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Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2024, 02:09

General

  • Target

    4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29.exe

  • Size

    37KB

  • MD5

    2f771b3461d8ddc93842c39feca9bc44

  • SHA1

    4814441916df2c5ae700ef8b380c25a59d119789

  • SHA256

    4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29

  • SHA512

    28efaa86ee085bc9e0e5cafa5afefd2bc028479cc9a4019f9b86ae921bbf658bb2cfa0340a8de99fa2e1dcf71abd6960f3af67c01256f23c92b87cda02b3e06e

  • SSDEEP

    384:Rc3Vqi0PJZtbH9KyM+2LzmQnfSsWQLarAF+rMRTyN/0L+EcoinblneHQM3epzXTT:eYJ95M+2L6Q6tQurM+rMRa8NuFRt

Malware Config

Signatures

  • 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
  • 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.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29.exe
    "C:\Users\Admin\AppData\Local\Temp\4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
      "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2660
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe" "RuntimeBroker.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Time Discovery
        PID:1928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    2f771b3461d8ddc93842c39feca9bc44

    SHA1

    4814441916df2c5ae700ef8b380c25a59d119789

    SHA256

    4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29

    SHA512

    28efaa86ee085bc9e0e5cafa5afefd2bc028479cc9a4019f9b86ae921bbf658bb2cfa0340a8de99fa2e1dcf71abd6960f3af67c01256f23c92b87cda02b3e06e

  • memory/2660-15-0x0000000075230000-0x00000000757E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2660-16-0x0000000075230000-0x00000000757E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2660-17-0x0000000075230000-0x00000000757E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2660-18-0x0000000075230000-0x00000000757E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4912-0-0x0000000075232000-0x0000000075233000-memory.dmp

    Filesize

    4KB

  • memory/4912-1-0x0000000075230000-0x00000000757E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4912-2-0x0000000075230000-0x00000000757E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4912-12-0x0000000075232000-0x0000000075233000-memory.dmp

    Filesize

    4KB

  • memory/4912-13-0x0000000075230000-0x00000000757E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4912-14-0x0000000075230000-0x00000000757E1000-memory.dmp

    Filesize

    5.7MB