Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 22:11

General

  • Target

    Netflix Tools PACK/GoldFlix GC Netflix Checker/GoldFlix Checker.exe

  • Size

    189KB

  • MD5

    e193f9729e48f1d4f1da645deeea8915

  • SHA1

    4e662d15f9b5e2529297c4027993bf1d896e6423

  • SHA256

    7b34cb1d71e20a0b11cc7c97c7d0ef642e038f5837aba055ab2aa95eecc83a9b

  • SHA512

    5b362dc40988fa5b762716e94cd94e2a188d3b8e02dd39a247a450cea66bb49e79b06fbf677a484df472da2222bd0cf2b8af45c549c40d808470c24bad907415

  • SSDEEP

    1536:xX4lIeP2QbPvIRhw+1Xfb5U71tufwAflMVm4T31CShWss1n/IQCX/K4reDC9PnmC:xX4lIwbPUhw+1Pb1TtCX4GPnH

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

PC_

C2

hccr.sytes.net:1411

Mutex

460557edf4b4cbfb08eadcebcbd28364

Attributes
  • reg_key

    460557edf4b4cbfb08eadcebcbd28364

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

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

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Windows directory 10 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 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Netflix Tools PACK\GoldFlix GC Netflix Checker\GoldFlix Checker.exe
    "C:\Users\Admin\AppData\Local\Temp\Netflix Tools PACK\GoldFlix GC Netflix Checker\GoldFlix Checker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Users\Admin\AppData\Local\Temp\Netflix Tools PACK\GoldFlix GC Netflix Checker\core\Launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\Netflix Tools PACK\GoldFlix GC Netflix Checker\core\Launcher.exe"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4372
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath C:\Windows\IMF\
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4024
      • C:\Windows\IMF\Windows Services.exe
        "C:\Windows\IMF\Windows Services.exe" {Arguments If Needed}
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2964
        • C:\Windows\IMF\Secure System Shell.exe
          "C:\Windows\IMF\Secure System Shell.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3608
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1672
    • C:\Users\Admin\AppData\Local\Temp\Netflix Tools PACK\GoldFlix GC Netflix Checker\core\gfsys.exe
      "C:\Users\Admin\AppData\Local\Temp\Netflix Tools PACK\GoldFlix GC Netflix Checker\core\gfsys.exe"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\winconfig.exe
        "C:\Windows\winconfig.exe"
        3⤵
        • 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:4500
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Windows\winconfig.exe" "winconfig.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vqhv2egm.zi5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\IMF\Runtime Explorer.exe

    Filesize

    144KB

    MD5

    5ea4ee24f01613f1bd403312c46b9ec9

    SHA1

    3d76201186437c8e0daba0ee37472fe3c4ef546d

    SHA256

    c81755fe990f1b023bf9b88eed4856c088755af050ea4627ed081a8203f03472

    SHA512

    73b0cc6d49db601b50a5c89b4b0f083a69efd6ff063edc03c93cac16c104173b8a1d172279e88f8a1b17b3b56f27a9fe6f207fde51729292cbacb272c75c8f53

  • C:\Windows\IMF\Secure System Shell.exe

    Filesize

    45KB

    MD5

    7d0c7359e5b2daa5665d01afdc98cc00

    SHA1

    c3cc830c8ffd0f53f28d89dcd9f3426be87085cb

    SHA256

    f1abd5ab03189e82971513e6ca04bd372fcf234d670079888f01cf4addd49809

    SHA512

    a8f82b11b045d8dd744506f4f56f3382b33a03684a6aebc91a02ea901c101b91cb43b7d0213f72f39cbb22f616ecd5de8b9e6c99fb5669f26a3ea6bcb63c8407

  • C:\Windows\IMF\Windows Services.exe

    Filesize

    46KB

    MD5

    ad0ce1302147fbdfecaec58480eb9cf9

    SHA1

    874efbc76e5f91bc1425a43ea19400340f98d42b

    SHA256

    2c339b52b82e73b4698a0110cdfe310c00c5c69078e9e1bd6fa1308652bf82a3

    SHA512

    adccd5520e01b673c2fc5c451305fe31b1a3e74891aece558f75fefc50218adf1fb81bb8c7f19969929d3fecb0fdb2cb5b564400d51e0a5a1ad8d5bc2d4eed53

  • C:\Windows\winconfig.exe

    Filesize

    419KB

    MD5

    19f1e1913d37b8698e4fc1bb350d754a

    SHA1

    922909897e1e2aa431bbe7974bb99849d1c18ad3

    SHA256

    9d9c257a3f669babda5bbbb3d143a7575f17bee0425f90f80f2ef7bd807bfbc5

    SHA512

    d178276ac46efd2614d94e2e1dd91b01aae7b565326b1dd831b47cebdbe292bf9df3cbca7bffbb34a826a138b681f2d4bf5f76dc54f9cca4b74f40f8a0dbbec1

  • memory/2188-11-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/2188-19-0x00000000067A0000-0x00000000067D6000-memory.dmp

    Filesize

    216KB

  • memory/2188-15-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/2188-13-0x0000000000A80000-0x0000000000AF0000-memory.dmp

    Filesize

    448KB

  • memory/2188-117-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/2964-72-0x0000000000A40000-0x0000000000A52000-memory.dmp

    Filesize

    72KB

  • memory/3608-89-0x0000000000F60000-0x0000000000F72000-memory.dmp

    Filesize

    72KB

  • memory/3992-7-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3992-14-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3992-6-0x0000000004F90000-0x0000000004FE6000-memory.dmp

    Filesize

    344KB

  • memory/3992-5-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

    Filesize

    40KB

  • memory/3992-4-0x0000000004DA0000-0x0000000004E32000-memory.dmp

    Filesize

    584KB

  • memory/3992-3-0x0000000005350000-0x00000000058F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3992-2-0x0000000004D00000-0x0000000004D9C000-memory.dmp

    Filesize

    624KB

  • memory/3992-1-0x00000000002C0000-0x00000000002F6000-memory.dmp

    Filesize

    216KB

  • memory/3992-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

    Filesize

    4KB

  • memory/4024-33-0x0000000005A00000-0x0000000005A1E000-memory.dmp

    Filesize

    120KB

  • memory/4024-88-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

    Filesize

    120KB

  • memory/4024-32-0x0000000005420000-0x0000000005774000-memory.dmp

    Filesize

    3.3MB

  • memory/4024-21-0x0000000004CE0000-0x0000000004D46000-memory.dmp

    Filesize

    408KB

  • memory/4024-34-0x0000000005A50000-0x0000000005A9C000-memory.dmp

    Filesize

    304KB

  • memory/4024-20-0x0000000004B40000-0x0000000004B62000-memory.dmp

    Filesize

    136KB

  • memory/4024-18-0x0000000004D80000-0x00000000053A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4024-17-0x0000000000C70000-0x0000000000CA6000-memory.dmp

    Filesize

    216KB

  • memory/4024-102-0x0000000007050000-0x0000000007058000-memory.dmp

    Filesize

    32KB

  • memory/4024-101-0x0000000007070000-0x000000000708A000-memory.dmp

    Filesize

    104KB

  • memory/4024-100-0x0000000006F70000-0x0000000006F84000-memory.dmp

    Filesize

    80KB

  • memory/4024-99-0x0000000006F60000-0x0000000006F6E000-memory.dmp

    Filesize

    56KB

  • memory/4024-78-0x000000006F6A0000-0x000000006F6EC000-memory.dmp

    Filesize

    304KB

  • memory/4024-22-0x00000000053B0000-0x0000000005416000-memory.dmp

    Filesize

    408KB

  • memory/4024-76-0x0000000005FD0000-0x0000000006002000-memory.dmp

    Filesize

    200KB

  • memory/4024-90-0x0000000006C20000-0x0000000006CC3000-memory.dmp

    Filesize

    652KB

  • memory/4024-98-0x0000000006F30000-0x0000000006F41000-memory.dmp

    Filesize

    68KB

  • memory/4024-94-0x0000000007370000-0x00000000079EA000-memory.dmp

    Filesize

    6.5MB

  • memory/4024-95-0x0000000006D30000-0x0000000006D4A000-memory.dmp

    Filesize

    104KB

  • memory/4024-96-0x0000000006DA0000-0x0000000006DAA000-memory.dmp

    Filesize

    40KB

  • memory/4024-97-0x0000000006FB0000-0x0000000007046000-memory.dmp

    Filesize

    600KB

  • memory/4372-10-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4372-73-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4372-16-0x0000000006E90000-0x0000000006F0E000-memory.dmp

    Filesize

    504KB

  • memory/4372-57-0x0000000007740000-0x000000000775E000-memory.dmp

    Filesize

    120KB

  • memory/4372-56-0x0000000007760000-0x00000000077D6000-memory.dmp

    Filesize

    472KB

  • memory/4372-9-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4372-8-0x0000000000F70000-0x0000000000F84000-memory.dmp

    Filesize

    80KB