MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58
SHA3-384 hash: d75952c51ca670a5e31424afe0275b88c89c8598892ac23178ae31832a422abd16e421ca0428c9c0b09a3d4bdc57b9bf
SHA1 hash: 1c6ef0d9714e223e42e15c015481e96291a546e0
MD5 hash: 6422355143a1281beb8bbbc90db64249
humanhash: winner-gee-july-alabama
File name:bTdz.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2024-01-21 16:07:21 UTC
Last seen:2024-01-22 04:35:08 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:S0bUe5XB4e0XqOzDw0Q0mS03AWTxtTUFQqzFt8Obbl:LT9BuZ455dIzbl
TLSH T1A4E208067BE94215D6BC5AFC8CB313214772E3838532EB6F9CDC88CA4B676D00655EE9
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 :
3
# of downloads :
387
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/472074/
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd keylogger lolbin njrat
Link:
https://www.filescan.io/uploads/65ad4164fbf3a226eec8f9c5/reports/be6cbaab-edbc-4343-ac3b-b63364c089df/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58
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/774791a6-8e6e-4a5b-8c29-d18cc745f9c5
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1378306
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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 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/654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2024-01-21 16:08:04 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=mvcvh67t5mvu2yxwe3x43ao2teab7b4fpr7p3d2j7aubiwibrrma._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-tk7s3seaep/
Behaviour
Suspicious use of AdjustPrivilegeToken
Malware Config
C2 Extraction:
20.234.71.164:1021
Unpacked files
SH256 hash:
654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58
MD5 hash:
6422355143a1281beb8bbbc90db64249
SHA1 hash:
1c6ef0d9714e223e42e15c015481e96291a546e0
Detections:
win_njrat
Create hunting rule
Link:
https://www.unpac.me/results/10978e27-caae-40c8-9013-9c07e9439663/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/654553fbf3eb/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/654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58

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 654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58

(this sample)

  
Link
https://www.virustotal.com/gui/file/654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/472074/

Comments