Overview

overview

10

Static

static

tmp/e0722f...ed.exe

windows7_x64

10

tmp/e0722f...ed.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    15-12-2021 23:04

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General

  • Target

    tmp/e0722f76-70d2-4ef7-97c2-49da0074ef6f_njstart_protected.exe

  • Size

    1.0MB

  • MD5

    da5f2763cf0fa84529d7ba0747010f5e

  • SHA1

    044d55baf6d230de0b283937f173bf7ed9118df1

  • SHA256

    917e6769c889cf377bd6f602a13648ec4087b3fa0fb17cbe04d480ed7469f4fb

  • SHA512

    12f5e9e3bbc33799cf1d6955562a8078ead772cd0cabb8e7a347f67fead33526cfdae1705463da35d7b4c3810b7e77f8dc2d70aacb15cec79aaab3c805313a4c

Score
10/10
njratevasionpersistencesuricatatrojan

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp\e0722f76-70d2-4ef7-97c2-49da0074ef6f_njstart_protected.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp\e0722f76-70d2-4ef7-97c2-49da0074ef6f_njstart_protected.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\tmp\e0722f76-70d2-4ef7-97c2-49da0074ef6f_njstart_protected.exe" "e0722f76-70d2-4ef7-97c2-49da0074ef6f_njstart_protected.exe" ENABLE
      2⤵
        PID:1316

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1316-56-0x0000000000000000-mapping.dmp

      Download

    • memory/1436-54-0x0000000075801000-0x0000000075803000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1436-55-0x0000000000E30000-0x0000000000E31000-memory.dmp

      Filesize

      4KB

      Download