Analysis

  • max time kernel
    150s
  • 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
    17-12-2024 15:30

General

  • Target

    72f1513b6c29378f8e7cb14a727ccdea12f1581ebcb84a2a5dd7da8a2b70cc6d.exe

  • Size

    37KB

  • MD5

    266dab6809fcc7a59f79a36edfff6682

  • SHA1

    ab0b69adea1fffa3f35705db40c9b4531624ea84

  • SHA256

    72f1513b6c29378f8e7cb14a727ccdea12f1581ebcb84a2a5dd7da8a2b70cc6d

  • SHA512

    4a8b8904023deb4b31f42bf50cb9d3e5018158a52fde270dac933f6978153b9c9bf801093d7aec22e654c7ff50e57f970db9b14ffbf4e3e61df5858ad2830f15

  • SSDEEP

    384:oGnsiDjT95hL5YyUvZ7vLOw4qYddlrAF+rMRTyN/0L+EcoinblneHQM3epzXPNra:dvv5zUvZ7blYrlrM+rMRa8Nu58t

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.

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72f1513b6c29378f8e7cb14a727ccdea12f1581ebcb84a2a5dd7da8a2b70cc6d.exe
    "C:\Users\Admin\AppData\Local\Temp\72f1513b6c29378f8e7cb14a727ccdea12f1581ebcb84a2a5dd7da8a2b70cc6d.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4000
      • 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:4800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    266dab6809fcc7a59f79a36edfff6682

    SHA1

    ab0b69adea1fffa3f35705db40c9b4531624ea84

    SHA256

    72f1513b6c29378f8e7cb14a727ccdea12f1581ebcb84a2a5dd7da8a2b70cc6d

    SHA512

    4a8b8904023deb4b31f42bf50cb9d3e5018158a52fde270dac933f6978153b9c9bf801093d7aec22e654c7ff50e57f970db9b14ffbf4e3e61df5858ad2830f15

  • memory/2124-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

    Filesize

    4KB

  • memory/2124-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2124-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2124-13-0x0000000074D32000-0x0000000074D33000-memory.dmp

    Filesize

    4KB

  • memory/2124-14-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4000-12-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4000-16-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB