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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a. 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: a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a
SHA3-384 hash: 1e3e50d34b6e097410d7f48d3b27ca470b3765b722bf9e1ecd8fe58eb97b9ad96731f0df65060c61c031c8b4d9a98438
SHA1 hash: e10b2708e030056db290347ab58a716d9dc75cd5
MD5 hash: b227f4603f71c251009175e296cb3c6e
humanhash: vermont-september-video-solar
File name:Grupo danec° QUOTATION.exe
Download: download sample
Signature njrat
Create hunting rule
File size:850'944 bytes
First seen:2026-05-04 05:30:25 UTC
Last seen:2026-05-04 13:07:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'235 x AgentTesla, 20'488 x Formbook, 12'372 x SnakeKeylogger)
ssdeep 12288:eYo4aiboxCcwS4ebmYMg9GSFdOl3rAQvlb0wDmNtBigb4xPDqUbS/YYOfKdl:gWfcWeb3gWQ9vlPDmUD8Ywd
Threatray 244 similar samples on MalwareBazaar
TLSH T196050155231EED03D8961FB00E31D2B016698E8CA811C313AFEA7EDFF57D2A66D85391
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 lowmal3
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
234
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c6cecbc9-fd1a-4d86-9e19-871342c1264a/
Malware family:
n/a
ID:
1
File name:
_a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a.exe
Verdict:
Suspicious activity
Analysis date:
2026-05-04 05:35:37 UTC
Tags:
auto-reg auto-startup
Link:
https://app.any.run/tasks/1df8686b-cd64-4fe6-96eb-566b3d9d7313

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/64451/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3221.7986.2281.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-03T22:10:00Z UTC
Last seen:
2026-05-06T03:40:00Z UTC
Hits:
~10000
Detections:
HEUR:Trojan-Spy.MSIL.Noon.gen Backdoor.MSIL.XWorm.c PDM:Worm.Win32.Generic Trojan.Win32.Agent.sb Trojan.MSIL.Agent.sb VHO:Worm.Win32.Convagent.gen Trojan.WinLNK.Agent.fb Trojan-Dropper.Win32.Injector.sb Backdoor.Win32.Androm.sb Backdoor.MSIL.XWorm.b PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Injector.gen Trojan.MSIL.Crypt.sb
Link:
https://opentip.kaspersky.com/a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a/results?tab=lookup
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87ae97d4-d376-4580-b438-43f627ae8365
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1907886
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1907886 Sample: Grupo danec#U00b0 QUOTATION.exe Startdate: 04/05/2026 Architecture: WINDOWS Score: 100 30 jar5.ydns.eu 2->30 32 keyauth.win 2->32 38 Suricata IDS alerts for network traffic 2->38 40 Found malware configuration 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 12 other signatures 2->44 7 Grupo danec#U00b0 QUOTATION.exe 3 2->7         started        10 ChromeUpdate.exe 3 2->10         started        13 ChromeUpdate.exe 2 2->13         started        signatures3 process4 file5 28 C:\...behaviorgraphrupo danec#U00b0 QUOTATION.exe.log, ASCII 7->28 dropped 15 Grupo danec#U00b0 QUOTATION.exe 2 6 7->15         started        46 Multi AV Scanner detection for dropped file 10->46 20 ChromeUpdate.exe 10->20         started        22 ChromeUpdate.exe 10->22         started        24 ChromeUpdate.exe 13->24         started        signatures6 process7 dnsIp8 34 jar5.ydns.eu 82.38.148.254, 49683, 5909 NTLGB United Kingdom 15->34 26 C:\Users\user\AppData\...\ChromeUpdate.exe, PE32 15->26 dropped 36 Tries to harvest and steal browser information (history, passwords, etc) 15->36 file9 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.32 Win 32 Exe x86
Link:
https://app.malva.re/file/b227f4603f71c251009175e296cb3c6e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2026-05-04 01:10:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=umjptwlqztrchvnogjnypezr63ebxbcjzdhbdzyc2qpxjkbot5va._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
20985888d059fdd496b3f85d36c8e4f281b084c1e247d89b1de614b60168d1d7
njrat
2789475f9c628e17e9195fee0133b23c43d3f05d2801baa1c8a9aae809be8e6c
njrat
457ee25c806d8b4cce736f18ac897bf464de671edef18df590220f87043f0638
njrat
6ef077339d502b2c4c5fbf6c06a3a512f55f95f42cbbcfcc7620ae47efae7f93
njrat
a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a
njrat
error
njrat
+ 234 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm collection discovery persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260504-f7keeacv9x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops startup file
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detect Xworm Payload
Family: Xworm
Unpacked files
SH256 hash:
a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a
MD5 hash:
b227f4603f71c251009175e296cb3c6e
SHA1 hash:
e10b2708e030056db290347ab58a716d9dc75cd5
Link:
https://www.unpac.me/results/715ca0de-0475-4dbb-98cd-4a2195bafa62/
SH256 hash:
59d2437c779625d8a4fde119343fdaeb19b6af5e79502ede060554090b103a65
MD5 hash:
d33c6ddb46d7530e7950a7975248cdec
SHA1 hash:
0f8e5a0aa8c7ba8f3e195644776bfd0734379fe1
Link:
https://www.unpac.me/results/715ca0de-0475-4dbb-98cd-4a2195bafa62/
SH256 hash:
7679b5b0581af821f878ce2501527546995c92c228aec8ee7e7c6783b04c2c83
MD5 hash:
868cec3d2b8cfa370d7e7fff01019120
SHA1 hash:
8d9ad6a4a073fad13d16e128dc7095f2e58d7311
Link:
https://www.unpac.me/results/715ca0de-0475-4dbb-98cd-4a2195bafa62/
SH256 hash:
b89ef1df5a9dc1149b5ff6dadb0c5e30f533173fa1e6241b334caf29ebe9e268
MD5 hash:
ef86ee13b3421a3bf118f87ee0c9f19b
SHA1 hash:
959f8e26aafd549033cc3ef514bd668e3c9c86bf
Link:
https://www.unpac.me/results/715ca0de-0475-4dbb-98cd-4a2195bafa62/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a312f9d970cc/report/overview.html
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: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 a312f9d970cce223d5ae325b879331f6c81b8449c8ce11e702d41f74a82e9f6a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/64451/

Comments