Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 08:28

General

  • Target

    3cdb15ce44bbaba340eff93fa015fd5ed3d02fc47abad8b1859553c91e1d730c.exe

  • Size

    5.7MB

  • MD5

    f88c6e176774ff414922d7d969b20d15

  • SHA1

    9ff4974cbb88e1bad584895325eda9e2e1a1628e

  • SHA256

    3cdb15ce44bbaba340eff93fa015fd5ed3d02fc47abad8b1859553c91e1d730c

  • SHA512

    2351328c6f7ebfbc57513d37f689a9d7d62aa2d167a95483c859fd40f7c1f922b21c513166a6410a75cdf1b3e90134d8c1fe39a3ae9270dd7ef723aefa6bb80d

  • SSDEEP

    49152:rPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTPBJ:jKUgTH2M2m9UMpu1QfLczqssnKSk

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
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3368
      • C:\Users\Admin\AppData\Local\Temp\3cdb15ce44bbaba340eff93fa015fd5ed3d02fc47abad8b1859553c91e1d730c.exe
        "C:\Users\Admin\AppData\Local\Temp\3cdb15ce44bbaba340eff93fa015fd5ed3d02fc47abad8b1859553c91e1d730c.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5016
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8FFB.bat
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4028
          • C:\Users\Admin\AppData\Local\Temp\3cdb15ce44bbaba340eff93fa015fd5ed3d02fc47abad8b1859553c91e1d730c.exe
            "C:\Users\Admin\AppData\Local\Temp\3cdb15ce44bbaba340eff93fa015fd5ed3d02fc47abad8b1859553c91e1d730c.exe"
            4⤵
            • Executes dropped EXE
            PID:1920
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2516
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4188
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      247KB

      MD5

      53fae56c9e96ab3ceede469562730892

      SHA1

      3956445ee1e54a079472a56cd194a9cd49def540

      SHA256

      7c9087932eb218ac8bc8f07f3dc67184068224067372c89e4dd43f90f0005036

      SHA512

      62e9fe468cbaa5172a848d1e755c4ad1e06b19293f18516371522fda30cb025b03f90ca7c7e97fc79f9d29f4fef8c0c7d174db8cc348e7ae3dee2916eab630c4

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      573KB

      MD5

      4db87df5d438d94ebb5b81a8ea946738

      SHA1

      8678afc4132fbd17bc9c8ffbae275f10759b2259

      SHA256

      75c4662932ce3326c3df82e3c3dd01a1e58246e2603fee9ac5dfa0abf7449208

      SHA512

      e748b8d68e82c051668ca67ff512d768832cdbedf0442e0fe95a918fb218ee35db71d7dfcb8a8a379071f497c18949ddbc5a0a689c1d04c99a3228a00835ff9c

    • 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\$$a8FFB.bat

      Filesize

      722B

      MD5

      418cffe38414466e281421344fde37a6

      SHA1

      b68e4a5129eb02c1f5bcffbf42b149abd0297b5a

      SHA256

      22130b90eadb9c7d4e08861f6ce4a310b30afb3ddb1a6bcf8797d20b0a7fd8ec

      SHA512

      d86da9206b0e0b9e2d719a11ec25a7d727a84899d723e0a09ea10ca8c5f3726756048882d3bb92fde960a7f20913d9f8ac9e61f16b4c7329373bae493844f193

    • C:\Users\Admin\AppData\Local\Temp\3cdb15ce44bbaba340eff93fa015fd5ed3d02fc47abad8b1859553c91e1d730c.exe.exe

      Filesize

      5.7MB

      MD5

      ba18e99b3e17adb5b029eaebc457dd89

      SHA1

      ec0458f3c00d35b323f08d4e1cc2e72899429c38

      SHA256

      f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

      SHA512

      1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

    • C:\Windows\Logo1_.exe

      Filesize

      29KB

      MD5

      152ab8f0455dd31f0e63fff4283ea17d

      SHA1

      5f111c77acb6bd29d15a4e2f868fdbee0db11a82

      SHA256

      67b0bce9f75235502f22de2d7db30e81189136ec614464ffdf7e8d2d33b87fae

      SHA512

      5226d1f11aa27c777f28a915d2073b1b864eeebacb97a51ed8dd81044f2d870e13b242722f23ea9643732ccd1c7f99ac1df4e237019c966d6d16179c2cf853ba

    • F:\$RECYCLE.BIN\S-1-5-21-1045960512-3948844814-3059691613-1000\_desktop.ini

      Filesize

      10B

      MD5

      688d58fa5756a393f9472937ef284c25

      SHA1

      18ee07a5ee8de4fbd046763cd4a55ef2e6c3f808

      SHA256

      e21f27bdf2d90c77d75658b5217d5af4519a6c1bfc326a109eb4a085a2b83302

      SHA512

      c84930eb323c71ffc1edac543a2f60e366de40b39a88b18dba09c1272fae0b12262f4fae496bc9546598507fc37729d829f93b101bbec4739a05be33e0010a3f

    • memory/2516-26-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2516-32-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2516-36-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2516-19-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2516-411-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2516-1233-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2516-4784-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2516-8-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2516-5253-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/5016-0-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/5016-9-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB