Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2024, 00:07

General

  • Target

    602f7e02f8d116467537df08f9db86f95719bb3600a421d886c731916a8e8595N.exe

  • Size

    1.7MB

  • MD5

    ff6322206f6ee2092a2660b3a0a36540

  • SHA1

    aea9b62d3d5df07baca8830fca0099abeceb7193

  • SHA256

    602f7e02f8d116467537df08f9db86f95719bb3600a421d886c731916a8e8595

  • SHA512

    2b8f8ce1b32b1128a958c4fdea52d3c773ae98c8790c327977aa782b4a75cd1a185d950724a5557b1d7b261e99a170529e54c3bb876733ca8c7a6d63dee863b9

  • SSDEEP

    12288:DZISeMFVhdL1XBvXxzGNABnwHdxkn7L1GzR1FYoxkM2N4JHUcTwoSy:VIW0rXi1GzRQo08d

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 21 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\602f7e02f8d116467537df08f9db86f95719bb3600a421d886c731916a8e8595N.exe
    "C:\Users\Admin\AppData\Local\Temp\602f7e02f8d116467537df08f9db86f95719bb3600a421d886c731916a8e8595N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\VmtxO.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Window Updates" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2872
    • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2940
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2084
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2728
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1656
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2616
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2236
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2840
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1788
      • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    158B

    MD5

    1954c7e666c5b4d1117ef07bc0c9b8ec

    SHA1

    559e3c0273c1463e9184027b749bdaad0a372681

    SHA256

    35e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693

    SHA512

    3939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a

  • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe

    Filesize

    1.7MB

    MD5

    1ce07f950fe492a6e75862497a851cd3

    SHA1

    6a6349a73af88c816a832b4bd64cd3b30aec3f92

    SHA256

    aee27dfe54fdae901a109d36e7c3d18a50b7ac79893a1f3a69886eefd0e8ed5b

    SHA512

    61fe61f8129217caaf9acb2979a51e52be1dc3e3230417e50875d64ba267138f8191087290df8a403827225858174b63acc4065b9519bfdcb25711c6c09cc018

  • memory/2104-42-0x0000000003250000-0x0000000003403000-memory.dmp

    Filesize

    1.7MB

  • memory/2104-44-0x0000000000400000-0x00000000005B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2104-0-0x0000000000400000-0x00000000005B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2432-63-0x0000000000400000-0x00000000005B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2864-73-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2864-65-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2864-62-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2864-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3008-49-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-54-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-55-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-70-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-71-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-52-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-75-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-77-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-80-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-82-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-84-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-89-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3008-94-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB