Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 20:30

General

  • Target

    6f2f3351e5a9f8113f36db38b56318faa848defdf733948cc636e18c0cefc06a.exe

  • Size

    33KB

  • MD5

    522328a63deefd58df4a5c342b18d3a3

  • SHA1

    0574e197a7f9c3c4314c86604ff9247f85718a1d

  • SHA256

    6f2f3351e5a9f8113f36db38b56318faa848defdf733948cc636e18c0cefc06a

  • SHA512

    30dddf759bc229be19068fdc916388d2e96568edec6e67f1ed767562498831707dbcd114fca750da6bf8ab7eaba10b8b92707c6a6cad622c99756ca1b48c9145

  • SSDEEP

    768:mYBPLQh+Vxr1x5cE9Fl5pz8UOutDlMXaoSunjXWNN:/Bqsrz8VuJlMXaDuiN

Score
7/10

Malware Config

Signatures

  • Drops startup file 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 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\6f2f3351e5a9f8113f36db38b56318faa848defdf733948cc636e18c0cefc06a.exe
        "C:\Users\Admin\AppData\Local\Temp\6f2f3351e5a9f8113f36db38b56318faa848defdf733948cc636e18c0cefc06a.exe"
        2⤵
        • Drops startup file
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3116
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4508
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:784
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:1348

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

          Filesize

          258KB

          MD5

          2e2680954b6907c2c067b143837bdb5c

          SHA1

          a8d99eb46a787e24b4b530be0e4c1a9756e48bbb

          SHA256

          708b327ea58dd84066404b37641d892bfa4593ba408651d947a8ad4406b635a6

          SHA512

          82563536b862cc901478c0d22c0783622b74d7cae8f0763dd1b9eb0b62713929bad122b88403283ffbab0194f55ba655e84ed800ce80f5945135538c1a59de7e

        • C:\Program Files\dotnet\dotnet.exe

          Filesize

          177KB

          MD5

          f07a8d027396e979d58e0bee9a20ad91

          SHA1

          f7c6ac8461581054c8563097f3d429b263f27a01

          SHA256

          044f73f22099c746c920850a427ea0941cc52c6681b864ddd93a7dfff22723a5

          SHA512

          b8eeb44f93ee4ba2fe7e3839bfb42ed7aaace6fee37c725869e058eb7622bcd511cbc816ecc1649f627ebbf906d2510400b373313aa41c9ffb4f5ba2f43c352b

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

          Filesize

          644KB

          MD5

          11e0853d537d2721ecc655c1fc527e91

          SHA1

          c8e23d103e93073ba7c93374878ae9a9f926c944

          SHA256

          f168cda7cfa0f4f1d8dc26f615772410afe41b43fbc3da3cfe2c249b1eadca30

          SHA512

          3e5af85789e480d355053e9ded02108ae53136aec795d5d37faf1d5426275f7f3729e5583b0a95b3434d5b4452c7382405c0f8bc94e8a65275335c62268e0ee2

        • F:\$RECYCLE.BIN\S-1-5-21-1162180587-977231257-2194346871-1000\_desktop.ini

          Filesize

          9B

          MD5

          0e9e05c07df1bfb27555d84deb706050

          SHA1

          48ebafcf728d66a097bc66ad41b73d7a757c1a0c

          SHA256

          8f1b205bcc3039e60fbcea0063608e012fd662abb41bba5469d530e2c305174d

          SHA512

          d88c9a9bdf6f386278ba86cf3523334eeb5e9efefa9776bc92bdffa41f0c4937e64a7b5f3821b324e13372fa662aa4fb028676f7ed0a73c989edabd490bd05f5

        • memory/1700-0-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1700-3-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1700-2821-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1700-8691-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB