Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 13:13

General

  • Target

    3354ea30764c04bd52141dbf6e91267430a4cdfd1036663aea735f31ff7560aa.exe

  • Size

    31KB

  • MD5

    1c859f47a0a557ffb5f5cf99df7291da

  • SHA1

    e1a336d13541e88cb7bc9788681ea729695f4bd8

  • SHA256

    3354ea30764c04bd52141dbf6e91267430a4cdfd1036663aea735f31ff7560aa

  • SHA512

    5f8daac1c3751578772adaa29b71e846881d1bee651ddb7e67af918c448ef3803c050fea4248fe19ca78517ea4ab6ff4bd3dae07f157de74f039c48330d0dd68

  • SSDEEP

    768:6pMX3wpJbb2zxxO5+Oq3bisfv4BQmIDUu0tiS7Yj:fkKdisAQVkLMj

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

backup

C2

103.253.73.222:711

Mutex

769a6d2f4d6310beb643add84c2c23fd

Attributes
  • reg_key

    769a6d2f4d6310beb643add84c2c23fd

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 2 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 37 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3354ea30764c04bd52141dbf6e91267430a4cdfd1036663aea735f31ff7560aa.exe
    "C:\Users\Admin\AppData\Local\Temp\3354ea30764c04bd52141dbf6e91267430a4cdfd1036663aea735f31ff7560aa.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\3354ea30764c04bd52141dbf6e91267430a4cdfd1036663aea735f31ff7560aa.exe" "3354ea30764c04bd52141dbf6e91267430a4cdfd1036663aea735f31ff7560aa.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2900-0-0x000000007430E000-0x000000007430F000-memory.dmp

    Filesize

    4KB

  • memory/2900-1-0x0000000001120000-0x000000000112E000-memory.dmp

    Filesize

    56KB

  • memory/2900-3-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2900-4-0x000000007430E000-0x000000007430F000-memory.dmp

    Filesize

    4KB

  • memory/2900-5-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB