Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 02:32

General

  • Target

    d127438f40faf4bb94445ce312f8acf0N.exe

  • Size

    1.9MB

  • MD5

    d127438f40faf4bb94445ce312f8acf0

  • SHA1

    52c33cd24893a76a6112cebc20896f6060546a37

  • SHA256

    586359221ed79aefdcaaad54b61d6a19882396160a002e8dbaa441c63a022f81

  • SHA512

    28348c106d553e2fd15ed3154ada30f9cb23bccfbbf6e8c6c31fbfc2b7102b7a3d76e181536037f366ad188c65218ba5fcdd51406ddb9e18622212f5f2e5961a

  • SSDEEP

    49152:CLIUXQgBiI6i2KFU0yBfM7a9QDosGeo403e0CpcKYGIDlWIwRBOn5PvGYKMf/1Zu:SIUXQgBiI6i2KFU0yBfM7a9QDosGeo4d

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 IoCs
  • UPX packed file 21 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 1 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 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d127438f40faf4bb94445ce312f8acf0N.exe
    "C:\Users\Admin\AppData\Local\Temp\d127438f40faf4bb94445ce312f8acf0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\JIDRM.exe
      "C:\Users\Admin\AppData\Local\Temp\JIDRM.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2736
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\FUamP.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "csrs" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2708
    • C:\Users\Admin\AppData\Roaming\csrs.exe
      "C:\Users\Admin\AppData\Roaming\csrs.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Users\Admin\AppData\Roaming\csrs.exe
        C:\Users\Admin\AppData\Roaming\csrs.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2224
        • 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:2092
          • 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:1476
        • 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\csrs.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2096
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\csrs.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2764
        • 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:1680
          • 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:2928
        • 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\svhost32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhost32.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2776
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svhost32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhost32.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    130B

    MD5

    34a635bb69f9dc2d8e8ceba2f6b25308

    SHA1

    66bbd6b4eb975af0a799c6be7aaed6917f5df10c

    SHA256

    eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a

    SHA512

    ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545

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

    Filesize

    12KB

    MD5

    466773bfcbd01059584cdae36e3c281c

    SHA1

    81e68615ef27cf363d6fe96582433c8a7ce8043b

    SHA256

    21f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105

    SHA512

    1088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f

  • \Users\Admin\AppData\Roaming\csrs.exe

    Filesize

    1.9MB

    MD5

    f44a12e072bb5c7f02a8d6ef5af722c6

    SHA1

    19ccc0ef4cf857a82f46b8a53e1402d3fcd53293

    SHA256

    3a6189bae77e82989407e128201bad61808831ea78c3dc3fb66aa6ce769586d4

    SHA512

    87ff762dc0a6ed9b8bcd7f0c8f527a4fd1c58f1c7beabb0012ba4bf290724558884034493d80aec8cc76b154adaf8528596841a697e696186c1b4efcad9fe9d7

  • memory/2112-62-0x0000000003340000-0x000000000351D000-memory.dmp

    Filesize

    1.9MB

  • memory/2112-11-0x0000000001F10000-0x0000000001F27000-memory.dmp

    Filesize

    92KB

  • memory/2112-12-0x0000000001F10000-0x0000000001F27000-memory.dmp

    Filesize

    92KB

  • memory/2112-20-0x0000000001F20000-0x0000000001F37000-memory.dmp

    Filesize

    92KB

  • memory/2112-19-0x0000000001F20000-0x0000000001F37000-memory.dmp

    Filesize

    92KB

  • memory/2112-0-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/2112-67-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/2224-84-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-89-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-71-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-106-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-76-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-75-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-73-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-101-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-96-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-87-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-94-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2224-92-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2736-22-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2736-82-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/3056-64-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/3056-74-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB