Analysis

  • max time kernel
    154s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-03-2024 17:02

General

  • Target

    b7eae23fecfbf30aa5476c7129e8e8fe.exe

  • Size

    208KB

  • MD5

    b7eae23fecfbf30aa5476c7129e8e8fe

  • SHA1

    d747dbec2e36a24f9695b0601d686fb6baac0a23

  • SHA256

    d8e015987ba4ae7c8249c9ef0d4810bdaaeb4a78910cd33f52273bf60f6aa140

  • SHA512

    2e2814581eb64f6f7e3b4d522f2a65a42f3ead32b38fdcf39fbc8105bb66b4ab022d7a35c58f645ad78562c3f2e19c392de9de24bfe04e68858ef7a9445ee613

  • SSDEEP

    6144:Rl0n6aurwlfCBdNmUzbxcPxeLppHe3nL8T/:In6aurwlqZbxcPwLy3u

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7eae23fecfbf30aa5476c7129e8e8fe.exe
    "C:\Users\Admin\AppData\Local\Temp\b7eae23fecfbf30aa5476c7129e8e8fe.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2611.tmp\vir.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5036
      • C:\Users\Admin\AppData\Local\Temp\u.dll
        u.dll -bat vir.bat -save b7eae23fecfbf30aa5476c7129e8e8fe.exe.com -include s.dll -overwrite -nodelete
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2980
        • C:\Users\Admin\AppData\Local\Temp\2B51.tmp\mpress.exe
          "C:\Users\Admin\AppData\Local\Temp\2B51.tmp\mpress.exe" "C:\Users\Admin\AppData\Local\Temp\exe2B52.tmp"
          4⤵
          • Executes dropped EXE
          PID:5088
      • C:\Windows\SysWOW64\calc.exe
        CALC.EXE
        3⤵
        • Modifies registry class
        PID:112
      • C:\Windows\SysWOW64\calc.exe
        CALC.EXE
        3⤵
        • Modifies registry class
        PID:3052
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4960
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4404
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5104

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2611.tmp\vir.bat

      Filesize

      1KB

      MD5

      194d70876631e64ecd6328853a71b0d8

      SHA1

      64ba776c544fc5f98d612292c51d1bf658a99f92

      SHA256

      d5280a9f04c6ae950b75ca55a332eed2dff2ce7d5eb2e0e5b0e996795dcfcba9

      SHA512

      4c39607795b1adca5707caf461e6a0ae2149caa1ead1eabbe834eabf6ba6a5bd0cbb8bcaa82516379e6df08765893685cd19ec3f4b45f952d15d4688b8dae12c

    • C:\Users\Admin\AppData\Local\Temp\2B51.tmp\mpress.exe

      Filesize

      100KB

      MD5

      e42b81b9636152c78ba480c1c47d3c7f

      SHA1

      66a2fca3925428ee91ad9df5b76b90b34d28e0f8

      SHA256

      7c24c72439880e502be51da5d991b9b56a1af242b4eef4737f0f43b4a87546d2

      SHA512

      4b2986106325c5c3fe11ab460f646d4740eb85252aa191f2b84e29901fac146d7a82e31c72d39c38a70277f78278621ee506d9da2681f5019cd64c7df85cff6e

    • C:\Users\Admin\AppData\Local\Temp\exe2B52.tmp

      Filesize

      41KB

      MD5

      7aa367dca7be65e07b16bd69f06263e3

      SHA1

      d447739251408f8e8490a9d307927bfbe41737ce

      SHA256

      738bf50547320b0683af727ad6d430f2e7b83c846fe24f91527b7ee263bfa076

      SHA512

      d7884589d7d12a628c9e07b77b3b793fa91f67fe13563e7b072ca864e053e6b7d711852e30ae1c877576b8ad47f67d2826e8ee711e6b65a329baa57492fe31b3

    • C:\Users\Admin\AppData\Local\Temp\mpr3B8D.tmp

      Filesize

      24KB

      MD5

      7cda353434725a4a3712954fd3ded290

      SHA1

      d8348e79d6bcee527743b126026367d700ddb436

      SHA256

      7e781837fa89a8ead0a14c14a7f2125a89bb7b33d2ccc358f6b8ad22924b5e86

      SHA512

      4ac257fe8e0772adc8aa1a2626153c473554c341c025959dd994100c43e2cec274e8a532e0c1b5c0ecdf463733d25a63767b995b731ce272b1c7a3ad0820b95d

    • C:\Users\Admin\AppData\Local\Temp\s.dll

      Filesize

      700KB

      MD5

      3c9568b0d86a865f9f73d9c0967cfdad

      SHA1

      3270df3e0e600f4df2c3cbc384837693a8a3a83e

      SHA256

      c7b97a001b39e17382e929aad924555f3d21886b86aed38cffd660490801d1d6

      SHA512

      bd423d1d57823b1bf6db42aeec199aa93178a9317ead85b42b60e091aaf4f73ce721bc07fda4750e112c4dccb9d87e21d5793965da9d6e92b0c5bed92c26876f

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

      Filesize

      1KB

      MD5

      283570478a3ef4f7da0bd288285bae8c

      SHA1

      cb0f56b245760eb0b43bbba4d1097ca0ba29401c

      SHA256

      62b99f93eede37eaadd050a81ba51fd91bd2bfe345c8a124352427d2d839dfa4

      SHA512

      634026cc16a08674ecc2a53a13bfb6c54b4ceec32f056de099b10e6682c7adec73d536d13b0ef4100b5498537bbf1381e3677f17a153824aee16ae4ed18b1c2a

    • memory/3440-0-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/3440-1-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/3440-19-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/5088-56-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/5088-64-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB