MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b96d9319d131de965ffca4c9e3ede73783dabf45de05bbe0bf21656f2eb2a32f. 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: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b96d9319d131de965ffca4c9e3ede73783dabf45de05bbe0bf21656f2eb2a32f
SHA3-384 hash: caf5934591d43a21f7b86fed1cc4a56034e9fab15754495cb99ebcfa5fc3bce7c7fbe72ec4634d35b44a249c099469bb
SHA1 hash: 4aa93eec26752fc3e3907de83fcb1e66ca5a619b
MD5 hash: a26b443ea78fd638b20845e33660c17d
humanhash: winner-bacon-cat-mars
File name:a26b443ea78fd638b20845e33660c17d.exe
Download: download sample
Signature njrat
Create hunting rule
File size:300'544 bytes
First seen:2021-09-21 00:45:51 UTC
Last seen:2021-09-21 01:54:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 6144:fp140kYW/gyTHm5Cudvb6W4BAHYzXbhPjap88888888888888888888888888887:fpO0ZT5xvbsKMhuV
Threatray 692 similar samples on MalwareBazaar
TLSH T18C54F7E11593069FCC2E2DF18D017D54C9DFDFBBE5A054BA612CB528C9BF2C1128A2AD
File icon (PE):PE icon
dhash icon b2ccaaf0d4b0c8b2 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
147.189.171.201:444

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
147.189.171.201:444 https://threatfox.abuse.ch/ioc/224151/

Intelligence

File Origin
# of uploads :
2
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a26b443ea78fd638b20845e33660c17d.exe
Verdict:
Malicious activity
Analysis date:
2021-09-21 00:49:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/85b6570e-c899-42a5-9bfc-b27ec46dba3b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Mercurial
Create hunting rule
Link:
https://www.capesandbox.com/analysis/189625/
Detection(s):
SecuriteInfo.com.Trojan.MulDropNET.12.21470.18631.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Launching a service
DNS request
Connection attempt
Sending a custom TCP request
Blocking the Windows Defender launch
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6b7481e7-ecd1-4eee-8035-b06efaea6ac1
Result
Threat name:
MercurialGrabber
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854500
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Detected unpacking (overwrites its own PE header)
Disables Windows Defender (via service or powershell)
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses cmd line tools excessively to alter registry or file data
Yara detected MercurialGrabber
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 486931 Sample: 1s5kYv6nHD.exe Startdate: 21/09/2021 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->89 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus detection for dropped file 2->93 95 11 other signatures 2->95 9 1s5kYv6nHD.exe 7 2->9         started        13 Runtime Broker.exe 2->13         started        15 Windows.exe 2->15         started        process3 file4 67 C:\Users\user\AppData\...\Quvyzmnikgv.exe, PE32 9->67 dropped 69 C:\Users\user\AppData\...\Izsxasgbtigol.exe, PE32 9->69 dropped 71 C:\Users\user\AppData\...behaviorgraphwmwerhwgmdq.exe, PE32 9->71 dropped 73 C:\Users\user\AppData\...\1s5kYv6nHD.exe.log, ASCII 9->73 dropped 115 Detected unpacking (overwrites its own PE header) 9->115 17 Gwmwerhwgmdq.exe 2 5 9->17         started        22 Izsxasgbtigol.exe 14 4 9->22         started        24 Quvyzmnikgv.exe 1 2 9->24         started        signatures5 process6 dnsIp7 77 192.168.2.1 unknown unknown 17->77 65 C:\Users\user\AppData\...\Runtime Broker.exe, PE32 17->65 dropped 97 Antivirus detection for dropped file 17->97 99 Multi AV Scanner detection for dropped file 17->99 101 Machine Learning detection for dropped file 17->101 103 Uses cmd line tools excessively to alter registry or file data 17->103 26 Runtime Broker.exe 17->26         started        31 attrib.exe 17->31         started        79 ip-api.com 208.95.112.1, 49735, 80 TUT-ASUS United States 22->79 81 ip4.seeip.org 23.128.64.141, 443, 49734 JOESDATACENTERUS United States 22->81 83 discord.com 162.159.135.232, 443, 49736, 49737 CLOUDFLARENETUS United States 22->83 105 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->105 107 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 22->107 109 May check the online IP address of the machine 22->109 111 Queries memory information (via WMI often done to detect virtual machines) 22->111 33 conhost.exe 22->33         started        113 Disables Windows Defender (via service or powershell) 24->113 35 powershell.exe 24 24->35         started        37 powershell.exe 24->37         started        39 powershell.exe 24->39         started        41 11 other processes 24->41 file8 signatures9 process10 dnsIp11 85 147.189.171.201, 444, 49745 JANETJiscServicesLimitedGB United Kingdom 26->85 87 discord.com 26->87 75 C:\Users\user\AppData\Roaming\...\Windows.exe, PE32 26->75 dropped 117 Protects its processes via BreakOnTermination flag 26->117 119 Uses cmd line tools excessively to alter registry or file data 26->119 121 Creates multiple autostart registry keys 26->121 43 attrib.exe 26->43         started        45 attrib.exe 26->45         started        47 conhost.exe 31->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        53 conhost.exe 39->53         started        55 conhost.exe 41->55         started        57 conhost.exe 41->57         started        59 9 other processes 41->59 file12 signatures13 process14 process15 61 conhost.exe 43->61         started        63 conhost.exe 45->63         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b96d9319d131de965ffca4c9e3ede73783dabf45de05bbe0bf21656f2eb2a32f/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2021-09-19 04:39:30 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfwzggorghpjmx74ute6h3phg6b5vp2f3yc3xyf7efsw6lvsumxq._file
Verdict:
malicious
Similar samples:
050e1b254473b7bbb2214fe09aa93f2dc01793331106edb7f03fc834ca0a6b17
njrat
76a038fa23b578ceaba1e950e2b70ef119f0a96148d7c2c1e13a435e43851e87
njrat
84eb2c63dd363a740147908e0926d40eba7bbde57ee54759e43c667f6a1553dc
njrat
9ce1963269efaa3e64273e20c04c215dfe781044813336fa1bdd5fe126345458
njrat
a14918133b9b818fa2e8728faa075c4f173fa69abc424f39621d6aa1405f5a18
njrat
c2603d684ad273865985ea6e7ce27c9236e173d7633a72f2378a1309d9ec77ac
njrat
d2fc34c054ab90dac2ccd47e10185851f2c739b104daaded435ef006ef56944a
njrat
+ 682 additional samples on MalwareBazaar
Result
Malware family:
mercurialgrabber
Create hunting rule
Score:
  10/10
Tags:
family:mercurialgrabber evasion persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/210921-a4msgaachm/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Program crash
Adds Run key to start application
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Windows security modification
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Detected Mercurial Grabber
Mercurial Grabber Stealer
Modifies Windows Defender Real-time Protection settings
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
2cd3569be624b29aceeaaf3a5c445e92b654ed1340563c8afcd624bb1ff1e3eb
MD5 hash:
486e5455e5a7b1edf125a86c37ca3a5a
SHA1 hash:
a93e3f16749dafa3ca288fdd1b06af8c49daa117
Link:
https://www.unpac.me/results/b1e8f18e-872c-4777-aa6a-3e72cee2e522/
SH256 hash:
5ee7d8272409a296de5ea6532e66a0ffe2adfbb5597d3713c488eff2cb39877b
MD5 hash:
01ed38c2ac0a65b9ad3f501a8ef8cb4e
SHA1 hash:
a29a708210d7417a1617c814dfe2bc1e12fe4b71
Link:
https://www.unpac.me/results/b1e8f18e-872c-4777-aa6a-3e72cee2e522/
SH256 hash:
3c735960a2b572857b99fcb4662aab9817796510b765411d3ca6d848e175a900
MD5 hash:
2f827591b8d9e45967a408695c5bfff3
SHA1 hash:
5b0b9230e994581c73cd1d52ac2c75f0324ce251
Link:
https://www.unpac.me/results/b1e8f18e-872c-4777-aa6a-3e72cee2e522/
SH256 hash:
b96d9319d131de965ffca4c9e3ede73783dabf45de05bbe0bf21656f2eb2a32f
MD5 hash:
a26b443ea78fd638b20845e33660c17d
SHA1 hash:
4aa93eec26752fc3e3907de83fcb1e66ca5a619b
Link:
https://www.unpac.me/results/b1e8f18e-872c-4777-aa6a-3e72cee2e522/
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/b96d9319d131de965ffca4c9e3ede73783dabf45de05bbe0bf21656f2eb2a32f

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/189625/

Comments