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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7d42055585aaf602b8a00d8d62afe4150da70b6063d6b1e671cd39845d0b5ab. 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 19 File information Comments

SHA256 hash: d7d42055585aaf602b8a00d8d62afe4150da70b6063d6b1e671cd39845d0b5ab
SHA3-384 hash: 508613f1816e737c74645779209b93f441a917a2e18f3c6f571b69119449935c25b5806cfcccba30b42267ee540c8e20
SHA1 hash: 34d8054a787dea343e82e3794d8e1c95bbf66190
MD5 hash: 284ad6b6c0c24e56c56b681f4492a1e3
humanhash: robin-edward-alanine-robin
File name:284ad6b6c0c24e56c56b681f4492a1e3.exe
Download: download sample
Signature njrat
File size:33'792 bytes
First seen:2026-09-14 00:50:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'239 x AgentTesla, 20'491 x Formbook, 12'372 x SnakeKeylogger)
ssdeep 384:f8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZpKTyFL1:TY+sNKqNHnSdRpcnurTyFR
TLSH T166E2F94A7EA58851C87C06B08B7596D403B0E187C41EDF2B8CC561DB6BF3AF91D48AF9
TrID 69.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win64 Executable (generic) (6522/11/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 01cccc969696d400 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
187.101.57.177:1177

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
187.101.57.177:1177 https://threatfox.abuse.ch/ioc/1917029/

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-14 00:54:54 UTC
Tags:
rat njrat bladabindi auto-reg xworm remote backdoor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 cmd config-extracted dropper fingerprint lolbin netsh njrat njrat rat reconnaissance remoteaccesstool vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-10T23:09:00Z UTC
Last seen:
2026-09-15T00:08:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Disables zone checking for all users
Found malware configuration
Joe Sandbox ML detected suspicious 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
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1972437 Sample: iMBryED40O.exe Startdate: 14/09/2026 Architecture: WINDOWS Score: 100 30 joaoszr3.ddns.net 2->30 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 42 8 other signatures 2->42 9 iMBryED40O.exe 1 7 2->9         started        12 server.exe 3 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        signatures3 40 Uses dynamic DNS services 30->40 process4 file5 26 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->26 dropped 28 C:\Users\user\AppData\...\iMBryED40O.exe.log, ASCII 9->28 dropped 18 server.exe 4 4 9->18         started        process6 dnsIp7 32 joaoszr3.ddns.net 187.101.57.177, 1177, 49711 TELEFONICABRASILSABR Brazil 18->32 44 Antivirus detection for dropped file 18->44 46 Multi AV Scanner detection for dropped file 18->46 48 Disables zone checking for all users 18->48 50 4 other signatures 18->50 22 netsh.exe 2 18->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Verdict:
njRat
YARA:
14 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.27 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: joaoszr3.ddns.net
PORT: 1177
Threat name:
ByteCode-MSIL.Backdoor.NjRAT
Status:
Malicious
First seen:
2026-09-11 05:36:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
34 of 36 (94.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked defense_evasion discovery persistence privilege_escalation trojan
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
Executes dropped EXE
Modifies Windows Firewall
Family: njRAT/Bladabindi
Malware Config
C2 Extraction:
joaoszr3.ddns.net:1177
Unpacked files
SH256 hash:
d7d42055585aaf602b8a00d8d62afe4150da70b6063d6b1e671cd39845d0b5ab
MD5 hash:
284ad6b6c0c24e56c56b681f4492a1e3
SHA1 hash:
34d8054a787dea343e82e3794d8e1c95bbf66190
Detections:
NjRat win_njrat_g1 win_njrat_w1
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: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: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: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
Rule name:win_njrat_bytecodes_oct_2023
Author:Matthew @ Embee_Research
Rule name:win_njrat_strings_oct_2023
Author:Matthew @ Embee_Research
Rule name:win_njrat_w1
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.

Comments