Analysis

  • max time kernel
    149s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 06:14

General

  • Target

    84bb3d64de9f9a1c3b1c2359204a1986fdbe17ef226274213bb17fbf0ca2198c.exe

  • Size

    254KB

  • MD5

    e07b271414d7901d4be3fef46b6234ad

  • SHA1

    383c79a26054fb1d00f931222e5f7fd7cdc2987b

  • SHA256

    84bb3d64de9f9a1c3b1c2359204a1986fdbe17ef226274213bb17fbf0ca2198c

  • SHA512

    d989a243a0c6e0f1fa1e562f49be1263fd2d7962f289d4a0108f046ef6f2cd87b262a4b2fbd4a94be3f9e39ac656b402f8d8aa40600db3ee02b24cf0d78e08e3

  • SSDEEP

    6144:1uJQgiC4bXqsTk90qC1AOb7eswf1Px++fD8PJ:KitXqsTkiR7twRx+gD8PJ

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 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3392
      • C:\Users\Admin\AppData\Local\Temp\84bb3d64de9f9a1c3b1c2359204a1986fdbe17ef226274213bb17fbf0ca2198c.exe
        "C:\Users\Admin\AppData\Local\Temp\84bb3d64de9f9a1c3b1c2359204a1986fdbe17ef226274213bb17fbf0ca2198c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1400
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4055.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4624
          • C:\Users\Admin\AppData\Local\Temp\84bb3d64de9f9a1c3b1c2359204a1986fdbe17ef226274213bb17fbf0ca2198c.exe
            "C:\Users\Admin\AppData\Local\Temp\84bb3d64de9f9a1c3b1c2359204a1986fdbe17ef226274213bb17fbf0ca2198c.exe"
            4⤵
            • Executes dropped EXE
            PID:4784
        • 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:2192
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1868
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2260

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              573KB

              MD5

              3fc6560a417f2dcd6932c727d0c1b60f

              SHA1

              34bb1f165facd157bc9ac6d34f89281f3663b539

              SHA256

              34b312e479b439d8f31a699b51dcd34e68fc8025f7628352f9125516424ccb00

              SHA512

              30f74adce2fadb52c4bc82ca934fa3c951e6250e888969053c19600ae01bc807f9cd9c7c3800a333884424ceb0d47fba7a76d827ba93a6f39dfbee2cf78f57d6

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

              Filesize

              639KB

              MD5

              c8d281da4c32df16eef470c27c8cb459

              SHA1

              00efc9f6844bfaa37c264b6452c6a7356638ab10

              SHA256

              058c81e5a07f2c6c33cf28dff71d07ad8f179046108d945159957e891bfd9c62

              SHA512

              e3c79e19f620068f668d4ebaa5097f1a95a30dabb8dce75f3787171dddbea9f684fc7ce8d1011a398f38084d7af96dd1ff9a02d25906aab9b13861b8363d24bb

            • C:\Users\Admin\AppData\Local\Temp\$$a4055.bat

              Filesize

              722B

              MD5

              e3d34043af717cd0b96300b459479c09

              SHA1

              601bd6bb45ae03edfca19f396b21e956b667e9fd

              SHA256

              db9ace4bbc273ea2ff2dc5a907352a5e6a14d57f71d5725d739902bc28f0651c

              SHA512

              8d4da2e1627a23a231a85947fc5c35ab8971a4080eebc2d029fd7d4f98560d92027ad6b44957e148bf66a0b9367aa529c39adcfeb22f9eef501ffe7c40117e57

            • C:\Users\Admin\AppData\Local\Temp\84bb3d64de9f9a1c3b1c2359204a1986fdbe17ef226274213bb17fbf0ca2198c.exe.exe

              Filesize

              224KB

              MD5

              d4b257c01bbaa68d15d8368475a4e227

              SHA1

              fafae083a882e163cfa8c77258baaab891c17df2

              SHA256

              dd6dd981c7f1a6673dc8cc3a0fe1fc8a54e059a9fdb0545b0dc9258299c0c546

              SHA512

              167494ecb32196e8e199d7d14a1c0498eee45ab8e8862e5441539fa569313bb602b9e979935c7cc5ba39300e54e8bdbdf2f502e4ea24b5e8339fd2c3685ca502

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              236afcca3f448e504e2cb597d3b5b913

              SHA1

              6c16a522439762ec62df6f8ed789fa9f38ae702a

              SHA256

              12d4a988676e42573045e5a9ce15f499544a1a76d18c2f5fbe1965fe4dcb0579

              SHA512

              8959c6c8242a5a09c06d6b75fb62ef0232af242139b72eac83a7e6a89ed0f77bf1d52d8cc008bf1a3fe07a2faad511196ad829db1a87970f3377fcc780925f29

            • F:\$RECYCLE.BIN\S-1-5-21-3411335054-1982420046-2118495756-1000\_desktop.ini

              Filesize

              9B

              MD5

              73b8aef84e892e3f77d41747dce253db

              SHA1

              d642a92c96e4ed570d998a73e42fc24fafe8caf9

              SHA256

              a81f7465f537233bbd4b8fa9034e52a8ceffcdf97bf36244c4d404ebec14eb24

              SHA512

              9b0690efee220355932375db333b5487c369ca9fdcf8497bcb5283d78d21fb4fefb7c06bbe533fb1f18fd3b32256a013090af6dd957b9d09cc373d0d5b89cf6d

            • memory/1400-0-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1400-9-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2192-27-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2192-33-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2192-37-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2192-20-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2192-1237-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2192-4801-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2192-11-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2192-5264-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB