MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85
SHA3-384 hash: 711a8d5f4ac0c17a53c6300137355bb54a7b86c2b161e3531ac1fc22c73841aad3b6b88c3a9f79131d42665d818a945e
SHA1 hash: cccee23c3e4ed32763845715eb72b282868c38b6
MD5 hash: 7ae7a7de00ee72ac9d1aca67374dc3cb
humanhash: tango-oregon-virginia-fish
File name:bTdw.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2024-01-21 13:07:21 UTC
Last seen:2024-01-22 04:35:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:30bUe5XB4e0XJgONalXCpF7r/RWTltTUFQqzFL1ObbR:cT9Bu9YlQYHbR
TLSH T18CE2084677E84225C6BD6AF88CB313254772E3438532EB6F5CDC88CA5B676D00246EED
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
371
Origin country :
US US
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/472054/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Win.Dropper.Detected-9941784-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd keylogger lolbin njrat
Link:
https://www.filescan.io/uploads/65ad17342593e1cd0bab8f5b/reports/946ad110-5313-4840-9d3c-9e3f503929d6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3cb469a6-ca88-4afa-80f7-bcb85fccf3cd
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1378277
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2024-01-21 13:08:05 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqmrgjzp2lu6jpik4lzqjqn2p2dzhg4i7dba3qanu5is63zxj6cq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat
Link:
https://tria.ge/reports/240121-qc7xbsdbep/
Behaviour
Suspicious use of AdjustPrivilegeToken
Malware Config
C2 Extraction:
20.201.119.163:1026
Unpacked files
SH256 hash:
041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85
MD5 hash:
7ae7a7de00ee72ac9d1aca67374dc3cb
SHA1 hash:
cccee23c3e4ed32763845715eb72b282868c38b6
Detections:
win_njrat
Create hunting rule
Link:
https://www.unpac.me/results/6fcc8ef2-b016-4c57-9ecc-0de1f3f66d50/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/041913272fd2/report/overview.html
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/041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85

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: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:win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:yarahub_win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

njrat

Executable exe 041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85

(this sample)

  
Link
https://www.virustotal.com/gui/file/041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/472054/

Comments