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Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2024, 14:09

General

  • Target

    b2537bd00585ae2d60c717c6712be8eb.exe

  • Size

    36KB

  • MD5

    b2537bd00585ae2d60c717c6712be8eb

  • SHA1

    f5e499f7559e59c76e6a83a691b1e65965fb1aa4

  • SHA256

    b5efa74506a9cc9aa6f2f7234989edac808ffbcb35eb196815bc88bb1e8c7716

  • SHA512

    36d346de5aab25c3c3399dd647527991e01e6bceeb255c4b1f1b38045daa9039033d4e5e034d9d9b33bc70766279bab8f5e5d2b3bc4a1cea78d4b2d2430b09c5

  • SSDEEP

    768:WxjWWrXbIDTLPTQGGAnGGXkDGGeGGGGGNGGRHJARGGGGGGGGGGGGGGGGGGGGGGGK:Wxj9bsTPQGGeGGXkDGGeGGGGGNGGRHJm

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • 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).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2537bd00585ae2d60c717c6712be8eb.exe
    "C:\Users\Admin\AppData\Local\Temp\b2537bd00585ae2d60c717c6712be8eb.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\AppData\Local\Temp\init.exe
      "C:\Users\Admin\AppData\Local\Temp\init.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall set allowedprogram "C:\Users\Admin\AppData\Local\Temp\init.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1968
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\99.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4660
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 1 0.0.0.0
        3⤵
        • Runs ping.exe
        PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\99.bat

    Filesize

    212B

    MD5

    c605c627b6ffc15f055661b815307035

    SHA1

    e6c42264df0fcc11a4e6d843e86fc8f5f8181356

    SHA256

    8e1218e686e2a5b486a20f0ac6e0f095ff3f0f0c84fc53a90313dc4861e0f944

    SHA512

    81367079398ccd88bb84e30b1bba064e67859f271ae0237a649a0cfed4923d81dec039d2e6699182bddd2bd82afc7ccb643c7cadac8ebd3cbb55fd0cbb45a95f

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

    Filesize

    36KB

    MD5

    b2537bd00585ae2d60c717c6712be8eb

    SHA1

    f5e499f7559e59c76e6a83a691b1e65965fb1aa4

    SHA256

    b5efa74506a9cc9aa6f2f7234989edac808ffbcb35eb196815bc88bb1e8c7716

    SHA512

    36d346de5aab25c3c3399dd647527991e01e6bceeb255c4b1f1b38045daa9039033d4e5e034d9d9b33bc70766279bab8f5e5d2b3bc4a1cea78d4b2d2430b09c5

  • memory/1280-15-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1880-0-0x00000000003E0000-0x0000000000418000-memory.dmp

    Filesize

    224KB