MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
SHA3-384 hash: d53f298cee7bd6ecb5ceb2276893bd153dc4f94e5f0eb47c8d42de8bbf691f4dcb54f6af54a7c1bd9751befc17ca871b
SHA1 hash: 4728c834c541ba951f5c60b61024ccbd12653b76
MD5 hash: 01c38eb7f66b7c99fbf0a89d52ff1e9c
humanhash: hot-skylark-colorado-sweet
File name:NewClient.exe
Download: download sample
Signature njrat
Create hunting rule
File size:67'072 bytes
First seen:2026-03-22 11:05:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'003 x AgentTesla, 19'911 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 1536:+ZqU4UoN36tCQviFw1c25y+BnvbYfLteF3nLrB9z3npaF9bHS9vM:+cU4UoN36tCQviFCl7BnUfWl9z5aF9bL
Threatray 122 similar samples on MalwareBazaar
TLSH T17F634B4877958A15D2BD2E7844F256518730F60B6D03FB2E48D160FAABB3FC44A42BE7
TrID 54.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.8% (.EXE) Win64 Executable (generic) (6522/11/2)
3.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
91.132.94.229:8723

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
91.132.94.229:8723 https://threatfox.abuse.ch/ioc/1773707/

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
njRAT
Details
njRAT
a c2 socket address, missionid, mutex, filename, and flags
Link:
https://research.acce.ciphertechsolutions.com/results/a44c4998-fc2e-487a-b1fc-41c0cb7c24ca/
Malware family:
njrat
Create hunting rule
ID:
1
File name:
NewClient.exe
Verdict:
Malicious activity
Analysis date:
2026-03-22 10:49:25 UTC
Tags:
auto-startup auto-reg njrat
Link:
https://app.any.run/tasks/116d6e53-1383-472e-9c0f-313f60267caa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/58653/
Detection(s):
Win.Malware.Ursu-9784017-0
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.Bladabindi-6192388-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69bfc934390b99647412b7bc
Tags:
bladabindi autorun njrat spam
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:
anti-debug anti-vm base64 bladabindi cmd config-extracted evasive eventvwr hacktool lolbin mmc njrat njrat obfuscated rat reconnaissance schtasks unsafe vbnet windows winnti wscript
Link:
https://www.filescan.io/uploads/69bfccf64ec2f522cc52cd6a/reports/537c24ea-570b-4e56-a858-a26eb0802d92/overview
Verdict:
Malicious
Labled as:
KillMBR.B.Generic
Link:
https://www.hybrid-analysis.com/sample/ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-22T08:15:00Z UTC
Last seen:
2026-03-23T12:57:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb HEUR:Trojan-Spy.MSIL.KeyLogger.gen HEUR:Trojan-Downloader.MSIL.Agent.gen HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Crypt.gen Backdoor.MSIL.Bladabindi.sb Backdoor.Bladabindi.TCP.C&C PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C
Link:
https://opentip.kaspersky.com/ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc/results?tab=lookup
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0941fb1e-9f7e-4dca-84f1-2cf79eecc874
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1887298
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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Disables zone checking for all users
Drops PE files to the startup folder
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
Self deletion via cmd or bat file
Sigma detected: Drops script at startup location
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Unusual module load detection (module proxying)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1887298 Sample: NewClient.exe Startdate: 22/03/2026 Architecture: WINDOWS Score: 100 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 12 other signatures 2->58 8 NewClient.exe 1 7 2->8         started        12 system32.exe 3 2->12         started        14 system32.exe 2 2->14         started        process3 file4 46 C:\ProgramData\system32.exe, PE32 8->46 dropped 48 C:\Users\user\AppData\...48ewClient.exe.log, ASCII 8->48 dropped 74 Self deletion via cmd or bat file 8->74 16 system32.exe 3 6 8->16         started        21 cmd.exe 1 8->21         started        signatures5 process6 dnsIp7 50 91.132.94.229, 49723, 8723 ARAGON-ASES Moldova Republic of 16->50 42 C:\Users\user\AppData\...\system32.exe, PE32 16->42 dropped 44 C:\Users\user\AppData\...\system32.url, MS 16->44 dropped 60 Antivirus detection for dropped file 16->60 62 Multi AV Scanner detection for dropped file 16->62 64 Protects its processes via BreakOnTermination flag 16->64 70 4 other signatures 16->70 23 cmd.exe 1 16->23         started        26 schtasks.exe 1 16->26         started        28 schtasks.exe 1 16->28         started        66 Uses ping.exe to sleep 21->66 68 Uses ping.exe to check the status of other devices and networks 21->68 30 conhost.exe 21->30         started        32 choice.exe 1 21->32         started        file8 signatures9 process10 signatures11 72 Uses ping.exe to sleep 23->72 34 conhost.exe 23->34         started        36 PING.EXE 1 23->36         started        38 conhost.exe 26->38         started        40 conhost.exe 28->40         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc/
Verdict:
Malicious
Threat:
Family.NJRAT
Link:
https://tip.neiki.dev/file/ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
Threat name:
ByteCode-MSIL.Backdoor.NjRAT
Create hunting rule
Status:
Malicious
First seen:
2026-03-22 10:49:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=77mlfmaralckztdy3rx6uicpjb5xd4xlmarwkh5ib7ccxxfza36a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
0590c9b057970ad6c9c6ebb50ee29355fcda0ddce150b758fd05b9ca5323b8b4
njrat
72eb47100ec7b1b5c89beb50b076ffe91738639d86962451ba26f0f4d049692f
njrat
77c0f2ed3891ea7fbcb743ef77795c42e09c6be727b16583ada8dc1a451addf6
njrat
bfee25bffb876fc52246cf35d41a16eda0500c59501d645ae5bd57dc0d90e38b
njrat
error
njrat
ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
njrat
+ 112 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:romachka discovery execution persistence
Link:
https://tria.ge/reports/260322-m622dsa151/
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Malware Config
C2 Extraction:
127.0.0.1:8723
Unpacked files
SH256 hash:
ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
MD5 hash:
01c38eb7f66b7c99fbf0a89d52ff1e9c
SHA1 hash:
4728c834c541ba951f5c60b61024ccbd12653b76
Detections:
win_njrat_w1
Create hunting rule
NjRat
Create hunting rule
Link:
https://www.unpac.me/results/c40e769e-10e0-4274-a8d9-413345a923e1/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ffd8b2b01102/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.42
Link:
https://yomi.yoroi.company/submissions/ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc

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:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Unknown_Malware_Sample_Jul17_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Unknown_Malware_Sample_Jul17_2_RID326D
Create hunting rule
Author:Florian Roth
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
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_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.

Cape
Cape
https://www.capesandbox.com/analysis/58653/

Comments