MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0ed88c2acc141ae677f7b1b99840a43cf593557dfec56d35b70b14f52521c2f. 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


Intelligence 6 File information Yara Comments

SHA256 hash: f0ed88c2acc141ae677f7b1b99840a43cf593557dfec56d35b70b14f52521c2f
SHA3-384 hash: db673e1b7b7068179a89d4d296cc945af3446a618a4def12a190ed64f2010c879bcb40cbfda3bb8d7f81b6846a0c5024
SHA1 hash: 4c6d71df589aa00e835bac260c115e623e5cc217
MD5 hash: 2adfc56ece3bc1e09b0b6a8d019944bf
humanhash: stream-connecticut-fanta-undress
File name:SecuriteInfo.com.Trojan.DownLoader27.26722.11829.12296
Download: download sample
Signature njrat
File size:14'336 bytes
First seen:2020-08-01 19:30:18 UTC
Last seen:2020-08-02 07:32:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 192:NBhrh5c1mGbsnc5O7UVPX4T+z5L+V2cNlC9T56IW1Y8Hzjb2Up3O7LuFsvUfMxfn:NHc1NFrPP5LzcNlITSHz3LeLu6f2iP
TLSH DB521B7853A4C375C9AF1FBA5C72E60017B6FA068027EA2E19CC905B1FA325843B3775
Reporter @SecuriteInfoCom
Tags:NjRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
53
Origin country :
US US
Mail intelligence
No data
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
Njrat
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Connects to a pastebin service (likely for C&C)
Creates autostart registry keys with suspicious names
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255595 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 01/08/2020 Architecture: WINDOWS Score: 80 38 Malicious sample detected (through community Yara rule) 2->38 40 Yara detected Njrat 2->40 42 Machine Learning detection for sample 2->42 44 3 other signatures 2->44 8 SecuriteInfo.com.Trojan.DownLoader27.26722.11829.exe 16 5 2->8         started        12 cmd.exe 3 2->12         started        14 cmd.exe 2 2->14         started        16 cmd.exe 2->16         started        process3 dnsIp4 34 pastebin.com 104.23.99.190, 443, 49723, 49729 CLOUDFLARENETUS United States 8->34 26 C:\Users\user\AppData\Local\Temp\cmd.exe, PE32 8->26 dropped 28 SecuriteInfo.com.T...26722.11829.exe.log, ASCII 8->28 dropped 18 cmd.exe 18 2 8->18         started        36 104.23.98.190, 443, 49738, 49739 CLOUDFLARENETUS United States 14->36 file5 process6 dnsIp7 30 192.168.2.1 unknown unknown 18->30 32 pastebin.com 18->32 46 Machine Learning detection for dropped file 18->46 48 Creates autostart registry keys with suspicious names 18->48 22 netsh.exe 3 18->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Trojan.Disfa
Status:
Malicious
First seen:
2018-01-30 03:59:00 UTC
AV detection:
24 of 31 (77.42%)
Threat level
  5/5
Result
Malware family:
njrat
Score:
  10/10
Tags:
persistence trojan family:njrat evasion
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi

File information


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

Web download

njrat

Executable exe f0ed88c2acc141ae677f7b1b99840a43cf593557dfec56d35b70b14f52521c2f

(this sample)

  
Delivery method
Distributed via web download

Comments