Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 16:39

General

  • Target

    c5cbb3894f71286134c0370b43cffce1eb7966826a202a2d686971ca0d0aef89.exe

  • Size

    68KB

  • MD5

    cf08282c66ca9fa57bed18d079cd2cfa

  • SHA1

    c69021c3ce39aa135aa824a8d9f4188f9a89881c

  • SHA256

    c5cbb3894f71286134c0370b43cffce1eb7966826a202a2d686971ca0d0aef89

  • SHA512

    850dadcf963a89631458691b8ed35cbf49417b598d048273c9a25593db00eecdf4067e4b43bed8517a9021e973e01049141d969ce36082db651b886db02a0ea2

  • SSDEEP

    1536:G3SHmLKarIpYeEToa9D4ZQKbgZi1dst7x9PxQ:GkF3pdlZQKbgZi1St7xQ

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:3348
      • C:\Users\Admin\AppData\Local\Temp\c5cbb3894f71286134c0370b43cffce1eb7966826a202a2d686971ca0d0aef89.exe
        "C:\Users\Admin\AppData\Local\Temp\c5cbb3894f71286134c0370b43cffce1eb7966826a202a2d686971ca0d0aef89.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4504
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a16BF.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5048
          • C:\Users\Admin\AppData\Local\Temp\c5cbb3894f71286134c0370b43cffce1eb7966826a202a2d686971ca0d0aef89.exe
            "C:\Users\Admin\AppData\Local\Temp\c5cbb3894f71286134c0370b43cffce1eb7966826a202a2d686971ca0d0aef89.exe"
            4⤵
            • Executes dropped EXE
            PID:1004
        • 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:4404
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3640
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:748
      • 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=1420 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4836

        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

          252KB

          MD5

          aec3e70823702612922f49926cf46330

          SHA1

          fb47f88132379cd37da9bd89fbe6fcfcd494f07b

          SHA256

          29d99176f47551e7c03ecfb289ea8cc1f92bc71ebeeaf6bc723af95296076e65

          SHA512

          c0ae6694745b36c72a2e9db678d10cc5e24e4cb8a99452f7e2b2bbfdc72ce92091fb14877635decb5a35e47884fdb14ec5ddcea9e5f7aad5805b748fd67de2ae

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

          Filesize

          957KB

          MD5

          80bf260df89c057496376d984effe1be

          SHA1

          2a1cd97d1496ce99bd67a4ac87b02313a309c3b6

          SHA256

          8a30e5aa083682fefadfcb4150113ea4da4f9e1081c3e99669106f4e31e3f4b7

          SHA512

          d3b0629145e2d579421ad0409996c0b21a4f1a34720de58f6cdde69cd267cef085128cc3aadb81e654634699e6c18cce3284eef7abb55ad1156fdecb20a1c596

        • C:\Users\Admin\AppData\Local\Temp\$$a16BF.bat

          Filesize

          722B

          MD5

          21c9404c20ebc042781728be0a512095

          SHA1

          c7c1d0f308c54ebb71527251c4dfdb9d0dba9f4d

          SHA256

          ddda8a83bdd6f38732755cec314be7e7af2b3b8db1c9d12aa05535b75bf9fe37

          SHA512

          58a5c55d42f71fb82207950f8febac33effd8d6e05551bc3d95503ad08e34228932683d2b5ad02a8466cdf3082e6484d9abdc249b963a3fb5ec1c04297848c1c

        • C:\Users\Admin\AppData\Local\Temp\c5cbb3894f71286134c0370b43cffce1eb7966826a202a2d686971ca0d0aef89.exe.exe

          Filesize

          41KB

          MD5

          977e405c109268909fd24a94cc23d4f0

          SHA1

          af5d032c2b6caa2164cf298e95b09060665c4188

          SHA256

          cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f

          SHA512

          12b4b59c1a8e65e72aa07ee4b6b6cd9fdedead01d5ce8e30f16ca26b5d733655e23a71c1d273a950a5b1a6cce810b696612de4a1148ac5f468ddf05d4549eed5

        • C:\Windows\Logo1_.exe

          Filesize

          27KB

          MD5

          eb1a02b78a20cabcf7ec612b31700373

          SHA1

          6aeb98e4840a711543aa21fba7251e6b2cbeca17

          SHA256

          7e805b33bc963ed5068d2893a702b600784332685f56d06c27e685f6d1f6ef81

          SHA512

          890d593d65cccd73e5fefc8b675c5384a801d60fd2c86c48c06361f8944f01097f3e33e9ceac5cc147c4ed9fc10ed051f35d1bf54b33c8226b94ac9134823381

        • F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\_desktop.ini

          Filesize

          9B

          MD5

          304501c003da3bc5756aa53a757c30cc

          SHA1

          94dfcea0ef17f89b3a60a85a07edb4c00170cc1c

          SHA256

          9f4b03cbd52378f329bfc7088f8242bbc1a0a2754bc2f8a40e3b74e0dedecd6e

          SHA512

          78cd3c2cb4cb66e41d8947e1231256c2043d71c77f97e92915e938a6c1d9a8c003512027d98bc71bf582875d269e5fbe6e134f57b25f5f79fe16f9a412387dc8

        • memory/4404-34-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-20-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-27-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-38-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-42-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-9-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-154-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-1016-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-1183-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4404-1974-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4504-11-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4504-0-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB