Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 06:28

General

  • Target

    c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86.exe

  • Size

    16.6MB

  • MD5

    111328f2038193bc7d5f5d987c8f05dd

  • SHA1

    28026aad6edce9d5647ae483f3d4b6ed7f4e5a92

  • SHA256

    c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86

  • SHA512

    069d10794f1071b595c37c2e47134f95eaa3a0c9ab45a94286b647cff3c3a6e6b3b21a652fb954f895756b274ab6b76ce69bbb04f78b0ffeeb72142bbcce6a1f

  • SSDEEP

    393216:z4lIo+yrcPn3/o2tcsEzrI2rN1Pbqu08Qqr8fYTYJ:EW+wPjtD7+p8fsYJ

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 6 IoCs
  • UPX packed file 16 IoCs

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

  • Loads dropped DLL 11 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86.exe
    "C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe
      C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4860
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1664
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4416
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4416 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2360
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4416 CREDAT:17412 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1888
    • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe
      C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          PID:2796
    • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe
      C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5092
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          PID:1032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 1712
      2⤵
      • Program crash
      PID:4988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 1712
      2⤵
      • Program crash
      PID:1420
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4556 -ip 4556
    1⤵
      PID:3444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4556 -ip 4556
      1⤵
        PID:2488

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            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:\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:\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\1636782\MyNsisSkin.dll

              Filesize

              384KB

              MD5

              a6039ed51a4c143794345b29f5f09c64

              SHA1

              ef08cb5dfa598d9d5b43b8af49f54b2c7dac00d4

              SHA256

              95ae945504972cadcf2ccfb2b3d02ea8cade3ee53f2f2082e8b40b61f660877a

              SHA512

              0ed3d0c070bfd91e2355aec5a30ad5cbaf6949c965af5e0ee1ecf2edd5f5aeba3819b4667a0301f8b52c8fd56d3bae35fa4f77063d56c8f89055784d0c0a30a8

            • C:\Users\Admin\AppData\Local\Temp\1636782\MyNsisSkin.dll

              Filesize

              384KB

              MD5

              a6039ed51a4c143794345b29f5f09c64

              SHA1

              ef08cb5dfa598d9d5b43b8af49f54b2c7dac00d4

              SHA256

              95ae945504972cadcf2ccfb2b3d02ea8cade3ee53f2f2082e8b40b61f660877a

              SHA512

              0ed3d0c070bfd91e2355aec5a30ad5cbaf6949c965af5e0ee1ecf2edd5f5aeba3819b4667a0301f8b52c8fd56d3bae35fa4f77063d56c8f89055784d0c0a30a8

            • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe

              Filesize

              55KB

              MD5

              ff5e1f27193ce51eec318714ef038bef

              SHA1

              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

              SHA256

              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

              SHA512

              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

            • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe

              Filesize

              55KB

              MD5

              ff5e1f27193ce51eec318714ef038bef

              SHA1

              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

              SHA256

              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

              SHA512

              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

            • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe

              Filesize

              55KB

              MD5

              ff5e1f27193ce51eec318714ef038bef

              SHA1

              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

              SHA256

              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

              SHA512

              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

            • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe

              Filesize

              55KB

              MD5

              ff5e1f27193ce51eec318714ef038bef

              SHA1

              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

              SHA256

              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

              SHA512

              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

            • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe

              Filesize

              55KB

              MD5

              ff5e1f27193ce51eec318714ef038bef

              SHA1

              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

              SHA256

              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

              SHA512

              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

            • C:\Users\Admin\AppData\Local\Temp\c8acbd96868d07a1dac1eeba08fc9f0e8fb2f8e50cacd356c48069fa96663c86Srv.exe

              Filesize

              55KB

              MD5

              ff5e1f27193ce51eec318714ef038bef

              SHA1

              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

              SHA256

              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

              SHA512

              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\ButtonEvent.dll

              Filesize

              4KB

              MD5

              fad9d09fc0267e8513b8628e767b2604

              SHA1

              bea76a7621c07b30ed90bedef4d608a5b9e15300

              SHA256

              5d913c6be9c9e13801acc5d78b11d9f3cd42c1b3b3cad8272eb6e1bfb06730c2

              SHA512

              b39c5ea8aea0640f5a32a1fc03e8c8382a621c168980b3bc5e2897932878003b2b8ef75b3ad68149c35420d652143e2ef763b6a47d84ec73621017f0273e2805

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\ButtonEvent.dll

              Filesize

              4KB

              MD5

              fad9d09fc0267e8513b8628e767b2604

              SHA1

              bea76a7621c07b30ed90bedef4d608a5b9e15300

              SHA256

              5d913c6be9c9e13801acc5d78b11d9f3cd42c1b3b3cad8272eb6e1bfb06730c2

              SHA512

              b39c5ea8aea0640f5a32a1fc03e8c8382a621c168980b3bc5e2897932878003b2b8ef75b3ad68149c35420d652143e2ef763b6a47d84ec73621017f0273e2805

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\MyNsisExtend.dll

              Filesize

              596KB

              MD5

              37e4e1ab9aee0596c2fa5888357a63b0

              SHA1

              a5dba8c0a1bd936dca2b6a81f2dc9a3005f1a2b6

              SHA256

              ff4b245fea98cedd881ca102468623a449a0b40df0c557dd8a6ea32e788d56fe

              SHA512

              5cbab2872683079c6cc09423a2baf7107b5ac5731f336cd237fa93a4a4ee53a127963dc0ec0dbc6168b9b3d2c3a881c7663ce4ecd84d964628dd566395d49bb3

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\MyNsisExtend.dll

              Filesize

              596KB

              MD5

              37e4e1ab9aee0596c2fa5888357a63b0

              SHA1

              a5dba8c0a1bd936dca2b6a81f2dc9a3005f1a2b6

              SHA256

              ff4b245fea98cedd881ca102468623a449a0b40df0c557dd8a6ea32e788d56fe

              SHA512

              5cbab2872683079c6cc09423a2baf7107b5ac5731f336cd237fa93a4a4ee53a127963dc0ec0dbc6168b9b3d2c3a881c7663ce4ecd84d964628dd566395d49bb3

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\System.dll

              Filesize

              67KB

              MD5

              bd05feb8825b15dcdd9100d478f04e17

              SHA1

              a67d82be96a439ce1c5400740da5c528f7f550e0

              SHA256

              4972cca9555b7e5dcb6feef63605305193835ea63f343df78902bbcd432ba496

              SHA512

              67f1894c79bbcef4c7fedd91e33ec48617d5d34c2d9ebcd700c935b7fe1b08971d4c68a71d5281abac97e62d6b8c8f318cc6ff15ea210ddcf21ff04a9e5a7f95

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\nsDialogs.dll

              Filesize

              9KB

              MD5

              c10e04dd4ad4277d5adc951bb331c777

              SHA1

              b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

              SHA256

              e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

              SHA512

              853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\nsDialogs.dll

              Filesize

              9KB

              MD5

              c10e04dd4ad4277d5adc951bb331c777

              SHA1

              b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

              SHA256

              e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

              SHA512

              853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\nsRandom.dll

              Filesize

              77KB

              MD5

              d86b2899f423931131b696ff659aa7ed

              SHA1

              007ca98f5d7921fe26fb9b8bd8a822dd5ae09ed6

              SHA256

              8935cba8e9b276daa357a809e0eca3bebf3fdc6d0d3466ab37fb2cbbfacd3a94

              SHA512

              9a4437ab484e4e22597c642d21b0107a063a208a582df3a5bf276466ad8d0ba9aeebac6de8dcf1372939984bb187d58e94c799918cfbe80e85c958bf0a537fc7

            • C:\Users\Admin\AppData\Local\Temp\nsw6652.tmp\nsRandom.dll

              Filesize

              77KB

              MD5

              d86b2899f423931131b696ff659aa7ed

              SHA1

              007ca98f5d7921fe26fb9b8bd8a822dd5ae09ed6

              SHA256

              8935cba8e9b276daa357a809e0eca3bebf3fdc6d0d3466ab37fb2cbbfacd3a94

              SHA512

              9a4437ab484e4e22597c642d21b0107a063a208a582df3a5bf276466ad8d0ba9aeebac6de8dcf1372939984bb187d58e94c799918cfbe80e85c958bf0a537fc7

            • memory/1664-147-0x0000000000400000-0x000000000042E000-memory.dmp

              Filesize

              184KB

            • memory/4556-133-0x0000000010000000-0x0000000010015000-memory.dmp

              Filesize

              84KB

            • memory/4556-172-0x0000000010000000-0x0000000010015000-memory.dmp

              Filesize

              84KB

            • memory/4556-156-0x0000000003240000-0x00000000032DA000-memory.dmp

              Filesize

              616KB

            • memory/4556-174-0x00000000022C0000-0x0000000002322000-memory.dmp

              Filesize

              392KB

            • memory/4556-161-0x00000000022C0000-0x0000000002322000-memory.dmp

              Filesize

              392KB

            • memory/4556-159-0x00000000022C0000-0x00000000022E1000-memory.dmp

              Filesize

              132KB

            • memory/4556-169-0x00000000033C1000-0x00000000033C3000-memory.dmp

              Filesize

              8KB

            • memory/4556-173-0x0000000003240000-0x00000000032DA000-memory.dmp

              Filesize

              616KB

            • memory/4556-158-0x0000000003240000-0x00000000032DA000-memory.dmp

              Filesize

              616KB

            • memory/4556-145-0x00000000022C1000-0x0000000002302000-memory.dmp

              Filesize

              260KB

            • memory/4556-146-0x00000000022C0000-0x0000000002322000-memory.dmp

              Filesize

              392KB

            • memory/4860-141-0x0000000000400000-0x000000000042E000-memory.dmp

              Filesize

              184KB