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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2024, 05:08

General

  • Target

    55e029a4af7d6887c97710dd72fd928a6c857b808ac3cd7f545a8e3e9c9adcfd.exe

  • Size

    1.1MB

  • MD5

    4052774a9f7c6514ed83a76e091a9543

  • SHA1

    6013d9d0d8e048e9b8bcce58ebb4c026ba63d6d4

  • SHA256

    55e029a4af7d6887c97710dd72fd928a6c857b808ac3cd7f545a8e3e9c9adcfd

  • SHA512

    2675bd5ed1a1dd4802ced7536db854fd61e926c0701f44f8a5e6e13348fae14b18b873d021c356894cb96f990456db8e77d59ec82ae2086eedd0cb638435889a

  • SSDEEP

    24576:MbBRXT9T+w6zY8v5a2FZ7WDpk2Kvfd5nP6Wp8zrMBThYBjv:sBRZ6zY8/7WDaDvfd5iQ8zoBThojv

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3504
      • C:\Users\Admin\AppData\Local\Temp\55e029a4af7d6887c97710dd72fd928a6c857b808ac3cd7f545a8e3e9c9adcfd.exe
        "C:\Users\Admin\AppData\Local\Temp\55e029a4af7d6887c97710dd72fd928a6c857b808ac3cd7f545a8e3e9c9adcfd.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3792
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:368
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2224
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aBA86.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2936
            • C:\Users\Admin\AppData\Local\Temp\55e029a4af7d6887c97710dd72fd928a6c857b808ac3cd7f545a8e3e9c9adcfd.exe
              "C:\Users\Admin\AppData\Local\Temp\55e029a4af7d6887c97710dd72fd928a6c857b808ac3cd7f545a8e3e9c9adcfd.exe"
              4⤵
              • Executes dropped EXE
              PID:4932
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • 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:4112
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4952
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3692
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4188
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:552

          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

            257KB

            MD5

            9650ed78debcd79b8f4e5437297bbd81

            SHA1

            0087f5d3fe8221d62addade22b600824f8818421

            SHA256

            4e8693622b732fdaf953b7ca5192466ac524201740945d849bd6afd0404817e3

            SHA512

            9c66a42d83f9e132d09db322c00ca7404b6f7285f5d6cf4848aa7c1b4b82d35e8a0ad319780c38aa3f504d091b918d89a5bd683c85d24724c079ba9d2e58f658

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

            Filesize

            583KB

            MD5

            3ba4190218dc871fa2a4c0387d0d3a00

            SHA1

            a4d60147752e2d668583e2be441a228f72b80fa7

            SHA256

            2506e369572544475c9fb47de4280dcd91678c168936b1d0afebe7fd8acc0c78

            SHA512

            6142ef886894937dd7e95de25d28fc272c0fcccead142b8439958616877cd1cad9f86626ea51e7e73b6442d98f7d2006a7f5ec47bbb8a8683332f728584bc95d

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

            Filesize

            649KB

            MD5

            1ad09ab121869e9bedf81b1e82331d05

            SHA1

            21270e52207071b7d304acb7d776c9abba38c15c

            SHA256

            834cd914a6bc7c3eadf3b23bacc01433aa6a32411ab547d958604a1c434518b7

            SHA512

            4b1f28d726ec031fd0350a21ea7091087ae2688818716f7add7524fdf06a07d5937a4aa53c6029d2fab093714b1b48b8032927b56e2c207158946f6c71e6646b

          • C:\Users\Admin\AppData\Local\Temp\$$aBA86.bat

            Filesize

            722B

            MD5

            b03f3ba65ca276663a81bbb62e6e708d

            SHA1

            90863f9b190db9b4e5ca94bc2f980286a7f4ba99

            SHA256

            3c7e8267339de3112841a206dd7043d631fb096ebf0e88e85b7b528dea27a81c

            SHA512

            b01c40139cd2a7b2169c2d654e58929a18b30e45fb0c759ba7edfbb3c52134f730a69b1e859334a922e0ae06b9a238c6a20ec8cb28c41b12f76aad730cb49f33

          • C:\Users\Admin\AppData\Local\Temp\55e029a4af7d6887c97710dd72fd928a6c857b808ac3cd7f545a8e3e9c9adcfd.exe.exe

            Filesize

            1.1MB

            MD5

            f012ebe3b9f0c4d18b43076b68295667

            SHA1

            27ce582d305bf5ec574fd7edf39e1300783e9323

            SHA256

            bdff5163ff3787a7a8b6bb3f688e877c5fa10db2ad535bb9765c91e976fbcafe

            SHA512

            06ce3eceb42ca555511f55e85fe79441a4a8c70ad32c36a045560cb8449e44f08bcd9e938e9a11a0360c7363ba2fff4dd92b1a300e21e214a6d273009d8c2463

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            dd45e175b084f3e7b3923cb8fcb3833b

            SHA1

            e44896aa2e3e4a8ba6677fd10c4eac8315b3939c

            SHA256

            cff2b960d67366aedaec8aaa4388a3537000a7253a3eeef378d24e1a171a4f13

            SHA512

            562284581292c3965df7e1f95bcffa2047d9a9e42e863e32b9cfc7b289270db24ca1ecb004f26d499d9901c49c11844cf3868b93b4b704f30a98ba4b52824fba

          • F:\$RECYCLE.BIN\S-1-5-21-1705699165-553239100-4129523827-1000\_desktop.ini

            Filesize

            9B

            MD5

            1368e4d784ef82633de86fa6bc6e37f9

            SHA1

            77c7384e886b27647bb4f2fd364e7947e7b6abc6

            SHA256

            57507bed6cf91d70e66bd4cc287634889ef30b648cb7c44a4edec0e2cb68b772

            SHA512

            3cb7168e776eb564768e30eba43174014a85108ab306a7c07a1522fb42173c381a5bff9ac10944fd345dd5308061cbe2878c60d1e878f8768281c1adcf5dd85b

          • memory/3792-9-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3792-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4112-21-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4112-5211-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4112-11-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4112-8893-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB