MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a0f711887436496355320a602ea4141f5fceed48cb960e638d9daaee70dd077. 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 3 YARA 17 File information Comments

SHA256 hash: 4a0f711887436496355320a602ea4141f5fceed48cb960e638d9daaee70dd077
SHA3-384 hash: 66345169e5cca957b450b264f84533e85d898ed79d0e0b870ee1f5a0d518832afed55217a6568c0addf50ee57799d525
SHA1 hash: 80d17f4bb56fd99c557fbe72debe057bbf54c7f9
MD5 hash: bb483e0cb23eaf8faaa78e28b5899211
humanhash: bravo-arizona-magnesium-table
File name:BB483E0CB23EAF8FAAA78E28B5899211.exe
Download: download sample
Signature njrat
File size:2'609'664 bytes
First seen:2021-11-14 06:41:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d59a4a699610169663a929d37c90be43 (76 x DCRat, 22 x njrat, 17 x SalatStealer)
ssdeep 49152:Re9YD1EbceR0aln3kLxVo54cl8LH+tkWJ0/llH8PbUEUcU7ynH/:Re9Y5EbceR0alKxcmHgkWJ0/P8ztUcUE
Threatray 381 similar samples on MalwareBazaar
TLSH T148C5F10073E48636C1BE12B4B079A3574774A821576ADBCF6BC048ED6DA23D24DB1BE3
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.134.125.175:11722

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.134.125.175:11722 https://threatfox.abuse.ch/ioc/248063/
3.134.39.220:11722 https://threatfox.abuse.ch/ioc/248064/
3.14.182.203:11722 https://threatfox.abuse.ch/ioc/248065/

Intelligence


File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
DNS request
Creating a process from a recently created file
Creating a window
Launching a process
Running batch commands
Sending a UDP request
Enabling the 'hidden' option for files in the %temp% directory
Creating a process with a hidden window
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Connection attempt
Sending an HTTP GET request
Deleting a recently created file
Searching for the window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
anti-vm bladabindi coinminer fingerprint njrat packed rat scar stealer
Result
Verdict:
MALICIOUS
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:
njRat Ades Stealer RedLine
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.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
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses netsh to modify the Windows network and firewall settings
Yara detected Ades Stealer
Yara detected Costura Assembly Loader
Yara detected Njrat
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 521245 Sample: 8z7dfDVjml.exe Startdate: 14/11/2021 Architecture: WINDOWS Score: 100 65 0.tcp.ngrok.io 2->65 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Multi AV Scanner detection for domain / URL 2->83 85 Found malware configuration 2->85 87 18 other signatures 2->87 10 8z7dfDVjml.exe 4 2->10         started        13 OpenWith.exe 2->13         started        15 ....exe 2->15         started        17 2 other processes 2->17 signatures3 process4 file5 55 C:\Users\user\AppData\...\CSGhost-v4.2.1.exe, PE32 10->55 dropped 57 C:\Users\user\AppData\Local\Temp\1121.exe, PE32 10->57 dropped 59 C:\Users\user\AppData\Local\Temp\....exe, PE32 10->59 dropped 19 1121.exe 1 3 10->19         started        23 ....exe 3 5 10->23         started        26 CSGhost-v4.2.1.exe 10->26         started        process6 dnsIp7 49 C:\Users\user\AppData\...\katzecheats.dll, PE32 19->49 dropped 51 C:\Users\user\AppData\Local\...behaviorgraphifanio.exe, PE32 19->51 dropped 89 Antivirus detection for dropped file 19->89 91 Multi AV Scanner detection for dropped file 19->91 93 Machine Learning detection for dropped file 19->93 28 Gifanio.exe 14 96 19->28         started        69 3.13.191.225, 11722, 49828, 49845 AMAZON-02US United States 23->69 71 0.tcp.ngrok.io 3.134.125.175, 11722, 49776, 49777 AMAZON-02US United States 23->71 73 2 other IPs or domains 23->73 53 C:\...\aadcb7aa3c0523a52c6ea2a71565f2d7.exe, PE32 23->53 dropped 95 Creates autostart registry keys with suspicious names 23->95 97 Drops PE files to the startup folder 23->97 99 Uses netsh to modify the Windows network and firewall settings 23->99 101 Modifies the windows firewall 23->101 33 netsh.exe 1 3 23->33         started        file8 signatures9 process10 dnsIp11 75 ip-api.com 208.95.112.1, 49780, 80 TUT-ASUS United States 28->75 77 api.ipify.org.herokudns.com 3.220.57.224, 443, 49775 AMAZON-AESUS United States 28->77 79 api.ipify.org 28->79 61 C:\Users\user\AppData\Local\...\Decoder.exe, PE32 28->61 dropped 63 C:\ProgramData\Decoder.exe, PE32 28->63 dropped 107 Antivirus detection for dropped file 28->107 109 Multi AV Scanner detection for dropped file 28->109 111 Detected unpacking (overwrites its own PE header) 28->111 113 6 other signatures 28->113 35 Decoder.exe 28->35         started        39 cmd.exe 28->39         started        41 conhost.exe 33->41         started        file12 signatures13 process14 dnsIp15 67 178.20.41.235, 41993 ASN-FRWInternetServiceProviderIT Russian Federation 35->67 103 Antivirus detection for dropped file 35->103 105 Multi AV Scanner detection for dropped file 35->105 43 conhost.exe 35->43         started        45 conhost.exe 39->45         started        47 timeout.exe 39->47         started        signatures16 process17
Threat name:
Win32.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-11-08 05:20:30 UTC
AV detection:
42 of 45 (93.33%)
Threat level:
  5/5
Result
Malware family:
redline
Score:
  10/10
Tags:
family:echelon family:njrat family:redline botnet:@xxtrez botnet:hacked evasion infostealer persistence spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Modifies Windows Firewall
Echelon
RedLine
RedLine Payload
njRAT/Bladabindi
Malware Config
C2 Extraction:
0.tcp.ngrok.io:11722
178.20.41.235:41993
Unpacked files
SH256 hash:
4a0f711887436496355320a602ea4141f5fceed48cb960e638d9daaee70dd077
MD5 hash:
bb483e0cb23eaf8faaa78e28b5899211
SHA1 hash:
80d17f4bb56fd99c557fbe72debe057bbf54c7f9
Detections:
win_njrat_w1 win_njrat_g1
Malware family:
RedLine.A
Verdict:
Malicious
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Author:ditekSHen
Description:Detects executables referencing many VPN software clients
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:MALWARE_Win_Avalon
Author:ditekSHen
Description:Avalon infostealer payload
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MALWARE_Win_RedLine
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:Netwalker
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:Detects Netwalker Ransomware
Reference:https://github.com/f0wl/configwalker
Rule name:RAT_njRat
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects njRAT
Reference:http://malwareconfig.com/stats/njRat
Rule name:RedLine_a
Author:@bartblaze
Description:Identifies RedLine stealer.
Rule name:redline_new_mem
Author:James_inthe_box
Description:Redline stealer
Reference:https://app.any.run/tasks/4921d1fe-1a14-4bf2-9d27-c443353362a8/
Rule name:redline_stealer
Author:jeFF0Falltrades
Description:This rule matches unpacked RedLine Stealer samples and derivatives (as of APR2021)
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.

Comments