MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c15e0fc3aff8a87c89fa2d77dcef23fb0a532d28781ff1eeb7bce5e4cce4dfdf. 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: c15e0fc3aff8a87c89fa2d77dcef23fb0a532d28781ff1eeb7bce5e4cce4dfdf
SHA3-384 hash: b00705715ab197947151918feae71f3720c82a393e504e4eb60b1426fe9f0232b34410253e872f7066e49ec57e89c7a3
SHA1 hash: 5faf87bff2c9a2255328b934d0da4427239459ec
MD5 hash: 58ad9622adf709180ce51c9ec8fb2091
humanhash: spaghetti-seven-ceiling-carpet
File name:c15e0fc3aff8a87c89fa2d77dcef23fb0a532d28781ff1eeb7bce5e4cce4dfdf
Download: download sample
Signature njrat
File size:1'033'608 bytes
First seen:2021-08-31 06:47:30 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+eWsN3skA4RV1Hom2KXMmHay5uertmY3Z5S:Zh+ZkldoPK8YayGYS
Threatray 1'188 similar samples on MalwareBazaar
TLSH T1B2259D02B3D5C076FFABA2739F69B24256BC6D250133842F13982DB9BD711B1127E663
dhash icon 28ad9a395654a4c6 (17 x njrat)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
504
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c15e0fc3aff8a87c89fa2d77dcef23fb0a532d28781ff1eeb7bce5e4cce4dfdf
Verdict:
Malicious activity
Analysis date:
2021-08-31 07:26:42 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
DNS request
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: Suspicious Process Start Without DLL
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 dnsIp2 2 Behavior Graph ID: 474806 Sample: 45sbBX1fC7 Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 42 microsoftdnsbug.duckdns.org 2->42 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 11 other signatures 2->52 8 AppVCatalog.exe 1 2->8         started        11 45sbBX1fC7.exe 3 2->11         started        14 AppVCatalog.exe 1 2->14         started        16 AppVCatalog.exe 2->16         started        signatures3 process4 file5 56 Antivirus detection for dropped file 8->56 58 Binary is likely a compiled AutoIt script file 8->58 60 Contains functionality to inject code into remote processes 8->60 64 3 other signatures 8->64 18 schtasks.exe 1 8->18         started        20 RegAsm.exe 3 8->20         started        40 C:\Users\user\...\AppVCatalog.exe, PE32 11->40 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 11->62 22 RegAsm.exe 3 4 11->22         started        26 schtasks.exe 1 11->26         started        28 schtasks.exe 1 14->28         started        30 RegAsm.exe 2 14->30         started        32 RegAsm.exe 2 16->32         started        signatures6 process7 dnsIp8 34 conhost.exe 18->34         started        44 microsoftdnsbug.duckdns.org 181.141.7.190, 6699 EPMTelecomunicacionesSAESPCO Colombia 22->44 54 Changes the view of files in windows explorer (hidden files and folders) 22->54 36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        signatures9 process10
Threat name:
Win32.Ransomware.Bosloki
Status:
Malicious
First seen:
2021-08-22 07:59:32 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
38 of 46 (82.61%)
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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