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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2025, 20:56

General

  • Target

    Setup_Update/SetupUpdate.exe

  • Size

    37KB

  • MD5

    4389854ab6bd814b908dbe1c68e23845

  • SHA1

    a4f2e5c7b686105c6d9100b71fbd6b028cf530d9

  • SHA256

    a49aca0e07fbf1c5f485c12ba3b49c50a843a739c891e2c91d150764599ab6c3

  • SHA512

    aa4403e28a0001d9c259f8ce4b3e4f2ed9649fc58fd8a2f1ec12141a819b9751b5c012f06b5caad8f6656ae06224b1b134e31932f8e3ce2c4c0fd387028384e1

  • SSDEEP

    384:P/2m3hUidkiXR21cGMy8PuuRXBiFlK6IurAF+rMRTyN/0L+EcoinblneHQM3epz9:n2m3VLGv8PuuR066XrM+rMRa8Nuvdt

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\Setup_Update\SetupUpdate.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup_Update\SetupUpdate.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\Robloxxx.exe
      "C:\Users\Admin\AppData\Local\Temp\Robloxxx.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:2368
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Robloxxx.exe" "Robloxxx.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    4389854ab6bd814b908dbe1c68e23845

    SHA1

    a4f2e5c7b686105c6d9100b71fbd6b028cf530d9

    SHA256

    a49aca0e07fbf1c5f485c12ba3b49c50a843a739c891e2c91d150764599ab6c3

    SHA512

    aa4403e28a0001d9c259f8ce4b3e4f2ed9649fc58fd8a2f1ec12141a819b9751b5c012f06b5caad8f6656ae06224b1b134e31932f8e3ce2c4c0fd387028384e1

  • memory/2368-12-0x0000000074A50000-0x0000000075001000-memory.dmp

    Filesize

    5.7MB

  • memory/2368-14-0x0000000074A50000-0x0000000075001000-memory.dmp

    Filesize

    5.7MB

  • memory/2368-16-0x0000000074A50000-0x0000000075001000-memory.dmp

    Filesize

    5.7MB

  • memory/4860-0-0x0000000074A52000-0x0000000074A53000-memory.dmp

    Filesize

    4KB

  • memory/4860-1-0x0000000074A50000-0x0000000075001000-memory.dmp

    Filesize

    5.7MB

  • memory/4860-2-0x0000000074A50000-0x0000000075001000-memory.dmp

    Filesize

    5.7MB

  • memory/4860-13-0x0000000074A50000-0x0000000075001000-memory.dmp

    Filesize

    5.7MB