Analysis

  • max time kernel
    119s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 07:13

General

  • Target

    3b63de953a7548ecbe652af836bb63d0N.exe

  • Size

    2.0MB

  • MD5

    3b63de953a7548ecbe652af836bb63d0

  • SHA1

    a58082fe372454e2fbaba1d815586550771cd9ae

  • SHA256

    4e2d31b089c49ae49fb63d09aef54b3b7d9607f6448c803671aa07f22a1a04e8

  • SHA512

    d55f8122643d434fd05b6099267ca0bd27de0ef49333d65b9e48bd378d4a420ffb8288d353912141a1c5ae60a129699715ebb7379a11424f227f88f7898901de

  • SSDEEP

    49152:fmTWr53HxurntpSJU2mN2xl42d91cKSd5W6l/p7AFWVBpG947fVr0YfwCCkB1mpr:fmTWr53HxurntpSJU2mN2xu2d91cKSdE

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 17 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b63de953a7548ecbe652af836bb63d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3b63de953a7548ecbe652af836bb63d0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\lHGBA.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDef" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1404
    • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
      "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4220
      • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5080
        • 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:4256
          • 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:1412
        • 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\Directory\WindowsDef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3316
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3988
        • 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:2916
          • 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:4728
        • 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\IDungProV5.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\IDungProV5.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3336
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\IDungProV5.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\IDungProV5.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4380
      • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\lHGBA.txt

    Filesize

    152B

    MD5

    12506b1a3ef0e7dcef2babaaecfb81e8

    SHA1

    9564f2c31b336dab739e74cceedb5e4d07c2a563

    SHA256

    3922b88903f6e7a4cd1e9cee92f9a0de6f0cd28a4a6db73114e320fa7cbf8c8a

    SHA512

    cbf0ade56c9961edcf8018f8e1654446e17c863e8df98a78b781b4b91ca87a9ab3b1532376f245c678f6f9e00771d74dba99e0fee237ebf3f4a69473d57f0dec

  • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.txt

    Filesize

    2.0MB

    MD5

    d872a19ad8a114e8676065df78a338fb

    SHA1

    3c0ab9e3a0c35547aba1c191a054e86c87e53645

    SHA256

    9ef5b2cdea6160692b5451c40e92b369f01930ff4fbd5e8f735460d0c56522d2

    SHA512

    c92c28d1c25ca1447f84bfa5b3e57613accd2b2641f63b9c4fda1ce2a57c6533d1e8c31fd80191e44131a693a334ca04ccc6c57135f15b7d5d0b9d67d25abfe4

  • memory/4904-0-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-47-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5016-51-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5016-45-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5016-37-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5080-34-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-36-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-50-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-31-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-52-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-54-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-57-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-59-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-61-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-64-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-66-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-68-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5080-73-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB