General

  • Target

    NLBrute 1.2 x64 & VPN - KeyGen.exe

  • Size

    2.7MB

  • Sample

    220821-13yrfsfbfl

  • MD5

    b5ab8cc485d3d593884cf23097922fcf

  • SHA1

    94db6a99f0ccafee1afc706206e6064330c131fc

  • SHA256

    1c6fe05278c9d74ecf0f6d76636a7945f2d72427dde2fdf3deac27fbb3272815

  • SHA512

    7097d2d03e9820d5c930af5b75496b8e194f68097d3e1f0c70d46b8d743bbc504b02e2f429c4183e5fe0ff223cd200d3c22972691838b81a60da6a806b8f5d15

  • SSDEEP

    49152:9eaxJWyY37qalukLrykLYK6KdMea44rbnpVInLHA/Zy0GJudSZkAg1Gs/zBhB2vE:9Jxs7qpOykcKJdO4czboTQ1G8SucshA+

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

(01Bx)

C2

d3co4r.duckdns.org:5552

Mutex

321cd4014403b2277502d40883f15d2d

Attributes
  • reg_key

    321cd4014403b2277502d40883f15d2d

  • splitter

    |'|'|

Targets

    • Target

      NLBrute 1.2 x64 & VPN - KeyGen.exe

    • Size

      2.7MB

    • MD5

      b5ab8cc485d3d593884cf23097922fcf

    • SHA1

      94db6a99f0ccafee1afc706206e6064330c131fc

    • SHA256

      1c6fe05278c9d74ecf0f6d76636a7945f2d72427dde2fdf3deac27fbb3272815

    • SHA512

      7097d2d03e9820d5c930af5b75496b8e194f68097d3e1f0c70d46b8d743bbc504b02e2f429c4183e5fe0ff223cd200d3c22972691838b81a60da6a806b8f5d15

    • SSDEEP

      49152:9eaxJWyY37qalukLrykLYK6KdMea44rbnpVInLHA/Zy0GJudSZkAg1Gs/zBhB2vE:9Jxs7qpOykcKJdO4czboTQ1G8SucshA+

    • Detect Neshta payload

    • Modifies system executable filetype association

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks