MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb128ec75526887e8ebc2c1e4c0daf7b7ec1d41f039c0fb88e927b90fce6df9e. 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 5 YARA 24 File information Comments

SHA256 hash: bb128ec75526887e8ebc2c1e4c0daf7b7ec1d41f039c0fb88e927b90fce6df9e
SHA3-384 hash: 9a3431df4bd97fa69dc58ac12bcae5151a5b3d57cd26abcb6a902b10a073c5a989bf940139d3c2557615e95f18266dd1
SHA1 hash: b38666d28beb902565260bf87d4f367911e94eda
MD5 hash: 02cefbda3396f784034e71616e52d67e
humanhash: ink-muppet-helium-paris
File name:02cefbda3396f784034e71616e52d67e.exe
Download: download sample
Signature njrat
File size:95'232 bytes
First seen:2024-09-11 00:00:32 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 1536:jy+C+xhUa9urgOBPmNvM4jEwzGi1dDVD/gS:jyIUa9urgOkdGi1dhY
Threatray 464 similar samples on MalwareBazaar
TLSH T1DE93D74977E53524E4BF56F79472F2004E34B44B1602E39E49F259EA0A33AC44F89EEB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
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:
3.125.102.39:11348

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.125.102.39:11348 https://threatfox.abuse.ch/ioc/1323247/
18.192.31.165:11348 https://threatfox.abuse.ch/ioc/1323248/
3.125.209.94:11348 https://threatfox.abuse.ch/ioc/1323249/
18.158.249.75:11348 https://threatfox.abuse.ch/ioc/1323250/
3.124.142.205:11348 https://threatfox.abuse.ch/ioc/1323251/

Intelligence


File Origin
# of uploads :
1
# of downloads :
542
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
02cefbda3396f784034e71616e52d67e.exe
Verdict:
Malicious activity
Analysis date:
2024-09-11 00:02:50 UTC
Tags:
rat njrat bladabindi remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Execution Network Spreading Stealth Njrat
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi cmd evasive explorer fingerprint fingerprint keylogger lolbin msconfig netsh njrat rundll32 schtasks stealer update vbnet winnti
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.
Result
Threat name:
Detection:
malicious
Classification:
spre.phis.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Creates autorun.inf (USB autostart)
Disables the Windows task manager (taskmgr)
Disables zone checking for all users
Drops PE files to the document folder of the user
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2024-09-08 22:51:03 UTC
File Type:
PE (.Net Exe)
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:victim discovery evasion persistence privilege_escalation
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops autorun.inf file
Drops file in System32 directory
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Disables Task Manager via registry modification
Modifies Windows Firewall
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
0.tcp.eu.ngrok.io:11348
Unpacked files
SH256 hash:
bb128ec75526887e8ebc2c1e4c0daf7b7ec1d41f039c0fb88e927b90fce6df9e
MD5 hash:
02cefbda3396f784034e71616e52d67e
SHA1 hash:
b38666d28beb902565260bf87d4f367911e94eda
Detections:
Njrat CN_disclosed_20180208_c MAL_Winnti_Sample_May18_1
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:CN_disclosed_20180208_c
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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
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
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Mal_WIN_NjRAT_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect NjRAT implant.
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:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_eb2698d2
Author:Elastic Security
Rule name:win_njrat_strings_oct_2023
Author:Matthew @ Embee_Research

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

Comments