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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e
SHA3-384 hash: d92a7129a2d284ed4286571a7cce8453e670b142e0ab393117ad2dfdff26d26397c60b7e9fbbdcbc8a3ee62dccbb7bfb
SHA1 hash: c76f88acb4361a3b8023770640043f898d968e9b
MD5 hash: e8de6ea0ae30c6db16332ac574084886
humanhash: jersey-enemy-papa-failed
File name:lNV-90887598580626.bat
Download: download sample
Signature njrat
Create hunting rule
File size:904'704 bytes
First seen:2026-06-15 11:57:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'293 x AgentTesla, 20'712 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 24576:8Vr+kNfn4z+zOsaV7zT9TtT2PyNHlisi:Y+MPW+zOsaV5p26NHMs
TLSH T12D15F1582A59E507CA9927742EB0F17412BD7ED9B812E21AAFE86DEF7D32F440C04353
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
267
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b619bab5-effb-430c-81d6-821f26d6c4bb/
Malware family:
n/a
ID:
1
File name:
_128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e.exe
Verdict:
Malicious activity
Analysis date:
2026-06-15 12:00:39 UTC
Tags:
auto-reg
Link:
https://app.any.run/tasks/4a4d1ff6-bced-40b7-abcc-0609f79cbb4d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/70783/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.52337478.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2fe8eb34eaf30d8ce65043
Tags:
micro shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a process from a recently created file
DNS request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Connection attempt to an infection source
Sending a TCP request to an infection source
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context explorer lolbin masquerade packed
Link:
https://www.filescan.io/uploads/6a2fe8e61f652d686580a6a3/reports/4c3a7676-e174-426b-a105-94b05af085c8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-15T08:39:00Z UTC
Last seen:
2026-06-17T10:43:00Z UTC
Hits:
~1000
Detections:
HEUR:Backdoor.MSIL.XWorm.gen Backdoor.MSIL.XWorm.c Backdoor.Agent.TCP.C&C Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Agent.gen Backdoor.MSIL.XWorm.b PDM:Trojan.Win32.Generic Trojan.MSIL.Inject.sb Trojan.MSIL.Dnoper.sb Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Injector.sb Backdoor.Win32.Androm.sb
Link:
https://opentip.kaspersky.com/128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7b55a5a6-5ae7-4400-bce3-58ac39d3b409
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1927974
Signature
.NET source code contains potential unpacker
AI detected malicious Powershell script
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Executable File Creation
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1927974 Sample: lNV-90887598580626.bat.exe Startdate: 15/06/2026 Architecture: WINDOWS Score: 100 58 keyauth.win 2->58 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 15 other signatures 2->74 9 lNV-90887598580626.bat.exe 1 6 2->9         started        13 powershell.exe 19 2->13         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\nxudFzybIw.exe, PE32 9->50 dropped 52 C:\Users\user\AppData\...\z4hq4brn4vr.ps1, ASCII 9->52 dropped 54 C:\Users\...\lNV-90887598580626.bat.exe.log, ASCII 9->54 dropped 76 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->76 78 Creates autostart registry keys with suspicious values (likely registry only malware) 9->78 80 Creates an autostart registry key pointing to binary in C:\Windows 9->80 82 Injects a PE file into a foreign processes 9->82 15 lNV-90887598580626.bat.exe 3 5 9->15         started        19 lNV-90887598580626.bat.exe 9->19         started        21 nxudFzybIw.exe 3 13->21         started        23 conhost.exe 13->23         started        signatures6 process7 dnsIp8 60 155.103.71.146, 49693, 49694, 777 WHITELABELUS Turkey 15->60 62 Tries to steal Mail credentials (via file / registry access) 15->62 64 Tries to harvest and steal browser information (history, passwords, etc) 15->64 25 csc.exe 4 15->25         started        28 csc.exe 15->28         started        30 csc.exe 15->30         started        32 lNV-90887598580626.bat.exe 15->32         started        66 Multi AV Scanner detection for dropped file 21->66 34 nxudFzybIw.exe 21->34         started        36 nxudFzybIw.exe 21->36         started        signatures9 process10 file11 56 C:\Users\user\...\lNV-90887598580626.bat.exe, PE32 25->56 dropped 38 conhost.exe 25->38         started        40 cvtres.exe 1 25->40         started        42 conhost.exe 28->42         started        44 cvtres.exe 28->44         started        46 conhost.exe 30->46         started        48 cvtres.exe 30->48         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e/
Verdict:
Malicious
Threat:
Family.NJRAT
Link:
https://tip.neiki.dev/file/128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2026-06-15 11:37:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckebf5bjintrqe7uckeyqgptefqgodgz7dholkq5775mxtwcua7a._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
njrat
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260615-n5dsvads6m/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Unpacked files
SH256 hash:
128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e
MD5 hash:
e8de6ea0ae30c6db16332ac574084886
SHA1 hash:
c76f88acb4361a3b8023770640043f898d968e9b
Link:
https://www.unpac.me/results/ebc291a3-4606-4b22-855e-64770312e345/
SH256 hash:
242f4f141314ddf21bf7c9a566ac8cbd283a285bb281c1ff875979458457c689
MD5 hash:
63030439dfdd95f1b41df5b646b0ac3d
SHA1 hash:
1a842ad1f0f6500678dcc09930321222bbefa7be
Link:
https://www.unpac.me/results/ebc291a3-4606-4b22-855e-64770312e345/
SH256 hash:
5f42eb39ab4b0bd2146a041a921ad316db253d49c0344cf307702968fd91564c
MD5 hash:
c8f5af416eba9e6338ce44f3c969b922
SHA1 hash:
2b285d87078f928d4c1338405e746e9f8d57d602
Link:
https://www.unpac.me/results/ebc291a3-4606-4b22-855e-64770312e345/
SH256 hash:
4f33d75583a168d9c2d74bcb3909c21a93b7afb488dc6fe9b6708a1b72171465
MD5 hash:
4217bde0d6720385d0b63adcb48cc392
SHA1 hash:
5bb6fec3ed1da144ba050f8295766eb889c47748
Link:
https://www.unpac.me/results/ebc291a3-4606-4b22-855e-64770312e345/
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/128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

njrat

Executable exe 128812f42943671813f412898819f32160670cd9f8cee5aa1dfffacbcec2a03e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70783/

Comments