Analysis

  • max time kernel
    149s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2024 05:55

General

  • Target

    2f5163f44eeb37c14d44b840f20ca8fb802e5d789697521370175803398606eeN.exe

  • Size

    1.7MB

  • MD5

    0f9c029baea685090e645b81a400fe20

  • SHA1

    6b3e9301de58528effd8dd3865279b74db6412e6

  • SHA256

    2f5163f44eeb37c14d44b840f20ca8fb802e5d789697521370175803398606ee

  • SHA512

    6b9d107821a9a0aaf292133f6e488e119c3540ba5c9dca9f77153d36fdb3d8d605a12ce9e04454938e0fe4e7dde9918c98246e03323a421e573565e611bce13d

  • SSDEEP

    12288:DZISeMFVhdL1XBvXxzGNABnwHdxkn7L1GzR1FYoxkM2N4JHUcTwoSj:VIW0rXi1GzRQo08I

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 24 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\2f5163f44eeb37c14d44b840f20ca8fb802e5d789697521370175803398606eeN.exe
    "C:\Users\Admin\AppData\Local\Temp\2f5163f44eeb37c14d44b840f20ca8fb802e5d789697521370175803398606eeN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\UpmPt.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2740
      • 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:2824
    • 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:2704
      • 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:2684
        • 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:2716
          • 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:2224
        • 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:2988
          • 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:1228
        • 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:2076
          • 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:1124
        • 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:2548
          • 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:1044
      • 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:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    158B

    MD5

    1954c7e666c5b4d1117ef07bc0c9b8ec

    SHA1

    559e3c0273c1463e9184027b749bdaad0a372681

    SHA256

    35e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693

    SHA512

    3939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a

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

    Filesize

    1.7MB

    MD5

    d151e4056c2a45162e6c0eb6b2ef8938

    SHA1

    e26f3d22b4a8b40c943f715d6b356647366d0d8f

    SHA256

    4815e0e85afdcc47764fca36a5534b48160fa08c38dcf081652dfef32879429f

    SHA512

    d775f6f01c60f29e086a90797815e791fb6ca5e161c4f86cbe02975bd75578dc3e497b2e9adf4719cb9074a00d1095e4dd790ebc3721f823b3469a31ccc9ab89

  • memory/376-43-0x0000000003510000-0x00000000036C3000-memory.dmp

    Filesize

    1.7MB

  • memory/376-45-0x0000000000400000-0x00000000005B3000-memory.dmp

    Filesize

    1.7MB

  • memory/376-2-0x0000000000400000-0x00000000005B3000-memory.dmp

    Filesize

    1.7MB

  • memory/376-42-0x0000000003510000-0x00000000036C3000-memory.dmp

    Filesize

    1.7MB

  • memory/2684-80-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-82-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-101-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-63-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-60-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-96-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-91-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-56-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-55-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-87-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-84-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-73-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-77-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2684-75-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2704-51-0x0000000000400000-0x00000000005B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2704-59-0x0000000000400000-0x00000000005B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2704-50-0x0000000002890000-0x0000000002A43000-memory.dmp

    Filesize

    1.7MB

  • memory/2732-74-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2732-65-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2732-70-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2732-67-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2732-57-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB