Analysis

  • max time kernel
    127s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-06-2022 14:00

General

  • Target

    1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe

  • Size

    1.3MB

  • MD5

    1aab0bc42e16efbbe769dd65414c848d

  • SHA1

    8e3c247de2459f9ed4885999678a8dcc15b54881

  • SHA256

    1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e

  • SHA512

    c10e307dc85467ba2dbd955f6387f44a3a67476afc5e8f8c98e695dca12fc452eed41b76a9f087b5db7b2ab1db4f390048059e1ca0664f78a08a07fcd078c248

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 14 IoCs

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

  • Loads dropped DLL 13 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe
    "C:\Users\Admin\AppData\Local\Temp\1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe
      "C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe
        C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:2032
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1972
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:708
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:708 CREDAT:275457 /prefetch:2
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:1584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe

    Filesize

    2.9MB

    MD5

    cb8be6ad417786404e7bab9c74da5f20

    SHA1

    f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8

    SHA256

    01d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c

    SHA512

    144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81

  • C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe

    Filesize

    2.9MB

    MD5

    cb8be6ad417786404e7bab9c74da5f20

    SHA1

    f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8

    SHA256

    01d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c

    SHA512

    144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81

  • C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\JGZ69EDR.txt

    Filesize

    600B

    MD5

    fb4a733d386256172565b4caa271e47d

    SHA1

    f2c6cc68cf2129ab7e81ad717030f86d4e419e45

    SHA256

    8d9ee65a9ca9a24dfd3a68f312c776eeb546e3ad9111babb60d5903c32a8667b

    SHA512

    733bfd08ef90e014bd19aebb3f4013222b6227e066dce0d2043e537ace7ae12273a3215b65f34e16e45f718414d252f6a90942c7ac1002d5d039be996e2eedcd

  • \Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • \Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • \Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • \Users\Admin\AppData\Local\Temp\SkinH_EL.dll

    Filesize

    86KB

    MD5

    147127382e001f495d1842ee7a9e7912

    SHA1

    92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

    SHA256

    edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

    SHA512

    97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

  • \Users\Admin\AppData\Local\Temp\nsy14AC.tmp\AdvSplash.dll

    Filesize

    6KB

    MD5

    a1bba35c752b36f575350cb7ddf238e4

    SHA1

    9603b691ae71d4fbc7a14dbb837bd97cecac8aab

    SHA256

    0667863d71a3021ab844069b6dd0485f874bf638af478ab11c6fb8b7d6c834b6

    SHA512

    eb5d3498dd994bec42a437cf91343665d3c35bfe3f6277a7393af6a0b8348772c3166d9be48955edddf6ef79fa508ec8d4f96d7d5df37ecdc52c90042e0a2967

  • \Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe

    Filesize

    2.9MB

    MD5

    cb8be6ad417786404e7bab9c74da5f20

    SHA1

    f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8

    SHA256

    01d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c

    SHA512

    144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81

  • \Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe

    Filesize

    2.9MB

    MD5

    cb8be6ad417786404e7bab9c74da5f20

    SHA1

    f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8

    SHA256

    01d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c

    SHA512

    144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81

  • \Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe

    Filesize

    2.9MB

    MD5

    cb8be6ad417786404e7bab9c74da5f20

    SHA1

    f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8

    SHA256

    01d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c

    SHA512

    144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81

  • \Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe

    Filesize

    2.9MB

    MD5

    cb8be6ad417786404e7bab9c74da5f20

    SHA1

    f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8

    SHA256

    01d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c

    SHA512

    144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81

  • \Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe

    Filesize

    2.9MB

    MD5

    cb8be6ad417786404e7bab9c74da5f20

    SHA1

    f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8

    SHA256

    01d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c

    SHA512

    144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81

  • \Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • \Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • \Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/1312-74-0x0000000000400000-0x0000000000737000-memory.dmp

    Filesize

    3.2MB

  • memory/1312-75-0x0000000000D00000-0x0000000001037000-memory.dmp

    Filesize

    3.2MB

  • memory/1312-76-0x0000000000310000-0x000000000033E000-memory.dmp

    Filesize

    184KB

  • memory/1312-91-0x0000000000310000-0x000000000033E000-memory.dmp

    Filesize

    184KB

  • memory/1312-90-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1312-58-0x0000000000000000-mapping.dmp

  • memory/1664-54-0x0000000075581000-0x0000000075583000-memory.dmp

    Filesize

    8KB

  • memory/1664-62-0x0000000002EF0000-0x0000000003227000-memory.dmp

    Filesize

    3.2MB

  • memory/1664-60-0x0000000002EF0000-0x0000000003227000-memory.dmp

    Filesize

    3.2MB

  • memory/1972-79-0x0000000000000000-mapping.dmp

  • memory/1972-88-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2032-84-0x00000000001D0000-0x00000000001FE000-memory.dmp

    Filesize

    184KB

  • memory/2032-81-0x00000000001D0000-0x00000000001FE000-memory.dmp

    Filesize

    184KB

  • memory/2032-83-0x00000000001D0000-0x00000000001DD000-memory.dmp

    Filesize

    52KB

  • memory/2032-77-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2032-92-0x00000000001D0000-0x00000000001FE000-memory.dmp

    Filesize

    184KB

  • memory/2032-68-0x0000000000000000-mapping.dmp