Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 20:50

General

  • Target

    de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe

  • Size

    113KB

  • MD5

    4a2a45fc248cfab87d9f10b39f2c3aa0

  • SHA1

    fc73fd8132452cc78056ec42d45fce47e4038e61

  • SHA256

    de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62f

  • SHA512

    ef8fb5de5bd4f9054032adf4aeaa83144a1dec459759bba078b1a5ad08eca98621f96239f22455cc76f305d09805b3ba696165ecbe39bc962713c45fc457e94f

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Rn:w5eznsjsguGDFqGx8egoxmO3rRn

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 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 4 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 25 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe
    "C:\Users\Admin\AppData\Local\Temp\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    113KB

    MD5

    4130316a78aecbd8ba2ccc91066aa11e

    SHA1

    d92865696e82667cb0793a5cd57d0d8da4afb69e

    SHA256

    61ab0295fcc4d124929f35e63505308e98eb6dfa8a7ff3a23e37f2439c047ec4

    SHA512

    24a47ebf9f796edc75566311d5f31c6c4c30c9ce01b7a73f207d058cd6c82e9b88341f70aa3a8a1ec2b7d7546ee719266a2ebcebd10704adb111ba963b3559ae

  • memory/536-17-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/536-28-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/536-21-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/536-18-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/536-19-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2376-6-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2376-16-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2376-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

    Filesize

    4KB

  • memory/2376-20-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2376-2-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2376-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2832-27-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2832-25-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2832-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB