MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a77a20ba754541141b20e39f88bbbba4b57af757c6906db5f1d8bb62126f262. 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: 20


Intelligence 20 IOCs 1 YARA 18 File information Comments

SHA256 hash: 7a77a20ba754541141b20e39f88bbbba4b57af757c6906db5f1d8bb62126f262
SHA3-384 hash: 9e45b0cb4cf38b4b92333fa083599424448977700cddf7ef4e198ef0be559bccf69669a674ad40a4d6e79b820f5f121f
SHA1 hash: fbec36e84f0e1875e9e9088b96a360b31af6e8d9
MD5 hash: dbc402e92f2e0d4253a05da795c7d189
humanhash: batman-queen-autumn-uranus
File name:dbc402e92f2e0d4253a05da795c7d189.exe
Download: download sample
Signature njrat
File size:44'032 bytes
First seen:2025-08-16 14:00:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'841 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 384:dZyQCFIB+oyiFN7cWMEHavIuZzQIij+ZsNO3PlpJKkkjh/TzF7pWnXugreT0pqf7:Xi+Ilir7zOHuXQ/oKa+L
TLSH T1BE13C68CB694E174D5FF8BF1F4A2B2890B71A027A806930F99F154D94B73EC09611EE7
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:
147.185.221.31:2232

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
147.185.221.31:2232 https://threatfox.abuse.ch/ioc/1569129/

Intelligence


File Origin
# of uploads :
1
# of downloads :
169
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
dbc402e92f2e0d4253a05da795c7d189.exe
Verdict:
Malicious activity
Analysis date:
2025-08-16 14:00:45 UTC
Tags:
rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
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 base64 bladabindi cmd lolbin njrat njrat rat schtasks vbnet windows
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an autostart registry key pointing to binary in C:\Windows
Disables zone checking for all users
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1758372 Sample: jdyaxuH26l.exe Startdate: 16/08/2025 Architecture: WINDOWS Score: 100 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 8 jdyaxuH26l.exe 1 3 2->8         started        12 Server.exe 1 2->12         started        14 svchost.exe 2->14         started        16 12 other processes 2->16 process3 dnsIp4 36 C:\Windows\svchost.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\...\jdyaxuH26l.exe.log, ASCII 8->38 dropped 60 Drops executables to the windows directory (C:\Windows) and starts them 8->60 62 Drops PE files with benign system names 8->62 19 svchost.exe 3 4 8->19         started        64 Antivirus detection for dropped file 12->64 66 Multi AV Scanner detection for dropped file 12->66 68 Changes security center settings (notifications, updates, antivirus, firewall) 14->68 24 MpCmdRun.exe 14->24         started        40 127.0.0.1 unknown unknown 16->40 file5 signatures6 process7 dnsIp8 42 147.185.221.31, 2232, 49721, 49722 SALSGIVERUS United States 19->42 32 C:\Users\user\AppData\...\Java update.exe, PE32 19->32 dropped 34 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 19->34 dropped 52 Antivirus detection for dropped file 19->52 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Multi AV Scanner detection for dropped file 19->56 58 5 other signatures 19->58 26 schtasks.exe 1 19->26         started        28 conhost.exe 24->28         started        file9 signatures10 process11 process12 30 conhost.exe 26->30         started       
Verdict:
njRat
YARA:
12 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.26 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: विनी蒂Q3LjE4NS4yविनीjEuविनीzE!
PORT: 粹jIz粹g==
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-08-13 10:28:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:system discovery execution persistence trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
147.185.221.31:2232
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Msilperseus-9220094-0 Bladabindi
YARA:
JPCERTCC_Njrat MALWARE_Win_NjRAT MAL_Njrat Windows_Trojan_Njrat_30f3c220 malware_Njrat_strings
Unpacked files
SH256 hash:
7a77a20ba754541141b20e39f88bbbba4b57af757c6906db5f1d8bb62126f262
MD5 hash:
dbc402e92f2e0d4253a05da795c7d189
SHA1 hash:
fbec36e84f0e1875e9e9088b96a360b31af6e8d9
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: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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:njrat_
Author:Michelle Khalil
Description:This rule detects unpacked njrat malware samples.
Rule name:pe_imphash
Rule name:RAT_win_njrat
Author:KrknSec
Description:Detects njRAT binaries.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.njrat
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security

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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