MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8500f1744e517dfa7e8f0e08aeea29ca2625695ee2b90653a007edd1be838f54. 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: 9


Intelligence 9 IOCs 1 YARA File information Comments

SHA256 hash: 8500f1744e517dfa7e8f0e08aeea29ca2625695ee2b90653a007edd1be838f54
SHA3-384 hash: 66153d0c724fe9865ef8ab21554c2ec889f62ab6fcf0c0e90c598407b145df3d94c000c01fc6545bf706ae2f4a092e5b
SHA1 hash: 8bdbe1fd3a9da00dde1e7019014391828180959a
MD5 hash: 30f422cc3e94ca1ebfe7b514e0a3deef
humanhash: neptune-friend-edward-louisiana
File name:8500F1744E517DFA7E8F0E08AEEA29CA2625695EE2B90.exe
Download: download sample
Signature njrat
File size:3'953'793 bytes
First seen:2021-08-25 21:45:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 98304:Y+zBHWSjDdayAjCjzvJB6rpjDpdBL55C5xYdj:xFUbCBB6F3B55CnYdj
Threatray 1'209 similar samples on MalwareBazaar
TLSH T10C063312E9D580B2DA766F754636275496B8FC200F71DB5F9388B9AC9B330C0A730F96
dhash icon 004d333333171741 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
37.230.130.89:3467

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
37.230.130.89:3467 https://threatfox.abuse.ch/ioc/195982/

Intelligence


File Origin
# of uploads :
1
# of downloads :
548
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Sending a UDP request
Creating a file in the %AppData% subdirectories
Running batch commands
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Launching a tool to kill processes
Enabling autorun by creating a file
Result
Threat name:
Njrat Xmrig
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Creates files with lurking names (e.g. Crack.exe)
DNS related to crypt mining pools
Drops PE files with benign system names
Found many strings related to Crypto-Wallets (likely being stolen)
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (suspicious strings)
Protects its processes via BreakOnTermination flag
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Wscript starts Powershell (via cmd or directly)
Yara detected Njrat
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 471802 Sample: 8500F1744E517DFA7E8F0E08AEE... Startdate: 25/08/2021 Architecture: WINDOWS Score: 100 91 xmr-eu1.nanopool.org 2->91 99 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->99 101 Malicious sample detected (through community Yara rule) 2->101 103 Antivirus detection for dropped file 2->103 105 12 other signatures 2->105 10 8500F1744E517DFA7E8F0E08AEEA29CA2625695EE2B90.exe 3 11 2->10         started        14 SecurityHealthServices.exe 2->14         started        17 svchost.exe 1 2->17         started        19 4 other processes 2->19 signatures3 process4 dnsIp5 83 C:\ProgramData\system32\rarkeygen.exe, PE32 10->83 dropped 85 C:\ProgramData\system32\odbcad64.exe, PE32 10->85 dropped 87 C:\ProgramData\system32\hostd.exe, PE32 10->87 dropped 89 3 other malicious files 10->89 dropped 119 Potential malicious VBS script found (suspicious strings) 10->119 121 Creates files with lurking names (e.g. Crack.exe) 10->121 21 odbcad64.exe 10->21         started        25 wscript.exe 1 10->25         started        27 gcc-win64.exe 10->27         started        30 3 other processes 10->30 95 csrs.dynu.net 37.230.130.89, 3467, 49730 VOXILITYGB Netherlands 14->95 123 Antivirus detection for dropped file 14->123 125 Multi AV Scanner detection for dropped file 14->125 127 Protects its processes via BreakOnTermination flag 14->127 129 Machine Learning detection for dropped file 14->129 file6 signatures7 process8 dnsIp9 75 C:\Users\user\AppData\...\gcc-win32.exe, PE32 21->75 dropped 107 Multi AV Scanner detection for dropped file 21->107 32 wscript.exe 21->32         started        35 wscript.exe 21->35         started        37 wscript.exe 21->37         started        109 Suspicious powershell command line found 25->109 111 Wscript starts Powershell (via cmd or directly) 25->111 113 Bypasses PowerShell execution policy 25->113 39 powershell.exe 24 25->39         started        93 192.168.2.1 unknown unknown 27->93 77 C:\ProgramData\...\SecurityHealthServices.exe, PE32 27->77 dropped 41 wscript.exe 27->41         started        79 C:\ProgramData\system32\...\HostProcess.exe, PE32 30->79 dropped 43 wscript.exe 30->43         started        file10 signatures11 process12 signatures13 97 Wscript starts Powershell (via cmd or directly) 32->97 45 cmd.exe 32->45         started        47 cmd.exe 35->47         started        49 cmd.exe 37->49         started        51 conhost.exe 39->51         started        53 cmd.exe 41->53         started        process14 process15 55 gcc-win32.exe 45->55         started        59 conhost.exe 45->59         started        61 taskkill.exe 45->61         started        63 conhost.exe 47->63         started        65 taskkill.exe 47->65         started        67 conhost.exe 49->67         started        69 taskkill.exe 49->69         started        71 conhost.exe 53->71         started        73 taskkill.exe 53->73         started        file16 81 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32+ 55->81 dropped 115 Antivirus detection for dropped file 55->115 117 Drops PE files with benign system names 55->117 signatures17
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Status:
Malicious
First seen:
2021-03-06 23:14:42 UTC
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig miner persistence suricata
Behaviour
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
XMRig Miner Payload
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
xmrig
Unpacked files
SH256 hash:
d8bae47a2855d9ef7e4766c9f969b7f96ac1cc3da5a39a04e501cb680a59e41e
MD5 hash:
36864184766037c4b208ef78ca09bcd1
SHA1 hash:
c1f7f7edf69d88efea541f681698b980fd1e0769
SH256 hash:
fe238c28b70736d58f427f5c588eff40fc253dd0f32e87407e1317d394378e79
MD5 hash:
33bc1837a24d04bb65f1bc107c17a928
SHA1 hash:
960a82fbf1a4e6705ed87b28f3938bde5dc00aea
SH256 hash:
8500f1744e517dfa7e8f0e08aeea29ca2625695ee2b90653a007edd1be838f54
MD5 hash:
30f422cc3e94ca1ebfe7b514e0a3deef
SHA1 hash:
8bdbe1fd3a9da00dde1e7019014391828180959a
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments