Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 21:25

General

  • Target

    1aa7b0b0a8c4155233d7800cb914c43e86db08fedc570f16865c8eb37c8316cb.exe

  • Size

    227KB

  • MD5

    410cf00310cdfcabb7cd2dbf1914bb56

  • SHA1

    23ab165c3c02c793518d8f06661b0d225db0d4c4

  • SHA256

    1aa7b0b0a8c4155233d7800cb914c43e86db08fedc570f16865c8eb37c8316cb

  • SHA512

    00f2a4a3582f8ff2311973971b22bec33190f183ad168c05ddad4f6434fb31ca91124eaf1c56ef78fa8ac35bc6dca2e4364c4664d850b81c28aba4f60baacc0b

  • SSDEEP

    3072:pdkuJVLUdeKzC/lzMPySe8DnpeIPipoHbKvXWXz9LRnsaJUS+6wPXD3fxNW7gq5n:UuJWdeKzC/leySe8AIqpoHbnDns1ND9m

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 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\1aa7b0b0a8c4155233d7800cb914c43e86db08fedc570f16865c8eb37c8316cb.exe
        "C:\Users\Admin\AppData\Local\Temp\1aa7b0b0a8c4155233d7800cb914c43e86db08fedc570f16865c8eb37c8316cb.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4276
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8CA0.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4740
          • C:\Users\Admin\AppData\Local\Temp\1aa7b0b0a8c4155233d7800cb914c43e86db08fedc570f16865c8eb37c8316cb.exe
            "C:\Users\Admin\AppData\Local\Temp\1aa7b0b0a8c4155233d7800cb914c43e86db08fedc570f16865c8eb37c8316cb.exe"
            4⤵
            • Executes dropped EXE
            PID:3616
        • 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:2168
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:988
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      573KB

      MD5

      5ebbdfeac17fa37e88c50ed177ef10dc

      SHA1

      05337af1d0aa26fe9201f32e23a96d7ac6dfedc9

      SHA256

      7802aa7b90f5e885efd29a9069ad2004cd287bbcfce3df2a84527720585e4a16

      SHA512

      21f4fb450ecdbecbb98568d7cc0ae683e6e3e21150477d70e64bdf532ab931df563351d77307d110c94ae7d27560be79494e4834e6afefaa220fff1828f07d5f

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

      Filesize

      639KB

      MD5

      82e153319701c6a97a66bd363b818222

      SHA1

      108207f7e7a67d3126a2bd4adbe54e13f16eb989

      SHA256

      d0e2aa6d001b0c7a6268bf05e98e6bacddace6abbc9a40814e2b55fa0b7891c9

      SHA512

      542207b862f25c84fb9b76a51eb79cba0abcb1941685dc373c260fb01f60fa93eecb327c6b6121d10c0b57fc0b3b14c222e03fa74f7ca90688dc3691729252bf

    • C:\Users\Admin\AppData\Local\Temp\$$a8CA0.bat

      Filesize

      722B

      MD5

      f55be36b984585b65da2270412d77bed

      SHA1

      99937d0e6d9d1b23f9f172f6a057092be14c65ae

      SHA256

      31c0a636cce46c56b93d411cbb49f011658e682f624287c5ec5c22efdeddbc4c

      SHA512

      06ff45dd81c9a2d263a8739f12e54cdcc20ad701075b03a07eb897ea132422115c573ce4d42ca698978a0e52e1a8adb7edc9115262071d019783ebbc36b72cb7

    • C:\Users\Admin\AppData\Local\Temp\1aa7b0b0a8c4155233d7800cb914c43e86db08fedc570f16865c8eb37c8316cb.exe.exe

      Filesize

      198KB

      MD5

      e133c2d85cff4edd7fe8e8f0f8be6cdb

      SHA1

      b8269209ebb6fe44bc50dab35f97b0ae244701b4

      SHA256

      6c5e7d9c81a409e67c143cd3aed33bddc3967fa4c9ab3b98560b7d3bf57d093d

      SHA512

      701b7d1c7e154519d77043f7de09d60c1ff76c95f820fc1c9afca19724efb0847d646686053354156fd4e8a9dab1f29a79d3223f939a3ff1b3613770dc8603b1

    • C:\Windows\Logo1_.exe

      Filesize

      29KB

      MD5

      fd12aea21ff2c350162bcd3d2a9699d8

      SHA1

      6164f1eb5148cdec25615a4f01dcba4cdd0061dd

      SHA256

      741e4e569a8c103af61c5fac46266974ae6b49c6ed2a20923cf21d4ae675653f

      SHA512

      d803227aaac9756c2b47ae326eed208a5c4afb8f4791d447fa566b05cd066f2802d985af64e4ece5cb18198fd3fe3ac3504faf0f2bd41eee97a202ab1bb5a09d

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\_desktop.ini

      Filesize

      9B

      MD5

      cd0bf5c2efb8cc7ddbff2ab5d2cb7e87

      SHA1

      6830a1817f2055b6beba9063b87af16bbef7fa19

      SHA256

      d00701a279110fcafdaa6a9dcb36385845f9d2aac5b1ac1c52c015c61718dcbd

      SHA512

      6fabfd6bced63153d3dd6b376a92e824c95b15ef046607b89376a17c7ac863e92c95770ed86d8ecec3639d280dd6256a7ab1ec2d8119799fb3a479fbce96254a

    • memory/2168-27-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2168-20-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2168-33-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2168-37-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2168-629-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2168-1234-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2168-4792-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2168-8-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2168-5237-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/4276-0-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/4276-11-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB