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Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2022, 04:25

General

  • Target

    bd0ba0d181c0f8133810ecc1673a2565c0d55a2d89cd521a4bfceefaac0ea7cd.exe

  • Size

    421KB

  • MD5

    6ce914cb46582678ffdf4eaba9c7fb54

  • SHA1

    cddd8251dd51ffbc7b08f61fab1ab2f194dfb254

  • SHA256

    bd0ba0d181c0f8133810ecc1673a2565c0d55a2d89cd521a4bfceefaac0ea7cd

  • SHA512

    4e259a9c8bfdcd0f1a6e54afa53d3063e6218b2e37f3bead325c705a1b2335e5910ee8d49e746dbcca98b8ce4233e32b633368783d8dc61f20c1b09838f8c40a

  • SSDEEP

    12288:ZqmpplpGoGL3etQoMiXM8gxf/Sj4yF5RkVYe99od:Z563ey8gZqj4yFIPy

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
  • UPX packed file 16 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 10 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in System32 directory 12 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd0ba0d181c0f8133810ecc1673a2565c0d55a2d89cd521a4bfceefaac0ea7cd.exe
    "C:\Users\Admin\AppData\Local\Temp\bd0ba0d181c0f8133810ecc1673a2565c0d55a2d89cd521a4bfceefaac0ea7cd.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\lncom.exe
      "C:\Windows\system32\lncom.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Modifies Installed Components in the registry
      • Loads dropped DLL
      • Modifies WinLogon
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:1460
      • C:\Windows\SysWOW64\fservice.exe
        C:\Windows\system32\fservice.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:648
        • C:\Windows\services.exe
          C:\Windows\services.exe -XP
          4⤵
          • Modifies WinLogon for persistence
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Loads dropped DLL
          • Modifies WinLogon
          • Drops file in System32 directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:752
          • C:\Windows\SysWOW64\NET.exe
            NET STOP srservice
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1636
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 STOP srservice
              6⤵
                PID:948
            • C:\Windows\SysWOW64\NET.exe
              NET STOP navapsvc
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:652
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 STOP navapsvc
                6⤵
                  PID:1092
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 596
                5⤵
                • Loads dropped DLL
                • Program crash
                PID:1716
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Windows\SysWOW64\lncom.exe.bat
            3⤵
              PID:1260
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\BD0BA0~1.EXE.bat
            2⤵
            • Deletes itself
            PID:1284
        • C:\Windows\SysWOW64\DllHost.exe
          C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
          1⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          PID:1692

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\BD0BA0~1.EXE.bat

          Filesize

          133B

          MD5

          2aacfa89d868e60ca818cdd9d0f4be14

          SHA1

          03ccf124263d883d09b4784b5524bcc87e8d56cc

          SHA256

          91e4d3689157a10f06969b157e78aebeea51706c68b0dbe6a291bd20ebe93352

          SHA512

          96cb990f0c1825b9d4bb1f2e59b24e03074dd2fc387fd6a2836449a879267d228b50dbd87d6ca46ac7a51143d1682db6e661c4252ceb692928170f513f5ce402

        • C:\Windows\SysWOW64\fservice.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • C:\Windows\SysWOW64\fservice.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • C:\Windows\SysWOW64\lncom.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • C:\Windows\SysWOW64\lncom.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • C:\Windows\SysWOW64\lncom.exe.bat

          Filesize

          99B

          MD5

          1f73e450d92934cd37c041eb3f1ff51f

          SHA1

          f3e9dece5d6b7d7a0e4966c16ffe31437539d4a0

          SHA256

          3a57d154715459926a51a9e3925687c0c78ec9c88bc39c303b5b93385d34d67e

          SHA512

          5f982d614e54870ae3ad212f049ca3685602812c1bb066a5f6155e694adb994d6d1608ca7a25bcab605812c6e7e6b22817aaf0dba9e906787add9b0a8e3f32a5

        • C:\Windows\SysWOW64\lncom_.jpg

          Filesize

          74KB

          MD5

          165cc8865c273c3c00ac910bde56d333

          SHA1

          c81bf0505a2e957322a3712e3a5a0c5fac3fc594

          SHA256

          0509b4fa42282dfdfc2406bb33c6656c96cba380953c67f0a5d913f75ae04fa2

          SHA512

          050a527c071baed8078ab7d99837acedec74c15a4125bbf71ce4f65cecee9a96dd647d688b2cd3040206737cd0776da92481fbef0c08d4f028e41390207d0beb

        • C:\Windows\SysWOW64\reginv.dll

          Filesize

          36KB

          MD5

          562e0d01d6571fa2251a1e9f54c6cc69

          SHA1

          83677ad3bc630aa6327253c7b3deffbd4a8ce905

          SHA256

          c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

          SHA512

          166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

        • C:\Windows\services.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • C:\Windows\services.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • C:\Windows\system\sservice.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • \Windows\SysWOW64\fservice.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • \Windows\SysWOW64\fservice.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • \Windows\SysWOW64\lncom.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • \Windows\SysWOW64\lncom.exe

          Filesize

          342KB

          MD5

          0c92bc50b495f273b4cb77aaa4ee713a

          SHA1

          08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

          SHA256

          b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

          SHA512

          da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

        • \Windows\SysWOW64\reginv.dll

          Filesize

          36KB

          MD5

          562e0d01d6571fa2251a1e9f54c6cc69

          SHA1

          83677ad3bc630aa6327253c7b3deffbd4a8ce905

          SHA256

          c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

          SHA512

          166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

        • \Windows\SysWOW64\reginv.dll

          Filesize

          36KB

          MD5

          562e0d01d6571fa2251a1e9f54c6cc69

          SHA1

          83677ad3bc630aa6327253c7b3deffbd4a8ce905

          SHA256

          c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

          SHA512

          166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

        • \Windows\SysWOW64\reginv.dll

          Filesize

          36KB

          MD5

          562e0d01d6571fa2251a1e9f54c6cc69

          SHA1

          83677ad3bc630aa6327253c7b3deffbd4a8ce905

          SHA256

          c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

          SHA512

          166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

        • \Windows\SysWOW64\reginv.dll

          Filesize

          36KB

          MD5

          562e0d01d6571fa2251a1e9f54c6cc69

          SHA1

          83677ad3bc630aa6327253c7b3deffbd4a8ce905

          SHA256

          c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

          SHA512

          166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

        • \Windows\SysWOW64\reginv.dll

          Filesize

          36KB

          MD5

          562e0d01d6571fa2251a1e9f54c6cc69

          SHA1

          83677ad3bc630aa6327253c7b3deffbd4a8ce905

          SHA256

          c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

          SHA512

          166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

        • \Windows\SysWOW64\winkey.dll

          Filesize

          13KB

          MD5

          b4c72da9fd1a0dcb0698b7da97daa0cd

          SHA1

          b25a79e8ea4c723c58caab83aed6ea48de7ed759

          SHA256

          45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

          SHA512

          f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

        • memory/648-77-0x0000000000400000-0x00000000005FC000-memory.dmp

          Filesize

          2.0MB

        • memory/648-86-0x0000000000400000-0x00000000005FC000-memory.dmp

          Filesize

          2.0MB

        • memory/752-78-0x0000000000400000-0x00000000005FC000-memory.dmp

          Filesize

          2.0MB

        • memory/752-79-0x0000000010000000-0x000000001000B000-memory.dmp

          Filesize

          44KB

        • memory/1460-89-0x0000000000400000-0x00000000005FC000-memory.dmp

          Filesize

          2.0MB

        • memory/1460-76-0x0000000000400000-0x00000000005FC000-memory.dmp

          Filesize

          2.0MB

        • memory/1460-75-0x0000000002F60000-0x000000000315C000-memory.dmp

          Filesize

          2.0MB

        • memory/1964-54-0x0000000076411000-0x0000000076413000-memory.dmp

          Filesize

          8KB