Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 23:45

General

  • Target

    d479d075ea4e7bde7e322fe334a8677640ca5de55eae6be6e7178558725370b5.exe

  • Size

    43KB

  • MD5

    b3ec6ca07bc2a5f781791c3045ee4a0a

  • SHA1

    6ab0a16eb0cbb6ab49125fab0fd8b56087ee6107

  • SHA256

    d479d075ea4e7bde7e322fe334a8677640ca5de55eae6be6e7178558725370b5

  • SHA512

    66011790a42c4787eb2da2961ab859b832c9f60958832e27b19142e78efe3d2e94aa73045b6dc5b8c8afe22cd276b0428258795468ad2e75387510a4397ae343

  • SSDEEP

    768:phHv16GVRu1yK9fMnJG2V9dHS8/WQ3655Kv1X/qY1MSd:pp93SHuJV9NDHqaNrFd

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1352
      • C:\Users\Admin\AppData\Local\Temp\d479d075ea4e7bde7e322fe334a8677640ca5de55eae6be6e7178558725370b5.exe
        "C:\Users\Admin\AppData\Local\Temp\d479d075ea4e7bde7e322fe334a8677640ca5de55eae6be6e7178558725370b5.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2372
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a10.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2980
          • C:\Users\Admin\AppData\Local\Temp\d479d075ea4e7bde7e322fe334a8677640ca5de55eae6be6e7178558725370b5.exe
            "C:\Users\Admin\AppData\Local\Temp\d479d075ea4e7bde7e322fe334a8677640ca5de55eae6be6e7178558725370b5.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: GetForegroundWindowSpam
            PID:2668
        • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2976
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2116
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2600

      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

        254KB

        MD5

        a93821e61328d1457e5817e2ebd59b62

        SHA1

        60535b8ae1c0750360a6cd86443a8fcbaa1dc61b

        SHA256

        f7cbad10c3bdb1157962fc9fa7c2ee1660f89d82e0baa903a4d7314475dfc212

        SHA512

        14da8e53583cdd33c6e9b59a3110869b1d2a1b6d097e4fa692584e4a7ac76a6ed56460cc5ef95ffd8e709fca791cb0ba040dbb1217064f64bd9c20abf67a0668

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        474KB

        MD5

        de4228cb7a5a7f082477f6a504b822a7

        SHA1

        dfd84f0b6f4977bfda43b1827aa747a9a5a8a38b

        SHA256

        8c5089a062734aa1a66e70700d4f33f2f54157c4bb3ed4d6ce1a852de8b6f90b

        SHA512

        a3b64b10a22dedebfa48e7705e148d50df480fa9bb0669bc06951ab0ff5f97657f72dc8b71db610499ee38ecae9ae494265841a737806bed7c061d0b634913c8

      • C:\Users\Admin\AppData\Local\Temp\$$a10.bat

        Filesize

        720B

        MD5

        eebd831da5030ceec86d4e8428e554f7

        SHA1

        607aed93afb07acf1422beff4f1d47fbb5e37a51

        SHA256

        086fb8c8f7e9ab2a6bb889a058f40fd4ecbf96d969251147f29a06d895b575b4

        SHA512

        496da5573d7fe837318d619720b8671b66d8e577d11c82142dec8e949905e0dc81140a2e1e51fe56c35b1dad56237de2318bee8b86252a580d96010db5fa7389

      • C:\Users\Admin\AppData\Local\Temp\d479d075ea4e7bde7e322fe334a8677640ca5de55eae6be6e7178558725370b5.exe.exe

        Filesize

        14KB

        MD5

        ad782ffac62e14e2269bf1379bccbaae

        SHA1

        9539773b550e902a35764574a2be2d05bc0d8afc

        SHA256

        1c8a77db924ebeb952052334dc95add388700c02b073b07973cd8fe0a0a360b8

        SHA512

        a1e9d6316ffc55f4751090961733e98c93b2a391666ff50b50e9dea39783746e501d14127e7ee9343926976d7e3cd224f13736530354d8466ea995dab35c8dc2

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        efa1b8e122e58a40f07e63f5a644c70c

        SHA1

        90fdff8f2a9e2ebda62cccfd865e0970f9db629d

        SHA256

        f49584ffc209f455b93be597e42289952e26a11e55566dc16efd2e20732c5f94

        SHA512

        c252786d121b82af686b3e80ed5a577f455911ec67984415641f6166411b050e07bc80135de59a81ff1c0772173b705ff6f00438a935ad7f1276521325392830

      • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini

        Filesize

        9B

        MD5

        1f206a052c160fd77308863abd810887

        SHA1

        3b27ec1dc4b51fb7f1793a9ca9bb0d2e53e60eb1

        SHA256

        45129bd309ca763a88c6bf438896e82b939d6491036658c4512c57f8353938c1

        SHA512

        bd7857c146b01a49d34d4eb84053353eeb586bee6916426179305d5e2360559adea4040fe2184a3a803943ff4e6526cc38c665f9a808355619628868d53fbed5

      • memory/1352-29-0x0000000002B40000-0x0000000002B41000-memory.dmp

        Filesize

        4KB

      • memory/2372-16-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2372-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-18-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-44-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-90-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-96-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-649-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-1849-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-2291-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-38-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-3309-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2976-31-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB