Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 21:01

General

  • Target

    a9bff11c50565b8f5c66a8658107b7e0N.exe

  • Size

    116KB

  • MD5

    a9bff11c50565b8f5c66a8658107b7e0

  • SHA1

    0efa44b16380d2188c1eb088446690a611369adb

  • SHA256

    78ee7164306ba1caf6123517470ac2422900b60a70dfbf16e170bff0018832ea

  • SHA512

    abffe88d5a751ba492e28035aa702b263db786d31b59ecb7404a97678dfc2aef8d6b07f959e015292755bf5f65f52bea50156124ede6b139b0db4ef33f1f4d29

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMde1:P5eznsjsguGDFqGZ2rE

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9bff11c50565b8f5c66a8658107b7e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\a9bff11c50565b8f5c66a8658107b7e0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3016
    • 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:3584
      • 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:2684
        • 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:4212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

    Filesize

    400B

    MD5

    af005173cce1850423f0f999693487cb

    SHA1

    950bf700178ab02d75b959cf92f1d493acba31ef

    SHA256

    38615066450a66b2950aa946bf8eea01f16e1f0dfc7c0748609e195c317c2a7a

    SHA512

    feb37c884eba52c5e74a3a9b1c604d42e6b25b98a1389ba9677361f756897d169824b9d7c214e150f6a1f07e7e63440baa07e6119aa08b919db0533a9fdb22bc

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

    Filesize

    116KB

    MD5

    f3e87ad11ad6b2854cb36d70c0d97d8c

    SHA1

    7b86c162fb0840209970df6d0993c327d9a02689

    SHA256

    ad4f87281c537b712f94f3243e024cb597b2aa82757f7c6be42de21535b2bbde

    SHA512

    1e12fa821b578777ca4386cfbbefa680ae621fbf6395da64f300a5b572ba7aa273aed77d3a8be656f2803ede3c56392b58eb3185f64bb2b0693a765e20050878

  • memory/2684-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2684-29-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/2684-26-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/2684-27-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/3016-6-0x0000000074782000-0x0000000074783000-memory.dmp

    Filesize

    4KB

  • memory/3016-19-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/3016-7-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/3016-0-0x0000000074782000-0x0000000074783000-memory.dmp

    Filesize

    4KB

  • memory/3016-2-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/3016-1-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-21-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-20-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-28-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB