MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4
SHA3-384 hash: 216666b9d19d6bf056b44d351a342fcfbfaf9ae5d3d8e7d1776c05e973b60fc14c8ab80529e8782fde07891152e65430
SHA1 hash: 60e38277bf32e0fb5b47e7ec9e47cec9d57186ef
MD5 hash: 027d100f1dca3a4d9de8c40bbd60f4f7
humanhash: berlin-fourteen-hamper-autumn
File name:52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4
Download: download sample
Signature njrat
Create hunting rule
File size:888'832 bytes
First seen:2026-08-10 14:09:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'344 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 24576:ZyIaRNQgDql+smIP6wXGvNZpFrP1lkR6pF:ZraQiqYsnP6wXeptEi
TLSH T1C7150288321ADC02D5E26FB11E71E3B855B98D88A825E303DEFEBDD7B47D6463C44291
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 adrian__luca
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1f953eab-04cd-42ec-afc0-395fc177ab3e/
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79736/
Detection(s):
SecuriteInfo.com.Trojan.Siggen32.63821.22365.1214.UNOFFICIAL
Create hunting rule

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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context crypt packed
Link:
https://www.filescan.io/uploads/6a79dbf25ca504a8496e1587/reports/53807592-82d6-4b81-b018-1a03393bf50f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-09T03:32:00Z UTC
Last seen:
2026-08-12T07:33:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3bf4df05-0e4b-4a5e-b99c-68595c291a59
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-07-09 06:57:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kler3yunmju7n4nsb564mbkl6rgm6lsnue2v24icnywfw3lm2dca._file
Verdict:
malicious
Label(s):
XWorm
Create hunting rule
Link:
https://reports.threatray.com/2fd8252c-b54a-4886-98be-639424810c41
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Link:
https://tria.ge/reports/260810-rgl14aar51/
Behaviour
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
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Unpacked files
SH256 hash:
52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4
MD5 hash:
027d100f1dca3a4d9de8c40bbd60f4f7
SHA1 hash:
60e38277bf32e0fb5b47e7ec9e47cec9d57186ef
Link:
https://www.unpac.me/results/d55ac5a8-b494-4bfd-906b-fd8a092e406c/
SH256 hash:
05d975501d31f58435c5de8fc9d1f2e38cbd4f4eaa4e39a79524188fd7d79ddb
MD5 hash:
22459d49e17b4d2177a3535d2baca718
SHA1 hash:
792dbc5508470c14ce6f03d8f8812bc6329eca12
Link:
https://www.unpac.me/results/d55ac5a8-b494-4bfd-906b-fd8a092e406c/
SH256 hash:
469142fc217b5fc05396ac5fb54312b2b42d60e5b6964a55b2d753dad4c91f51
MD5 hash:
290aa99bcca87d2fa89cbd5042c46070
SHA1 hash:
a5128dcc12ab800549a35374ebb0d0a8bd725d43
Link:
https://www.unpac.me/results/d55ac5a8-b494-4bfd-906b-fd8a092e406c/
SH256 hash:
d4fe498521b47118ae8d49d684cc5c8719183ed5aa459502b1c8def6a8ac0ee0
MD5 hash:
0221d1a312c51b561458185749584b0b
SHA1 hash:
de77ec312f5de7d58ae1edd4fd877845a2d993a0
Link:
https://www.unpac.me/results/d55ac5a8-b494-4bfd-906b-fd8a092e406c/
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/52c91de28d6269f6f1b20f7dc6054bf44ccf2e4da1355d71026e2c5b6d6cd0c4

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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: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.

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/79736/

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