MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2455874f6a28b18906b92b5ebfbc233062cc1c1cd50b2519640c3baa2ffca7f6. 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 1 YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2455874f6a28b18906b92b5ebfbc233062cc1c1cd50b2519640c3baa2ffca7f6
SHA3-384 hash: f471468fa8a6245b9e4194ed811374f14f9a0ce88b3d9cd0f6ce2045cdf7d8ac4989b0a2d31898a06d88791f8d43008f
SHA1 hash: 2d61675ed36658d37795ea2572b31df6b75c53c4
MD5 hash: 4225674c595b9ebd56b40e02b56fa4bc
humanhash: seventeen-ten-four-lithium
File name:4225674c595b9ebd56b40e02b56fa4bc.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'256 bytes
First seen:2024-10-27 07:20:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 768:ZlB4IZBDTuzxZ+KKczDNpHvhR/QmIDUu0tiLUj:6c6lhjQVkRj
Threatray 300 similar samples on MalwareBazaar
TLSH T117E22AADF7E6446AC2BD0AB50571950053B8D043E513F77E4ECA24E62B3B6D84B88DF2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
45.152.161.204:6522

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.152.161.204:6522 https://threatfox.abuse.ch/ioc/1339567/

Intelligence

File Origin
# of uploads :
1
# of downloads :
455
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
4225674c595b9ebd56b40e02b56fa4bc.exe
Verdict:
Malicious activity
Analysis date:
2024-10-27 07:26:33 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/0231d842-1808-4f98-8fd1-84810a6bcd14

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.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=671deae55928ee28d55e3b5a
Tags:
Bladabindi Powershell Autorun Njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
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:
anti-vm bladabindi cmd fingerprint keylogger lolbin netsh njrat rat stealer vbnet windows winnti
Link:
https://www.filescan.io/uploads/671de9e02734cb737d8ec12e/reports/9cefb8a5-6b40-40b0-acbe-4b4dc4b968fd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2455874f6a28b18906b92b5ebfbc233062cc1c1cd50b2519640c3baa2ffca7f6
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.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9cb69acf-4fe0-4145-9b0c-9a7c629b9a9a
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1543085
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
Protects its processes via BreakOnTermination flag
Suricata IDS alerts for network traffic
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: 1543085 Sample: wd33g7Jan8.exe Startdate: 27/10/2024 Architecture: WINDOWS Score: 100 34 Suricata IDS alerts for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 12 other signatures 2->40 8 wd33g7Jan8.exe 1 5 2->8         started        11 WindowsServices.exe 2 2->11         started        13 WindowsServices.exe 3 2->13         started        15 WindowsServices.exe 2 2->15         started        process3 file4 28 C:\ProgramData\WindowsServices.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\...\wd33g7Jan8.exe.log, ASCII 8->30 dropped 17 WindowsServices.exe 4 5 8->17         started        process5 dnsIp6 32 45.152.161.204, 49730, 6522 THADDEUS_NGGB Germany 17->32 26 C:\...\3a242e02f9e01cc69f94bf51247fa2cb.exe, PE32 17->26 dropped 42 Antivirus detection for dropped file 17->42 44 Multi AV Scanner detection for dropped file 17->44 46 Protects its processes via BreakOnTermination flag 17->46 48 6 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/2455874f6a28b18906b92b5ebfbc233062cc1c1cd50b2519640c3baa2ffca7f6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2455874f6a28b18906b92b5ebfbc233062cc1c1cd50b2519640c3baa2ffca7f6/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2024-10-23 15:30:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=erkyot3kfcyysbvzfnpl7pbdgbrmyha42ufskglebq52ul74u73a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
2440306314dac06309992a7dd121d0e893582b78c2493ec0716b6cd9db1731ec
njrat
3792524100bb9e7468dad52bbdd3a84175effa0cceb78dea77cefe46ffc2e4b2
njrat
43f9346f00f00794f88d0d23b096b19e6bbd95ac7bde24b2619e139e1a7cc239
njrat
a9ea7800b0f50505268b058f14a23dbe4cf6c0f134681a68dce7429b9df8d88b
njrat
d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7
njrat
d94d9dbce42d7b6c0c5ef63e67f591d13229f3c4f6da24a9e9fb9a8d817aa598
njrat
error
njrat
f2fce7a94739dc81a39adcae9773b0a76c8d45986b26f51ccabd14285aaa8b64
njrat
+ 290 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:mybot discovery evasion persistence privilege_escalation trojan
Link:
https://tria.ge/reports/241027-h6m51swenl/
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:
45.152.161.204:6522
Verdict:
Malicious
Tags:
rat njrat
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/37c4e428-4110-4a3f-9503-77191ab37bd5
Unpacked files
SH256 hash:
2455874f6a28b18906b92b5ebfbc233062cc1c1cd50b2519640c3baa2ffca7f6
MD5 hash:
4225674c595b9ebd56b40e02b56fa4bc
SHA1 hash:
2d61675ed36658d37795ea2572b31df6b75c53c4
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/ead707b8-3ece-4e6b-9fec-eebba97f630a/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2455874f6a28/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/2455874f6a28b18906b92b5ebfbc233062cc1c1cd50b2519640c3baa2ffca7f6

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:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
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: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_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.

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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