Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 18:23

General

  • Target

    74b20aecabf9325c103d50df30cec48b25f338a731194edf76e651a687cf5092.exe

  • Size

    959KB

  • MD5

    146810b199458656819a822968da3de1

  • SHA1

    2994cb739dd9ef2e483cb758585ed1b2d8d3d931

  • SHA256

    74b20aecabf9325c103d50df30cec48b25f338a731194edf76e651a687cf5092

  • SHA512

    562d43770cc00b04bfdd7316b4e29a145688d2a59c0921cf8a252e4599db59caa5b9ac445ef04107ff7458045f0c9c98f4c1c523fc73d0560087ead56b2a60ab

  • SSDEEP

    12288:rRKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:0BpDRmi78gkPXlyo0G/jr

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
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\74b20aecabf9325c103d50df30cec48b25f338a731194edf76e651a687cf5092.exe
        "C:\Users\Admin\AppData\Local\Temp\74b20aecabf9325c103d50df30cec48b25f338a731194edf76e651a687cf5092.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4416
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aEB4A.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3096
          • C:\Users\Admin\AppData\Local\Temp\74b20aecabf9325c103d50df30cec48b25f338a731194edf76e651a687cf5092.exe
            "C:\Users\Admin\AppData\Local\Temp\74b20aecabf9325c103d50df30cec48b25f338a731194edf76e651a687cf5092.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:3712
        • 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:1916
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4068
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:5036
      • 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 --field-trial-handle=4232,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:8
        1⤵
          PID:4840

        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

          f47bd89838b4a02cde7d647675c85ce7

          SHA1

          dbb732a83dc463475d840a3644e1307624285137

          SHA256

          c97ecc622176cfe7438bd921d847509cb1863433f81df8a5c2119ca5f43dc1d8

          SHA512

          f95c53762a3788d93a55c2edef1380b7a85d832d0077eb6b2b7432d08a0990050c58d3f9f425030cbfce4b1b97cc86dc3bfef78dbfc876bb1f4fa19419e63300

        • C:\Program Files\7-Zip\7z.exe

          Filesize

          573KB

          MD5

          6af5660cba761f22c69a9e41ecff5942

          SHA1

          ee5528d7e12a55d0c84456a47cf087018cfdba9a

          SHA256

          43270265064f39c9d8fe0bcb93369d852587ee7d874ce8fac5a71a775f4b3689

          SHA512

          d52431ee2c0c114ddc934d747bc2c4a59ab0b1ce061973ccc6414c892576669b5acc0179936fb95386751dde6164c478aa08f79728660e137f05b3c9c495d7e4

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

          Filesize

          639KB

          MD5

          ff7ce6c4ffc92d1beca4883dfcfde0af

          SHA1

          4a52e320cd88765f13e2799a4980a12f788c98a4

          SHA256

          5a4e150d03f1cfadccd40a407a3ae8ec5ffbb5d28ea95dca136d67cac24fd8b5

          SHA512

          99056bcbb382e545304a33002a6cfbb7a57df663feca5a3842bf077d1126931ba78d5e04a93cbd72a7c6d9eb09005750e5cff1030d8586e26838e7634d7ad583

        • C:\Users\Admin\AppData\Local\Temp\$$aEB4A.bat

          Filesize

          722B

          MD5

          e76043e1153306e563e3b155f009fdcc

          SHA1

          a0a8dfc8c00ade6a070ac4790af87641351e9ab6

          SHA256

          f112bb52f688039bda706774d8e7daca3baa67a42a696144b652cb4e5bf95638

          SHA512

          71857a9674380e4d7d2bd39f189557341a66baa9392f6ff36d1c7662dabf8692a53229daa672767b9be8bbd95887dcd548f6cd2abedf5ec4f9a3c3d3c13bbf19

        • C:\Users\Admin\AppData\Local\Temp\74b20aecabf9325c103d50df30cec48b25f338a731194edf76e651a687cf5092.exe.exe

          Filesize

          930KB

          MD5

          30ac0b832d75598fb3ec37b6f2a8c86a

          SHA1

          6f47dbfd6ff36df7ba581a4cef024da527dc3046

          SHA256

          1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

          SHA512

          505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

        • C:\Windows\Logo1_.exe

          Filesize

          29KB

          MD5

          3f5e7c4706e29143aea9c7ce1c0402e9

          SHA1

          6fa71c0ae1ea0701d9d7e0caabc266a0c33df54d

          SHA256

          2026a2e28503076f0c685503fff901cbe7120170ade846ad76be13362afe770c

          SHA512

          0199af2ac24604e012003e72cf5bad24a1949a92d2028f39a2400cb109c367f70e1a9779d48b982c70a5f90a542b598fae694360c9caf1b0eec21dd0ed625deb

        • F:\$RECYCLE.BIN\S-1-5-21-1181767204-2009306918-3718769404-1000\_desktop.ini

          Filesize

          9B

          MD5

          7e956ef5a6a8d81e557bd13665d22b60

          SHA1

          7f7b593a466647d21bf3d554bf1cd4cdead3dee5

          SHA256

          67b987784bfbcfae36a56382dc0e3e7b6254efdccb5cebe31739a398a39c3590

          SHA512

          bf7a5439f4ccca6aa98e658aceb05ea68fc7ce646461f356b57b9edd318c1b0ddea2e8513dd062d750bd67ed810233782d478baa9217e40ad53ab82d43350d63

        • memory/1916-27-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1916-34-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1916-37-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1916-20-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1916-1237-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1916-9-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1916-4875-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1916-5320-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/4416-0-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/4416-11-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB