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
    25/09/2024, 19:25

General

  • Target

    d9ffb413e839a66ccb01f3cfd2aad77f0dd39ad32c256810df70c399ee529f04.exe

  • Size

    101KB

  • MD5

    4b5510f03ab8f5e2f2a415eb6ff3b65a

  • SHA1

    dded819073c878c657071d468f30c702f8c9f702

  • SHA256

    d9ffb413e839a66ccb01f3cfd2aad77f0dd39ad32c256810df70c399ee529f04

  • SHA512

    c19c3aecf1eba1aad9a9e9cf19590badc986942569d5075e574f9a88e91d61496066b3e2fa13502b3d0b73b0543821947d73b715850cbe26fac7bf40a1602ff0

  • SSDEEP

    1536:2MaYzMXqtGNttyeiZnZLYm12WtwXaa8NPI9j+RedcP01ic4Brg:2MaY46tGNttyeQLYm12WtwXwKRj1EBrg

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 9 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 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3428
      • C:\Users\Admin\AppData\Local\Temp\d9ffb413e839a66ccb01f3cfd2aad77f0dd39ad32c256810df70c399ee529f04.exe
        "C:\Users\Admin\AppData\Local\Temp\d9ffb413e839a66ccb01f3cfd2aad77f0dd39ad32c256810df70c399ee529f04.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2296
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3464
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3592
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8944.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3012
          • C:\Users\Admin\AppData\Local\Temp\d9ffb413e839a66ccb01f3cfd2aad77f0dd39ad32c256810df70c399ee529f04.exe
            "C:\Users\Admin\AppData\Local\Temp\d9ffb413e839a66ccb01f3cfd2aad77f0dd39ad32c256810df70c399ee529f04.exe"
            4⤵
            • Executes dropped EXE
            PID:3936
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • 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:2532
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3568
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4788
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4460
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:116

    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

      251KB

      MD5

      800a15b73ebd38e1c3fab0438e16bbfc

      SHA1

      1fe5fa583af497f1606e8acff64e7277d9156881

      SHA256

      57f0772a1df0d0082fbc97f9245d3bb36d2d3edfdb49711fa28fd724750ec42e

      SHA512

      401f7cc7e2018bb4d456f21c34c174772a7422563c4272f4b0ca6b26a362d40c7dc435251b49e701aff45251fdd7488c3d9509283f36b3c6bd2923e4dc860983

    • C:\Program Files\CloseStart.exe

      Filesize

      432KB

      MD5

      ab377eb2c6d8eb30ca9f0d79fae84eae

      SHA1

      4779f9a686b317d9037aca81a040c61a78d66b9e

      SHA256

      2233bed019ce12b6f8a7d1112c5a97b15ba206e6de812436d2428424851c0843

      SHA512

      68a6f6f99d268269bc7e9c43c6b236aa4f39234a67b16d55a01d4bc88ecca380775e6f6d81026f91bd8db54897c1f04e57304bae9ccd6ef5a11f0e462ef75646

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

      Filesize

      644KB

      MD5

      b84328b001ca8f8af6bb91f3412d6c8d

      SHA1

      4dc7c1302ec956ad23588e6e118b529a00f78bf3

      SHA256

      7c66229128ddbb08a813f4e100c4669b0c911f85b2533b5a98c5b9c3ba1382e5

      SHA512

      3873f467b402c8cb5a09cbbc595ea38c5638aa16c008d59ddbca6ba7d7eee1fa8fc84f910de61853e3d1fe74c8bc578127165c5ce3bf1582753885b2cd8e0bc7

    • C:\Users\Admin\AppData\Local\Temp\$$a8944.bat

      Filesize

      722B

      MD5

      8f031d0e6281f427d5dfba14ec2e5dc0

      SHA1

      50915c1d5db158e63435d519345e180674c0fa65

      SHA256

      081798f51756b36da29768a15d664c5412e570375ff6de3d1b2d62b9bc6e144d

      SHA512

      0c339b0c91bf5d9dbf46edce1d5529e76839ba7cb788ea17a63fa8837184b712c978511da6c15823463fd132328da8b79ba3df32049f08df876da296305ec7a3

    • C:\Users\Admin\AppData\Local\Temp\d9ffb413e839a66ccb01f3cfd2aad77f0dd39ad32c256810df70c399ee529f04.exe.exe

      Filesize

      68KB

      MD5

      48335cfbe6a9bdaa2492ca1320b70a3a

      SHA1

      6d3c3d659e3718a0b56f52c9d4386d55d7672b97

      SHA256

      4ec34f1d893e8cc02f669fb5eb329bbcc5374bd7e7284e8fd86fbc29d2ffeb4d

      SHA512

      9eaf3b380449ab1d2b4b6371336fc71f6a43eee0295de012d0859e7f3b80a87f9d8316b0e65d4ca450630ee17b95c64e79e594bfe27fb3965917b0c5bc2d1b58

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      882c518784a2516cf3382e811730a54b

      SHA1

      f005942b284152bccdaf2e9daf8dc8b7ec42ab19

      SHA256

      ed39c0d5d432a79b3535a497fdf7c83948f570ec1b744ce2c5d810ba4db5aa7f

      SHA512

      31937e85e1599160c659d430368ea36e9206bef58d98cc3642a4a8795197f7e5df96f6babbffa3d96e7b9afbb0284f03031fa6ef7361d010593df4055772093a

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-2392887640-1187051047-2909758433-1000\_desktop.ini

      Filesize

      9B

      MD5

      e02899454c67c7d6d1af854fdcb53b67

      SHA1

      26fb213f7c299c2a4d8c4afd234ee0b751d7a30e

      SHA256

      0e67e90646d3ba7b46f935b205c9f89e8bff2dca7aeda3cd5dfb93868b262315

      SHA512

      e1519bebf62ab4cb28e630a201312812e04f815ec0663f7b68b478da97c0bf7c7c2238a8632540d3d1f37acbe83919fb198b39ebeb222c19faa2130ab65ffffa

    • memory/2296-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2296-11-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2532-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2532-3401-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2532-9-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2532-8854-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB