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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301
SHA3-384 hash: 654ec74552c7513340273005f139b94b630c020a0c6f91df80215d2c5ea7c74d2d2b8cebb1a353e5e87aa5bb85a105bd
SHA1 hash: 460a1c90411d7abb2e55b9d437e457b88710a2ee
MD5 hash: 951351f0fb96dbbbd8379548ad1767bc
humanhash: ceiling-zulu-foxtrot-shade
File name:IMG-Orden de compra-20260511-WA0001.xlsx(89KB).scr
Download: download sample
Signature njrat
Create hunting rule
File size:1'155'584 bytes
First seen:2026-06-17 11:15:04 UTC
Last seen:2026-07-07 14:22:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'240 x AgentTesla, 20'494 x Formbook, 12'373 x SnakeKeylogger)
ssdeep 24576:+D4r+d5I/E4xH11ZoKG4wRiZTEHGJsa8rY7:l+V4xVENCMGJv7
TLSH T162357B18770EBCB6F495AE7C56D1DB3002E76E5464C2C1262ACCAA9BF52EF5009F1B07
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
dhash icon 74f4eccacaccc0dc (3 x njrat, 1 x AveMariaRAT)
Reporter lowmal3
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
290
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a058ecad-522c-4ed6-8412-535115f56b01/
Malware family:
n/a
ID:
1
File name:
IMG-Ordendecompra-20260511-WA0001.xlsx89KB.scr.exe
Verdict:
Suspicious activity
Analysis date:
2026-06-17 11:19:04 UTC
Tags:
auto-startup auto-reg
Link:
https://app.any.run/tasks/18763539-dac4-4c72-b3b9-dd667ee312c8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/71073/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3586.30336.16850.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a3282311a97308eef89d75f
Tags:
autorun spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Query of malicious DNS domain
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade masquerade net_reactor obfuscated obfuscated packed packed
Link:
https://www.filescan.io/uploads/6a32820b90632a45f72549d2/reports/f284086b-d380-4357-80b9-bc4f714785f9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-11T15:51:00Z UTC
Last seen:
2026-06-19T09:36:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Agent.sb Trojan.MSIL.Agent.sb HEUR:Trojan-PSW.MSIL.Stelega.gen Backdoor.Win32.Androm.sb Trojan-PSW.PureLogs.TCP.C&C PDM:Worm.Win32.Generic BSS:Trojan.Win32.Generic Trojan.WinLNK.Agent.fb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-Dropper.Win32.Injector.sb Backdoor.MSIL.XWorm.b Backdoor.Agent.TCP.C&C
Link:
https://opentip.kaspersky.com/40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301/results?tab=lookup
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2ae3d56a-77e1-4404-8f44-9566cefcfa13
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1929293
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
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
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301
Threat name:
Win32.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2026-06-11 23:20:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idewmoxh76wuisf66slwzqkfqjjuedw5zc4bn2ry3pr56mdzkmaq._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 persistence rat trojan
Link:
https://tria.ge/reports/260617-ndal4sev3k/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Executes dropped EXE
Detect Xworm Payload
Family: Xworm
Unpacked files
SH256 hash:
40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301
MD5 hash:
951351f0fb96dbbbd8379548ad1767bc
SHA1 hash:
460a1c90411d7abb2e55b9d437e457b88710a2ee
Link:
https://www.unpac.me/results/48945b04-638e-401f-baac-c7a21b677ae3/
SH256 hash:
5f42eb39ab4b0bd2146a041a921ad316db253d49c0344cf307702968fd91564c
MD5 hash:
c8f5af416eba9e6338ce44f3c969b922
SHA1 hash:
2b285d87078f928d4c1338405e746e9f8d57d602
Link:
https://www.unpac.me/results/48945b04-638e-401f-baac-c7a21b677ae3/
SH256 hash:
c2d47ae9e565d43c917308176cea52ec1c0e8f0f729d0cb4e982fbbbaaf594cc
MD5 hash:
f5a7dcf888356387ee765d2f746af56f
SHA1 hash:
6be096c77ee9c054bb14e8faf20c9044fd1c7535
Link:
https://www.unpac.me/results/48945b04-638e-401f-baac-c7a21b677ae3/
SH256 hash:
8995d7eca4de6c7c0c1a761c877e4e7c80de63bd361c8aaee1bbd66fd4c9dfc3
MD5 hash:
a5543a26919050e9c0313e29b9fc43c2
SHA1 hash:
aa89566831accff7db683d0e1abdfd9265433a2f
Link:
https://www.unpac.me/results/48945b04-638e-401f-baac-c7a21b677ae3/
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/40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301

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: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 40c9663ae7ffad4448bef4976cc1458253420eddc8b816ea38dbe3df30795301

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/71073/

Comments