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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2024, 21:07

General

  • Target

    c6dbe6f1e1e42ab6dbb526896e11c87e.exe

  • Size

    217KB

  • MD5

    c6dbe6f1e1e42ab6dbb526896e11c87e

  • SHA1

    310d657f36d8f084888b9e9a599c3441df01a1e9

  • SHA256

    3367c0963adf7f0ac8db6d13fb6335710986c7d600518078ca8112c8b100480a

  • SHA512

    ff404536401e3dc49795c32154ba8dcf3590ef0c1251e9999d7689287210ace9da4fce4f69ea7b7b5d4d814fba4ab6f6a7e78999b3cab4bf9169c9d985371b31

  • SSDEEP

    3072:esnuciTDfIT9A+sYrxzavZrWCb1ulwQBnRgztcFFXYVfrvfd59P3kLJ/pI1tTXDV:uXVYr0hrWxwQBRgS1YVrj9cLJpI

Score
10/10

Malware Config

Signatures

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

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 4 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).

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6dbe6f1e1e42ab6dbb526896e11c87e.exe
    "C:\Users\Admin\AppData\Local\Temp\c6dbe6f1e1e42ab6dbb526896e11c87e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2184
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4924
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4952
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2120
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4372
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4392
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:212
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\test.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\test.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\test.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\test.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:3084
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\spsreng.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\spsreng.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:928
      • C:\Users\Admin\AppData\Local\Temp\dmview.exe
        "C:\Users\Admin\AppData\Local\Temp\dmview.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5092
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          4⤵
          • Suspicious use of SetWindowsHookEx
          PID:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    217KB

    MD5

    c6dbe6f1e1e42ab6dbb526896e11c87e

    SHA1

    310d657f36d8f084888b9e9a599c3441df01a1e9

    SHA256

    3367c0963adf7f0ac8db6d13fb6335710986c7d600518078ca8112c8b100480a

    SHA512

    ff404536401e3dc49795c32154ba8dcf3590ef0c1251e9999d7689287210ace9da4fce4f69ea7b7b5d4d814fba4ab6f6a7e78999b3cab4bf9169c9d985371b31

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\spsreng.exe

    Filesize

    8KB

    MD5

    39c1190b83310d30218620b3f6fdcc57

    SHA1

    87ff6a885a24d845635ca3efdc692679b0d82a79

    SHA256

    070da9f830f2256fa697ee0674dd7861675e0e14cf622ed68315a8dda0ccefb7

    SHA512

    a1c2bd372638d0b7a33c8a604c7dd1b7af974363c6e19140db9b2aafebfdd2ea032d616337ddc568963ecf33d0a0956d84804ff6a5da772a4385038a6d581c53

  • memory/928-28-0x0000000000880000-0x0000000000890000-memory.dmp

    Filesize

    64KB

  • memory/928-39-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/928-38-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/928-37-0x0000000000880000-0x0000000000890000-memory.dmp

    Filesize

    64KB

  • memory/928-29-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/928-27-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/2184-9-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2184-10-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2184-7-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2184-11-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3100-2-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/3100-32-0x0000000001C50000-0x0000000001C60000-memory.dmp

    Filesize

    64KB

  • memory/3100-31-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/3100-1-0x0000000001C50000-0x0000000001C60000-memory.dmp

    Filesize

    64KB

  • memory/3100-0-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/5092-35-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/5092-36-0x0000000001800000-0x0000000001810000-memory.dmp

    Filesize

    64KB

  • memory/5092-34-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/5092-48-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB

  • memory/5092-49-0x0000000074FB0000-0x0000000075561000-memory.dmp

    Filesize

    5.7MB