General

  • Target

    NiptuneRAT-main.zip

  • Size

    29.9MB

  • Sample

    240317-1jw4hsgg43

  • MD5

    5602885050f75519abfe95d7501fc5b6

  • SHA1

    54214aa8b1a4d5e2692594ba4dea973e740e2c55

  • SHA256

    5b054b368eda8d148383e6a64d890b885d9a0b1898493e1008ffe1a531118b6b

  • SHA512

    7077ede3acc4b774181ff0866eeb5eb2672cdf2409384b2d46b45f8e182f3fc91bb65788c25bacc8af473a3083cc6bbbd73f5d4646b6f0fe2fb3e850c5eab7b2

  • SSDEEP

    786432:IcRNogA1jwkC0OGikNuziqXkY0Ut79NhU8odVsGmtfIC884StIC0Q5k:IcRNojskhms5G0UsVoNIzxC0Qi

Malware Config

Extracted

Family

arrowrat

Botnet

identifier

C2

IP:PORT

Mutex

mutex

Extracted

Language
ps1
Source
URLs
exe.dropper

https://github.com/z77f/362973/raw/main/$77APCONSVC.EXE

exe.dropper

https://raw.githubusercontent.com/ninhpn1337/Disable-Windows-Defender/main/source.bat

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:1337

Mutex

6רbץbZPtBΒ西勒NDME4f斯贼j

Attributes
  • delay

    1

  • install

    true

  • install_file

    $77.exe

  • install_folder

    %AppData%

aes.plain
aes.plain

Extracted

Path

C:\Users\Admin\Desktop\pp.anarh.txt

Ransom Note
Windows has encountered a problem communicating with a device connected to your computer. This error can be caused by unplugging a removable storage device such as an external USB drive while the device is in use, or by faulty hardware such as a hard drive or CD-ROM drive that is failing. You may cancel the drive check, but it is strongly recommended that you continue. If you continue to receive this this error message, wait for the hard drive check to finish and contact the hardware manufacturer. Windows will now check the drive... ALL YOUR FILES HAVE BEEN ENCRYPTED Your hard drives have been encrypted with military-grade encryption. The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To get a unique key, write to us: Email: [email protected] If you already purchased your key, please enter it below!

Targets

    • Target

      NiptuneRAT-main.zip

    • Size

      29.9MB

    • MD5

      5602885050f75519abfe95d7501fc5b6

    • SHA1

      54214aa8b1a4d5e2692594ba4dea973e740e2c55

    • SHA256

      5b054b368eda8d148383e6a64d890b885d9a0b1898493e1008ffe1a531118b6b

    • SHA512

      7077ede3acc4b774181ff0866eeb5eb2672cdf2409384b2d46b45f8e182f3fc91bb65788c25bacc8af473a3083cc6bbbd73f5d4646b6f0fe2fb3e850c5eab7b2

    • SSDEEP

      786432:IcRNogA1jwkC0OGikNuziqXkY0Ut79NhU8odVsGmtfIC884StIC0Q5k:IcRNojskhms5G0UsVoNIzxC0Qi

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • AgentTesla payload

    • Async RAT payload

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks