MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54b32c5ed0ace52388b5e7b43704e6b3c8d5b02133c6f96c9e1b537125bee0f3. 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 8 File information Comments

SHA256 hash: 54b32c5ed0ace52388b5e7b43704e6b3c8d5b02133c6f96c9e1b537125bee0f3
SHA3-384 hash: 25a83cc1c65173cd1e91fb44e9f37884b10d0d5e094f0fb02db478106650e576c1197a67633412a84f7cb1f30df2c7bd
SHA1 hash: 82dc55eecb2de7485a7b9c367d094c909e2f460f
MD5 hash: 002d46f884f1cac49f4ab9c9960b1d84
humanhash: dakota-arizona-vermont-dakota
File name:54b32c5ed0ace52388b5e7b43704e6b3c8d5b02133c6f96c9e1b537125bee0f3
Download: download sample
Signature njrat
File size:1'033'720 bytes
First seen:2021-09-06 06:39:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:uAHnh+eWsN3skA4RV1Hom2KXMmHay5uertmY3Z5X:Zh+ZkldoPK8YayGYX
Threatray 1'229 similar samples on MalwareBazaar
TLSH T14A259D02B3D5C076FFABA2739F69B24256BC6D250133842F13982DB9BD711B1127E663
dhash icon 28ad9a395654a4c6 (17 x njrat)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
535
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
54b32c5ed0ace52388b5e7b43704e6b3c8d5b02133c6f96c9e1b537125bee0f3
Verdict:
Malicious activity
Analysis date:
2021-09-06 07:12:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Sending a UDP request
Connection attempt to an infection source
Adding an access-denied ACE
Creating a file
Creating a process with a hidden window
Creating a process from a recently created file
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling a "Do not show hidden files" option
Enabling autorun by creating a file
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 478319 Sample: HENt4tFCkS Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 11 other signatures 2->47 7 HENt4tFCkS.exe 3 2->7         started        11 AppVCatalog.exe 1 2->11         started        13 AppVCatalog.exe 1 2->13         started        process3 file4 35 C:\Users\user\...\AppVCatalog.exe, PE32 7->35 dropped 49 Binary is likely a compiled AutoIt script file 7->49 51 Contains functionality to inject code into remote processes 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 15 RegAsm.exe 3 4 7->15         started        19 schtasks.exe 1 7->19         started        55 Antivirus detection for dropped file 11->55 57 Writes to foreign memory regions 11->57 59 Allocates memory in foreign processes 11->59 21 schtasks.exe 1 11->21         started        23 RegAsm.exe 3 11->23         started        61 Injects a PE file into a foreign processes 13->61 25 schtasks.exe 1 13->25         started        27 RegAsm.exe 2 13->27         started        signatures5 process6 dnsIp7 37 microsoftdnsbug.duckdns.org 181.141.7.190, 6699 EPMTelecomunicacionesSAESPCO Colombia 15->37 39 Changes the view of files in windows explorer (hidden files and folders) 15->39 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Ransomware.Bosloki
Status:
Malicious
First seen:
2021-09-03 20:50:00 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
35 of 43 (81.40%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:limebot3 trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
autoit_exe
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
microsoftdnsbug.duckdns.org:6699
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:CN_disclosed_20180208_c
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_njrat_w1
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information


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

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