Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2023 11:08

General

  • Target

    39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe

  • Size

    129KB

  • MD5

    585146f6181281f751ea01fb0e622c94

  • SHA1

    192a7c15248bc93434a0df30de5dcf6d168b33d1

  • SHA256

    39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6

  • SHA512

    4334acdcb925e066ee19f8b32b6a6d16085eafea49c459158be1ed452dd4b6dbfb5d71225267a90fddd6106c5b1949b6aa28642b545239ab6973c043fa7e5814

  • SSDEEP

    3072:eBftffhJCuUJq42/TsRMIakSt2sWllgnaavyuurPo:eJVfhguMqd/TsRMCi2sg23MQ

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 use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1264
      • C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe
        "C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2160
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a4AD6.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1256
          • C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe
            "C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe"
            4⤵
            • Executes dropped EXE
            PID:2528
        • 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:2040
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2796
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2872

      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

        251KB

        MD5

        c10795b833d3a0a660032627eff4cca6

        SHA1

        13b7c0a7b3dce3ddadbb7b8e73cce3ccd133f297

        SHA256

        9fa435904f4639c196ac7fb5a738683c3bb3ad4343a9a57eaf5a9831cae587e4

        SHA512

        ae49e8c640a7dcfb2ae68f3d11fe630fb95df1b7e2da86e2ffa58ce7de71d4ce897da004d6c5a92f86f4c55b93ce69b8191ab3b30bed176e3bce17403b36e044

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

        Filesize

        471KB

        MD5

        f9fc019eacb573ec828d2d9ff6a48318

        SHA1

        b91958dc8d178b6eeb35e829bab84d0fb12c2280

        SHA256

        bf9ba3df2bad76d15f4efe42c0c59f37b9454907958892df8ab996552658934e

        SHA512

        998ba7bc7cdd5df3e1acfda6f4f92ec9d27732e1e182177dff310f3c918f3be99626a3526bebdff5bb7eb980640434baf56e0f08bfd125168c0a9e37e7239305

      • C:\Users\Admin\AppData\Local\Temp\$$a4AD6.bat

        Filesize

        722B

        MD5

        69078be549583d2467e09a8e5a6a83cc

        SHA1

        f5c1edf874ddd4c2653d38ded2b8101c4f6343c2

        SHA256

        968014b3f82ade3d967dbf1a538957a158d8778843be855a5ae5e1ee5cbd37e1

        SHA512

        dc219c2e678458cd4a31a484c1dbb4c9031afbebfc8e744f7d69a82a76374e33a8ebbfcff5cafba14781d12ddf8f9459301f6e1b60ce6034da7317646d2745c4

      • C:\Users\Admin\AppData\Local\Temp\$$a4AD6.bat

        Filesize

        722B

        MD5

        69078be549583d2467e09a8e5a6a83cc

        SHA1

        f5c1edf874ddd4c2653d38ded2b8101c4f6343c2

        SHA256

        968014b3f82ade3d967dbf1a538957a158d8778843be855a5ae5e1ee5cbd37e1

        SHA512

        dc219c2e678458cd4a31a484c1dbb4c9031afbebfc8e744f7d69a82a76374e33a8ebbfcff5cafba14781d12ddf8f9459301f6e1b60ce6034da7317646d2745c4

      • C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe

        Filesize

        102KB

        MD5

        1eadbd02c1393606dc08bd49561de137

        SHA1

        468768b6df7f729ab4cf158fe86a952ad5db90c8

        SHA256

        cc01b15a2f8e92b7af43650e62a58b7b36213d533fe4d2add481869b35085f7f

        SHA512

        1804a6cd1f73ca0114a81c96af32f3776060ca9dfdbd283898de4bbc64ce142c9351355c2b9aeda01ee73a6444a1b89825ecb2f319e82837012cce1b4e7771fb

      • C:\Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe.exe

        Filesize

        102KB

        MD5

        1eadbd02c1393606dc08bd49561de137

        SHA1

        468768b6df7f729ab4cf158fe86a952ad5db90c8

        SHA256

        cc01b15a2f8e92b7af43650e62a58b7b36213d533fe4d2add481869b35085f7f

        SHA512

        1804a6cd1f73ca0114a81c96af32f3776060ca9dfdbd283898de4bbc64ce142c9351355c2b9aeda01ee73a6444a1b89825ecb2f319e82837012cce1b4e7771fb

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        7963e73ae06c842251fcf42695ae8a1d

        SHA1

        728ba0de7098ef0894de770de3a017495bd77398

        SHA256

        dc1a8a5e80ac711b36d5344111575bfd7b84b812e30d7eb3ab90a44aeeae9eb8

        SHA512

        d4b098bc93ceafed1676d9760ba64e125a90eddaed4fe9bb98faa740184041c33f3598dcb7bdfcc5475786812cb8233fc742b4757fb50021861f310cc6db69b0

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        7963e73ae06c842251fcf42695ae8a1d

        SHA1

        728ba0de7098ef0894de770de3a017495bd77398

        SHA256

        dc1a8a5e80ac711b36d5344111575bfd7b84b812e30d7eb3ab90a44aeeae9eb8

        SHA512

        d4b098bc93ceafed1676d9760ba64e125a90eddaed4fe9bb98faa740184041c33f3598dcb7bdfcc5475786812cb8233fc742b4757fb50021861f310cc6db69b0

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        7963e73ae06c842251fcf42695ae8a1d

        SHA1

        728ba0de7098ef0894de770de3a017495bd77398

        SHA256

        dc1a8a5e80ac711b36d5344111575bfd7b84b812e30d7eb3ab90a44aeeae9eb8

        SHA512

        d4b098bc93ceafed1676d9760ba64e125a90eddaed4fe9bb98faa740184041c33f3598dcb7bdfcc5475786812cb8233fc742b4757fb50021861f310cc6db69b0

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        7963e73ae06c842251fcf42695ae8a1d

        SHA1

        728ba0de7098ef0894de770de3a017495bd77398

        SHA256

        dc1a8a5e80ac711b36d5344111575bfd7b84b812e30d7eb3ab90a44aeeae9eb8

        SHA512

        d4b098bc93ceafed1676d9760ba64e125a90eddaed4fe9bb98faa740184041c33f3598dcb7bdfcc5475786812cb8233fc742b4757fb50021861f310cc6db69b0

      • F:\$RECYCLE.BIN\S-1-5-21-607259312-1573743425-2763420908-1000\_desktop.ini

        Filesize

        9B

        MD5

        03a43141897af885fcc64a27583fc743

        SHA1

        4aff71defd4db3cf0c35a21d2aeffec631855787

        SHA256

        ffdcc2d1df4bcccda5ec03dbbc90933e7ea21cfc4fb6aeb60d32b8e63be4167e

        SHA512

        2c742b215ae22c74c8af44dc77cf06cbc70c2c0cace3fb15d7f5c27ef506b304f723bdb1cb7584045ab0ea97ecddcf882208d9c5b8b48690dbcc6b987321ccbe

      • \Users\Admin\AppData\Local\Temp\39bb59ad645adcf78663eec0eee8909a0144b84a9ef44e9258fcc0cb31a8afd6.exe

        Filesize

        102KB

        MD5

        1eadbd02c1393606dc08bd49561de137

        SHA1

        468768b6df7f729ab4cf158fe86a952ad5db90c8

        SHA256

        cc01b15a2f8e92b7af43650e62a58b7b36213d533fe4d2add481869b35085f7f

        SHA512

        1804a6cd1f73ca0114a81c96af32f3776060ca9dfdbd283898de4bbc64ce142c9351355c2b9aeda01ee73a6444a1b89825ecb2f319e82837012cce1b4e7771fb

      • memory/1264-29-0x00000000025D0000-0x00000000025D1000-memory.dmp

        Filesize

        4KB

      • memory/2040-91-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-31-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-39-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-45-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-98-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-149-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-1850-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-3310-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2160-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2160-12-0x00000000002A0000-0x00000000002D4000-memory.dmp

        Filesize

        208KB

      • memory/2160-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB