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Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2025, 04:03

General

  • Target

    cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19N.exe

  • Size

    23KB

  • MD5

    4ab6caa1143a0bf110bfde47d5285ac0

  • SHA1

    afb9ceb67fcaee2beb9cd08d45018cabb7ece4bf

  • SHA256

    cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19

  • SHA512

    6e0bab4035120373702eb6faa77a8c4b11a3c654a3c6890a61aa6d4285cc0bb7933d2bb38772bbf4f3c590c017205d6e005a846f77cc9fab9b53dda4aeb3c4e9

  • SSDEEP

    384:07luBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZu4:0EOmhtIiRpcnug

Malware Config

Signatures

  • Njrat family
  • 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19N.exe
    "C:\Users\Admin\AppData\Local\Temp\cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\AppData\Roaming\temp22.exe
      "C:\Users\Admin\AppData\Roaming\temp22.exe"
      2⤵
      • 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:400
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\temp22.exe" "temp22.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:640
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTcyMjU3MDkxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:4636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\temp22.exe

    Filesize

    23KB

    MD5

    4ab6caa1143a0bf110bfde47d5285ac0

    SHA1

    afb9ceb67fcaee2beb9cd08d45018cabb7ece4bf

    SHA256

    cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19

    SHA512

    6e0bab4035120373702eb6faa77a8c4b11a3c654a3c6890a61aa6d4285cc0bb7933d2bb38772bbf4f3c590c017205d6e005a846f77cc9fab9b53dda4aeb3c4e9

  • memory/400-12-0x0000000073CC0000-0x0000000074271000-memory.dmp

    Filesize

    5.7MB

  • memory/400-14-0x0000000073CC0000-0x0000000074271000-memory.dmp

    Filesize

    5.7MB

  • memory/400-16-0x0000000073CC0000-0x0000000074271000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-0-0x0000000073CC2000-0x0000000073CC3000-memory.dmp

    Filesize

    4KB

  • memory/4612-1-0x0000000073CC0000-0x0000000074271000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-2-0x0000000073CC0000-0x0000000074271000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-13-0x0000000073CC0000-0x0000000074271000-memory.dmp

    Filesize

    5.7MB