Analysis

  • max time kernel
    59s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 19:53

General

  • Target

    64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe

  • Size

    1.2MB

  • MD5

    d5a13575026ff1bad878147021c65943

  • SHA1

    c17909f5d4a554d1a56cca796dac5ca0575b98ee

  • SHA256

    64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199

  • SHA512

    68b62df918ecaee14a1e49597fa225e66ddbe440860090f340f6b5fbd3313ca6310dc894297887ae3cc3cb30416e9a40b612d5f009e1c95888899d78d1f38671

  • SSDEEP

    12288:tLmMsh+E0AtduJRmZJaR/M3P9MUsuyWiP8Bt6jzHl1c7:9mM8qAqJkaRE5JBtiLl

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

ROMA 1940

C2

seznam.hopto.org:1177

Mutex

58815759959944c4bb49f4885faebc1e

Attributes
  • reg_key

    58815759959944c4bb49f4885faebc1e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe
    "C:\Users\Admin\AppData\Local\Temp\64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\minocraft.exe
      "C:\Users\Admin\AppData\Local\Temp\minocraft.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\minocraft.exe" "minocraft.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2592

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\minocraft.exe

          Filesize

          1.2MB

          MD5

          d5a13575026ff1bad878147021c65943

          SHA1

          c17909f5d4a554d1a56cca796dac5ca0575b98ee

          SHA256

          64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199

          SHA512

          68b62df918ecaee14a1e49597fa225e66ddbe440860090f340f6b5fbd3313ca6310dc894297887ae3cc3cb30416e9a40b612d5f009e1c95888899d78d1f38671

        • memory/2704-10-0x0000000073E5E000-0x0000000073E5F000-memory.dmp

          Filesize

          4KB

        • memory/2704-11-0x00000000008E0000-0x0000000000A0C000-memory.dmp

          Filesize

          1.2MB

        • memory/2704-13-0x0000000073E50000-0x000000007453E000-memory.dmp

          Filesize

          6.9MB

        • memory/2704-14-0x0000000073E5E000-0x0000000073E5F000-memory.dmp

          Filesize

          4KB

        • memory/2704-15-0x0000000073E50000-0x000000007453E000-memory.dmp

          Filesize

          6.9MB

        • memory/2820-0-0x000000007454E000-0x000000007454F000-memory.dmp

          Filesize

          4KB

        • memory/2820-1-0x0000000000CE0000-0x0000000000E0C000-memory.dmp

          Filesize

          1.2MB

        • memory/2820-2-0x0000000000830000-0x000000000083C000-memory.dmp

          Filesize

          48KB