a2284bc87bf8b4af988e0742c1432ac615d942.dat-decoded.exe 1 5 2->8         started        11 hi.exe 3 2->11         started        13 hi.exe 2 2->13         started        15 hi.exe 2 2->15         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\hi.exe, PE32 8->28 dropped 30 1733490739e5e30edc...dat-decoded.exe.log, ASCII 8->30 dropped 17 hi.exe 4 5 8->17         started        process5 dnsIp6 32 127.0.0.1 unknown unknown 17->32 26 C:\...\2239074f375016b7c06b239673132d3c.exe, PE32 17->26 dropped 42 Antivirus detection for dropped file 17->42 44 Multi AV Scanner detection for dropped file 17->44 46 Machine Learning detection for dropped file 17->46 48 5 other signatures 17->48 22 netsh.exe 2 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2024-11-17 06:35:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzdo37uzexdcw7khd5hpxtbk3lqpyseby3r3hahkpr5e6wlt5ulq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
38659eb58db3cb2d95448a7a3fa9049c58af36c21ad675843fb6932de827426b
njrat
798e0870efbf28e90fb48671e8ef55bb9b442602cc505522a991153d79f2bfaf
njrat
7dcaef0a3442fdb263af59d4af0cd67cc08f61c04db6bdbfaf6609b478a52e1c
njrat
ccd5489042e837a771f04a06fc5296535c2fff338e4d7b6d0585f446f2b0ba6b
njrat
error
njrat
fa448e36486c632887c7c71e09596263ecefd1531f7977c7bb08471f08be8275
njrat
fc2631c62f5aadf52a4f83289493d04a5ab8a108d004eb6a55eacbf98df41f08
njrat
+ 460 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:taktouka discovery evasion persistence privilege_escalation trojan
Link:
https://tria.ge/reports/241206-qf4dbaypbx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
127.0.0.1:8090
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Generic-9795615-0
YARA:
malware_Njrat_strings win_njrat_strings_oct_2023 Windows_Trojan_Njrat_30f3c220 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat
Link:
https://app.threat.zone/submission/9816f26f-2460-41fb-87ba-ccb10a626d3e
Unpacked files
SH256 hash:
8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17
MD5 hash:
813cae645a859f9e7f6fffbe0e9120a9
SHA1 hash:
0addbb3b28af97dd5b26f79c89a0327b0e1b8719
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/04333543-618b-4bae-82dd-85f5bc3a0556/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8646edfe9925/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/8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
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:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:win_njrat_strings_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information

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

e5e30edcf0680d8a10de07d13f0f9a2284bc87bf8b4af988e0742c1432ac615d

njrat

Executable exe 8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17

(this sample)

  
Dropped by
SHA256 e5e30edcf0680d8a10de07d13f0f9a2284bc87bf8b4af988e0742c1432ac615d
  
Dropped by
MD5 63aa1939a99d4fa3ab712e7b87bc5a9b
  
URLhaus
https://urlhaus.abuse.ch/url/3333358/
  
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

Comments