Analysis

  • max time kernel
    149s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 21:02

General

  • Target

    775afdc737b42a46435956b6529c3dd91671b3290f61a0fa52235ed2d0d4cf2a.exe

  • Size

    70KB

  • MD5

    e2942eefba935dca0e9a040cef205f1b

  • SHA1

    15bb8b1e40e8f176bb6520d219a0b39892ab30d5

  • SHA256

    775afdc737b42a46435956b6529c3dd91671b3290f61a0fa52235ed2d0d4cf2a

  • SHA512

    8c1aae6d67d47dfb0e2b1f0136fe0ce8b54ed21b9bdf18d968a5f5bfc82627ae658b851854c014f347df687ff07a46bf156b3ff4596c70d499589b92eb23f4f9

  • SSDEEP

    1536:p1uu6h3SHuJV9NdEToa9D4ZQKbgZi1dst7x9PxQ:p1tQkuJVLtlZQKbgZi1St7xQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3456
      • C:\Users\Admin\AppData\Local\Temp\775afdc737b42a46435956b6529c3dd91671b3290f61a0fa52235ed2d0d4cf2a.exe
        "C:\Users\Admin\AppData\Local\Temp\775afdc737b42a46435956b6529c3dd91671b3290f61a0fa52235ed2d0d4cf2a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3C0F.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4436
          • C:\Users\Admin\AppData\Local\Temp\775afdc737b42a46435956b6529c3dd91671b3290f61a0fa52235ed2d0d4cf2a.exe
            "C:\Users\Admin\AppData\Local\Temp\775afdc737b42a46435956b6529c3dd91671b3290f61a0fa52235ed2d0d4cf2a.exe"
            4⤵
            • Executes dropped EXE
            PID:2060
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4840
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1284
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4496

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        254KB

        MD5

        64b7a498ca89b776d45ec09d763d04b6

        SHA1

        5ebd2388f8ac29c201b2bfad06f6fee29716c7b5

        SHA256

        e3332364253c392c3e72a3b8adef2d82014651656eea38e186936c9d638c0197

        SHA512

        049b2a3836575250f285d9bba5c1cefecbb9fcf2eed9baf1e7e553625f705ce2dac61355bcd4b5f619c40f44a45f7aa74802e42e436e3211a0e26035d2644453

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        573KB

        MD5

        0554673eb23f4c8db9861fed586bc406

        SHA1

        44aa310aeafc3b756cfdbf7d241eb56b96620440

        SHA256

        b44000b73a67f62fd1481cab7f1ef143d7184071d66db9ba2906d5847ac27d16

        SHA512

        0a05a6ec96f3f708e87908bfb789c007fb4154a192b4b9885bece01d4bdf67a3432518ca0eb547916c95dec4bc570fbba95663960a6a512f97303325c0e25254

      • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

        Filesize

        639KB

        MD5

        a2a5a93e217bb462f2bd0d423de3a864

        SHA1

        2109bfcc6d5376585b2e250bb7c562015f30988b

        SHA256

        1fd18659738ee1ea3a387d548ffd74b3923f328676446e9da7ad5814161d646c

        SHA512

        9a1c737e7ecc40257c4c5d184fd43db2439c1fe76c4407f3936189f18ca267bbe099d968c646bc3f12f60b311205822e842c5dc715d9192be88cfa1196337ffd

      • C:\Users\Admin\AppData\Local\Temp\$$a3C0F.bat

        Filesize

        722B

        MD5

        bbdff07d92c447462acf4921b3bd80cc

        SHA1

        448fac397cf5dbf41484820b229cff6559fab498

        SHA256

        669ab7802ee9d5cbfbe9ff5df386b7575a27fc7b1409c8363d28bbc138bcb138

        SHA512

        1debba848b78788ea38d3c9a8f179ac1d3de3f64e4204d11bf0c4e87e6f1f89857ebff88464182ce8ebf9148ac083f3ba1367fcc05608f068edd3bc9a53b59a6

      • C:\Users\Admin\AppData\Local\Temp\775afdc737b42a46435956b6529c3dd91671b3290f61a0fa52235ed2d0d4cf2a.exe.exe

        Filesize

        41KB

        MD5

        977e405c109268909fd24a94cc23d4f0

        SHA1

        af5d032c2b6caa2164cf298e95b09060665c4188

        SHA256

        cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f

        SHA512

        12b4b59c1a8e65e72aa07ee4b6b6cd9fdedead01d5ce8e30f16ca26b5d733655e23a71c1d273a950a5b1a6cce810b696612de4a1148ac5f468ddf05d4549eed5

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        df2c093eb893bac680bb0fdf75ef20a2

        SHA1

        896bb694b57022440cb713947facaaa6b227a92e

        SHA256

        faba7487ab383c4855ba29a1bd408c6a3947af3a3189f41ba7648c5289b89983

        SHA512

        ed7a8c0d189321a807ac92ed2ab4056b26df2b9fba51a57065f55a190e1bdd2b3a7cd274e9b3437577abc4af96746a6cf2f4374290c49ec113ce8527733862d6

      • F:\$RECYCLE.BIN\S-1-5-21-3906287020-2915474608-1755617787-1000\_desktop.ini

        Filesize

        9B

        MD5

        31874817e0fb055be8d2c971c0e3bbde

        SHA1

        ee8a35d6a86cb6d13f354d67d912e194bb09c74b

        SHA256

        94de8b492bc2db9a9592f7c9433547eb7f80826ed67f48d2bb7e22db9d49f544

        SHA512

        55747c69ae50fa212576d095f60cf33b42e26789cf8c34fc5120a45b1988aae95f91d9e37cb17298c5ac5243b2e4c40e1d0e084ce7fe14bceb4ebb318c65c944

      • memory/1200-10-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1200-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4840-27-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4840-37-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4840-33-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4840-1231-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4840-20-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4840-4797-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4840-13-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4840-5236-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB