Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2024 04:54

General

  • Target

    f62f7ccab9b9dc9e6876a65cdad855382a535adf3a189be8f4cab9180e51a4d4.exe

  • Size

    23KB

  • MD5

    e99ba45c0b874c8699b7799a7b74ac44

  • SHA1

    15f2db71c080c74ce9a7d31a0463d831f98a8b4f

  • SHA256

    f62f7ccab9b9dc9e6876a65cdad855382a535adf3a189be8f4cab9180e51a4d4

  • SHA512

    3c64b42beae02caf5b53882b88aea813136f0654a0bc2f3e89718bc6d14845504cd68cef500db0e760ede31aabe0a274c27e130443f7a8fb8357dd347354a165

  • SSDEEP

    384:QoWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIe:f7O89p2rRpcnuQ

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.

  • 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 3 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 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f62f7ccab9b9dc9e6876a65cdad855382a535adf3a189be8f4cab9180e51a4d4.exe
    "C:\Users\Admin\AppData\Local\Temp\f62f7ccab9b9dc9e6876a65cdad855382a535adf3a189be8f4cab9180e51a4d4.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    23KB

    MD5

    e99ba45c0b874c8699b7799a7b74ac44

    SHA1

    15f2db71c080c74ce9a7d31a0463d831f98a8b4f

    SHA256

    f62f7ccab9b9dc9e6876a65cdad855382a535adf3a189be8f4cab9180e51a4d4

    SHA512

    3c64b42beae02caf5b53882b88aea813136f0654a0bc2f3e89718bc6d14845504cd68cef500db0e760ede31aabe0a274c27e130443f7a8fb8357dd347354a165

  • memory/1408-13-0x0000000074930000-0x0000000074EE1000-memory.dmp

    Filesize

    5.7MB

  • memory/1408-14-0x0000000074930000-0x0000000074EE1000-memory.dmp

    Filesize

    5.7MB

  • memory/1408-15-0x0000000074930000-0x0000000074EE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-0-0x0000000074932000-0x0000000074933000-memory.dmp

    Filesize

    4KB

  • memory/2524-1-0x0000000074930000-0x0000000074EE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-2-0x0000000074930000-0x0000000074EE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-12-0x0000000074930000-0x0000000074EE1000-memory.dmp

    Filesize

    5.7MB