MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe5673327be1a5e82fd02ff4075cdc9fc8bda0928a1cbcf22817573ca06cd9ee. 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 11 File information Comments

SHA256 hash: fe5673327be1a5e82fd02ff4075cdc9fc8bda0928a1cbcf22817573ca06cd9ee
SHA3-384 hash: 49ec717ed5655589ff57003f28563e202ef5a5140a3a8f71dcf7b9ebf42854a36a26f25afe384673a959754a5fe6f153
SHA1 hash: bc87e6997c94fc052b125bda64bc33b4e198c6bf
MD5 hash: 14249a222b24fb2b5e7a16e85866101f
humanhash: emma-eighteen-november-pip
File name:1735630566eab6c34fe1e2140e8db9929c364f0d9c86f504c9ef3243e7d3f564a89ae86b19887.dat-decoded
Download: download sample
Signature njrat
File size:32'768 bytes
First seen:2024-12-31 07:36:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 384:T0bUe5XB4e0XGODzw0Q0mS03AWTxtTUFQqzF5ObbV:AT9BuVY55dXbV
TLSH T124E218067BE94219D6BC5AFC8CB313214772E3838532EB6F5CDC88CA4B676D00645EE9
TrID 51.8% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.4% (.EXE) Win64 Executable (generic) (10522/11/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:base64-decoded exe NjRAT


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
1
# of downloads :
452
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1735630566eab6c34fe1e2140e8db9929c364f0d9c86f504c9ef3243e7d3f564a89ae86b19887.dat-decoded
Verdict:
Malicious activity
Analysis date:
2024-12-31 07:41:34 UTC
Tags:
rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
bladabindi njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
backdoor cmd config-extracted keylogger lolbin njrat njrat rat vbnet
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2024-12-30 22:39:59 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 23 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:nyan cat discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
negro2020j.duckdns.org:2020
Verdict:
Malicious
Tags:
njrat bladabindi Win.Packed.njRAT-7445143-0
YARA:
n/a
Unpacked files
SH256 hash:
fe5673327be1a5e82fd02ff4075cdc9fc8bda0928a1cbcf22817573ca06cd9ee
MD5 hash:
14249a222b24fb2b5e7a16e85866101f
SHA1 hash:
bc87e6997c94fc052b125bda64bc33b4e198c6bf
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:ByteCode_MSIL_Backdoor_NjRAT
Author:ReversingLabs
Description:Yara rule that detects NjRAT backdoor.
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:njrat_v1
Author:RandomMalware
Rule name:pe_imphash
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_njrat_bytecodes_V2_oct_2023
Author:Matthew @ Embee_Research
Rule name:yarahub_win_njrat_bytecodes_V2_oct_2023
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 fe5673327be1a5e82fd02ff4075cdc9fc8bda0928a1cbcf22817573ca06cd9ee

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments