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
    13/09/2024, 22:02

General

  • Target

    fb17571ebd54010b5449a86d1946c6e8d15a2ceacd0b90b17548116a6f60cd7f.exe

  • Size

    27KB

  • MD5

    3bef880e03d2b1c8f6fc24362d07b4be

  • SHA1

    ae621aeb03296a07404744121f4ef77da1223b1a

  • SHA256

    fb17571ebd54010b5449a86d1946c6e8d15a2ceacd0b90b17548116a6f60cd7f

  • SHA512

    8ff63310d477391c053ab04472d80e87a8e5bf62fd3ceef41e5718f25b9304f92ceab89d2ad2054579a1b8778592520697532e12d56593a251007a45e3fd4655

  • SSDEEP

    384:MM/D1Gt5M0zhIV/DZ3KZp7JcTO4yf9KFL/KaUUqd3qR+FlYTj9QTN0wpD9p5Cs:PD16GVRu1yK9fMFLKaTxsujCT7pZpY

Score
6/10

Malware Config

Signatures

  • 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 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3400
      • C:\Users\Admin\AppData\Local\Temp\fb17571ebd54010b5449a86d1946c6e8d15a2ceacd0b90b17548116a6f60cd7f.exe
        "C:\Users\Admin\AppData\Local\Temp\fb17571ebd54010b5449a86d1946c6e8d15a2ceacd0b90b17548116a6f60cd7f.exe"
        2⤵
        • 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:3428
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1840
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4736

    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

            244KB

            MD5

            7f6aa516b8cecf1c84da331cd1b09bc3

            SHA1

            9a8caecef817ca10437f9da1d3a06235a49bf655

            SHA256

            2b29229026e08dfb0cce169db3aab96b9af78b53307c576eb8fce0d73aeb9c1e

            SHA512

            eb32c070adf8663b288f042717c28d3c7763d7bf4d368446d4d2df695d805fec4227edf23b338f3913fe34684ba6e49a3ce74610c07ecd73be27581d55e9c871

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

            Filesize

            170KB

            MD5

            cd5ee57c84812161496c497d451596fe

            SHA1

            6a8262ee3fb15882032407cf953e9186e0d0d5e2

            SHA256

            ed2627189ed5debff731df4b134ac21ea51be986b3a696a323a25e0b3264af20

            SHA512

            14289ad458d79ade088e938c2f716f95949fc7c1c16c2aaabf32a42168b4f9c755f96201a76e55a6a026cd5701d652057b1a9881127b8787b6c5f8a7dde9fa5c

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

            Filesize

            637KB

            MD5

            9cba1e86016b20490fff38fb45ff4963

            SHA1

            378720d36869d50d06e9ffeef87488fbc2a8c8f7

            SHA256

            a22e6d0f5c7d44fefc2204e0f7c7b048e1684f6cf249ba98c006bbf791c22d19

            SHA512

            2f3737d29ea3925d10ea5c717786425f6434be732974586328f03691a35cd1539828e3301685749e5c4135b8094f15b87fb9659915de63678a25749e2f8f5765

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

            Filesize

            9B

            MD5

            475984718232cf008bb73666d834f1f4

            SHA1

            12f23c9301c222f599a279e02a811d274d0f4abc

            SHA256

            a5b32591119f87eb3c8a00c0c39e26ea6d6414aa9887d85fcb4903e1c14921b5

            SHA512

            80235dc2560b7991d79f9550cdeca6ac02c00cee6bf186f8f20d4ff3fbd7718be937b73ab768d71c4027e153557b08bbfd95ea88d2e0857a7c70cf1da6fa9937

          • memory/3428-13-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/3428-18-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/3428-22-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/3428-0-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/3428-428-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/3428-1219-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/3428-5-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/3428-4777-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/3428-5222-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB